General Disclaimer:   (HV) (DC) injury or death hazard,   use at your own risk,   may void warranty.

Difference between revisions of "PriusPlus-Electrical"

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(→‎Parts Needed: added heaters)
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[[Image:EAA-PHEV-PRIUS-HighPowerSchematic.png|thumb|These are the high power schematics from the latest [[PriusPlus]] conversion.]]
 
[[Image:EAA-PHEV-PRIUS-HighPowerSchematic.png|thumb|These are the high power schematics from the latest [[PriusPlus]] conversion.]]
  
 
+
Intro Paragraph here maybe with a link to the main [[PriusPlus]] article, links to external sites can appear as formatted [http://www.calcars.org CalCars], just plain URLs like http://www.calcars.org, or fancy references such as that in the next paragraph.
 
 
 
 
Intro Paragraph here maybe with a link to the main [[PriusPlus]] article, links to external sites can appear as formatted [http://www.calcars.com CalCars], just plain URLs like http://www.calcars.com, or fancy references such as that in the next paragraph.
 
  
 
Another Paragraph and such, you can get help at our [[Help:Contents#How do I use the Wiki Website]] page <ref>http://en.wikipedia.org/wiki/Help:Contents more help using the wiki.</ref>  Feel free to simply remove or if you like move all of this example text to the pages discussion article.
 
Another Paragraph and such, you can get help at our [[Help:Contents#How do I use the Wiki Website]] page <ref>http://en.wikipedia.org/wiki/Help:Contents more help using the wiki.</ref>  Feel free to simply remove or if you like move all of this example text to the pages discussion article.
  
==Electrical Parts List and Descriptions==
+
=Electronics Tray=
 
 
*Wire/cable construction
 
*Part list with photos [[Image:P10385.JPG|50px]] We need to cut down picture to make smaller and add contrasting labels with pointers that show up well to identify parts.
 
**ABS Plastic (1/4 inch thick for bottom of tray, 1/8 for back of tray, need to enter sizes)
 
**Shunt (1) (required for Amp-hr meter)
 
**Diode(1)
 
**Heat sink for Diode (1)
 
**Outlets w/ relay and GFCI
 
**Heating pads
 
**Cord reel
 
*Routing
 
*Connections
 
 
 
===Electronics Tray===
 
  
====Parts Needed====
+
==Parts Needed==
Warning:  This list is a very much a work-in-progress!
+
Warning:  This list is a very much a work-in-progress!
  
 
DigiKey parts can be found [http://sales.digikey.com/scripts/ru.dll?action=pb_view&pb_glue=1014150 here].
 
DigiKey parts can be found [http://sales.digikey.com/scripts/ru.dll?action=pb_view&pb_glue=1014150 here].
 +
Mating connectors can be found [http://sales.digikey.com/scripts/ru.dll?action=pb_view&pb_glue=1014585 here].
  
 
Non-DigiKey Parts
 
Non-DigiKey Parts
Line 38: Line 19:
 
| Photo || Qty || Description || Manufacture || Model # || Est. Cost
 
| Photo || Qty || Description || Manufacture || Model # || Est. Cost
 
|-
 
|-
| [[Image:EV200 Contactor.JPG|50px]] || 2 || Contactor || Kilovac || EV200-AAANA || $100-120/ea
+
| [[Image:EV200 Contactor.JPG|50px]] || 2 || Contactor || Kilovac || EV200-AAANA || $85-120/ea
 
|-
 
|-
 
| [[Image:JTN60060 Fuse Holder.JPG|50px]] || 2 || Finger safe fuse holder || Bussman || JT60060 || $28/ea
 
| [[Image:JTN60060 Fuse Holder.JPG|50px]] || 2 || Finger safe fuse holder || Bussman || JT60060 || $28/ea
Line 44: Line 25:
 
| [[Image:LPJ-60SP.JPG|50px]] || 2 || 60 amp 300 VDC fuse || Bussman || LPJ-60SP || $22/ea
 
| [[Image:LPJ-60SP.JPG|50px]] || 2 || 60 amp 300 VDC fuse || Bussman || LPJ-60SP || $22/ea
 
|-
 
|-
| || 4 || Black 75 amp connector housings || Anderson || PP75 || ~$2.00/ea
+
| [[Image:PP75 Connectors.jpg|50px]] || 4 || Black 75 amp connector housings || Anderson || PP75 || ~$2.00/ea
 
|-
 
|-
| || 4 || Red 75 amp connector housings || Anderson || PP75 || ~$2.00/ea
+
| [[Image:PP75 Connectors.jpg|50px]] || 4 || Red 75 amp connector housings || Anderson || PP75 || ~$2.00/ea
 
|-
 
|-
| || 8+ || 8AWG crimps for PP75 || Anderson || PP75 || $/ea
+
| [[Image:PP75 Connectors.jpg|50px]] || 8+ || 8AWG crimps for PP75 || Anderson || PP75 || $/ea
 
|-
 
|-
 
| || 6 || Red 15 amp connector housings || Anderson || PP15 || $/ea
 
| || 6 || Red 15 amp connector housings || Anderson || PP15 || $/ea
Line 62: Line 43:
 
| || 22+ || ? AWG crimps for PP15 || Anderson || PP15 || $/ea
 
| || 22+ || ? AWG crimps for PP15 || Anderson || PP15 || $/ea
 
|-
 
|-
| || 3 || 12v Fans || || || $1-5/ea
+
| || 3 || 12v Fans 120mm (>100CFM airflow) || || || $10-15/ea
|-
 
| || 1 || 3 amp 14 volt isolated power supply || || ||
 
|-
 
| || 3 || 12x15 50 watt heating pads || || $15-20/ea ||
 
 
|-
 
|-
 
|}
 
|}
  
===Electrical Final Placement and Connections===
+
DigiKey Parts List
 +
{{EAA-PHEV-PRIUS-HVPartsList}}
 +
 
 +
==Sub Parts==
 +
===Diode===
 +
The diode must be firmly and correctly mounted to the heatsink.  The diode has a 1/4" stud which passes through the heatsink but does not touch the heatsink.  A shoulder or insulating nylon tube must be placed over the stud where the diode passes through the heatsink.  This is important so the diode does not electrically make contact with the heatsink.  Additionally, 2 electrically insulating, but thermally conductive pads (or mica) must be used on both sides of the heatsink to prevent the diode from making contact on either side of the heatsink.  See photos below for how to mount the diode:
 +
 
 +
====Photos====
 +
<gallery>
 +
Image:DO-5 Diode.jpg|The DO-5 Diode as it arrives from DigiKey
 +
Image:Nylon Spacer.jpg|The nylon spacer shown next to what it was made from
 +
Image:Heatsink with Hole.jpg|The heatsink with a hole drilled for the spacer
 +
Image:Heatsink with Hole and Spacer.jpg|Nylon spacer inserted into the hole in the heatsink
 +
Image:Diode Mounted on Heatsink - Rear.jpg|Back side - Diode mounted on heatsink
 +
Image:Diode_Mounted_on_Heatsink_-_Front.jpg|Front side - Diode mounted on heatsink
 +
</gallery>
 +
 
 +
===Snubbers===
 +
Solder together one lead of the .47uF, 500V capacitor and one lead of the 22 ohm 1 watt resistor.  Put heat shrink tubing around the other 2 leads and crimp on ring terminals and solder the crimps to the leads for a better connection.  The snubbers are then placed across the two contactors.
 +
 
 +
===Low Voltage Interconnects===
 +
A list of helpful Molex connector tools on DigiKey can be found [http://sales.digikey.com/scripts/ru.dll?action=pb_view&pb_glue=1014151 here].
 +
 
 +
'''Todo'''
 +
 
 +
=Outlets and Power Supply=
 +
 
 +
 
 +
=Final Connections=
 +
==Heating Pads==
 +
3 12x15 50 watt heating pads $15-20/ea
 +
 
 +
==Connecting the PbA batteries==
 +
 
 +
===Parts Needed===
 +
* Qty 50 8 AWG crimp on 1/4"(<- check this) ring terminals (probably wise to get a few extra!)
 +
* 8 AWG wire (list total length used here.)
 +
* Orange electrical tape
 +
* 20x BB Battery EVP20-12B 12volt 20ah SLA AGM batteries (2 spares recommended.)
 +
 
 +
===Assembly Steps===
 +
 
 +
==Tapping into OEM Battery==
 +
{{Disclaimer}}
 +
 
 +
This step '''MUST''' be performed by someone qualified to work on high voltage systems.  Rated rubber electricians gloves should be used for working on the inside of the battery.  Please fully read the Safety section before before attempting anything.  Lethal voltages are present.  Hire a qualified professional for this portion.
 +
 
 +
'''This section is not finished'''
 +
 
 +
Tools needed
 +
* Voltmeter (capable of at least 300 volts DC)
 +
* Ratchet
 +
 
 +
Parts needed
 +
* 3 #6 AWG ring terminal crimps (an extra is good)
 +
* 2 #8 AWG ring terminal crimps (extras are good)
 +
* small 1 foot section of 6 AWG wire (with insulation rated 600v or higher, preferably THHN)
 +
* non-conductive rubber cap
 +
* electrical tape
 +
* several feet of #8 AWG wire with insulation rated 600v or higher
 +
* optional: 3/8" flex tubing
 +
* optional: other flexible conduit
 +
 
 +
# Before attempting to open the OEM battery, the orange service disconnect '''MUST''' be fully removed from the OEM battery.  To do this, lift up on the orange ring.  Once it pops up, push the top part out, away from the battery.  This will remove the service disconnect from the battery.  Do not re-install the service disconnect until the OEM battery has been closed up.  '''BE AWARE, THERE ARE STILL HIGH, LETHAL VOLTAGES INSIDE THE BATTERY EVEN THOUGH THE DISCONNECT HAS BEEN REMOVED!'''
 +
# Take off the support holding the OEM battery in place.  The bolts are found on the driver's side wheel well, on the OEM battery and behind the driver's side rear seat top (the seat top must be removed, see above for information on removing the seat back.)
 +
# Carefully remove the bolts holding the cover on the driver's side of the OEM battery.  The 2 bolts will need to be removed from where the orange cables come out of the battery to remove the cover.  '''DO NOT TOUCH ANYTHING INSIDE'''
 +
# Once opened, just beyond where the two orange wires enter the OEM battery there are 2 contactors with 2 white plastic shields on top.  '''NEVER TOUCH THE TWO TERMINALS AT THE SAME TIME''' Using rated, insulated electrician's rubber gloves remove one of the white plastic pieces by lifting straight up.  Using a voltmeter, test the DC voltage between the contactor terminal and ground.  If voltage is present (often > 100 volts DC) keep the multimeter on the terminal until the voltage decreases to below 1 volt.  '''After''' that has been done on one, remove the other white plastic piece and repeat for the other side.  Then check the voltage between all of the contactor terminals (all 4) to ensure they are zero.  '''This step must be repeated any time the orange service plug has been inserted into the battery to ensure safety.
 +
# Disconnect the negative wire coming from the OEM battery from the contactor.  It is the one fed through the hall effect sensor (see photo.)  The wire must be removed from the hall effect sensor.
 +
# Take the piece of 6AWG wire with a 6AWG ring connector firmly attached at both ends and feed it through the hall effect sensor and connect it to the contactor where you just removed the OEM negative battery wire.  It is very important that this is tight and makes good contact.
 +
# Feed in the new #8 AWG wire from the electronics tray through the opening where the 2 orange wires come through.  Attach a #8 AWG ring connector to the wire.  It is very important that this is tight and makes good contact.
 +
# Bolt the #6 wire from the negative contactor, the negative wire from the OEM battery and the negative #8 AWG (black) wire from the electronics tray together as shown using a lockwasher (see photo.)  It is very important that this is tight and makes good contact.
 +
# Then wrap tightly with electrical tape (preferably orange), so that the entire assembly is covered with several layers of tape.
 +
# Place a rubber cap on the top and wrap the rubber assembly in tape and attach firmly to the rest of the wire.
 +
# Next, crimp on a #8 AWG ring terminal to the #8 Red wire coming from the electronics tray.
 +
# Remove the bolt on the positive contactor's terminal and add the #8 AWG wire as shown (see photo.)  It is very important that this is tight and makes good contact.
 +
# Replace the white insulators that came off the top of the contactors
 +
# Route the wire in the same way as the black wire out area where the 2 orange wires run
 +
# Make sure there is a little slack wire inside the OEM battery.  Then, optionally wrap the 3/8" flex tubing around the 2 new wires to the electronics tray and wrap them in orange electrical tape (orange is keeping in standard for high voltage wiring in hybrids.)
 +
 
  
====Connecting the batteries====
+
<gallery>
 +
Image:OEM_battery_exposed.jpg|The OEM battery with the support bracket removed
 +
Image:Opening_OEM_battery.jpg|Removing the OEM battery lid
 +
Image:Inside_OEM_battery_after_tie_in.jpg|After the OEM battery tie in is done
 +
Image:Inside_OEM_battery_from_back_of_car.jpg|Shows the 2 white insulators on the contactors
 +
</gallery>
  
=====Warning & Tips=====
+
==Safety Warning & Tips==
 
Batteries can be dangerous and can cause serious injury or death and should only be worked on by persons qualified to do so.  Both energy hazards from arcs (shorts) and electrical shock can cause serious injury or be fatal with a battery pack of this size.  Battery packs are always live and cannot be shut off!  The following are safety tips to help prevent arcs and shocks, but they are only tips and should not be taken as a go-ahead to perform work on battery packs.  Extreme caution must be taken as it is very easy to accidentally set something on the battery without thinking or drop something and cause a shock or arc.  Hire a qualified electrician to help for this part if there is any doubt.
 
Batteries can be dangerous and can cause serious injury or death and should only be worked on by persons qualified to do so.  Both energy hazards from arcs (shorts) and electrical shock can cause serious injury or be fatal with a battery pack of this size.  Battery packs are always live and cannot be shut off!  The following are safety tips to help prevent arcs and shocks, but they are only tips and should not be taken as a go-ahead to perform work on battery packs.  Extreme caution must be taken as it is very easy to accidentally set something on the battery without thinking or drop something and cause a shock or arc.  Hire a qualified electrician to help for this part if there is any doubt.
  
Line 88: Line 148:
 
* Orient batteries in the tray to avoid terminal contact with any bolts or any metal pieces.
 
* Orient batteries in the tray to avoid terminal contact with any bolts or any metal pieces.
  
=====Parts Needed=====
 
* Qty 50 8 AWG crimp on 1/4"(<- check this) ring terminals (probably wise to get a few extra!)
 
* 8 AWG wire (list total length used here.)
 
* Orange electrical tape
 
  
=====Assembly Steps=====
+
{{Disclaimer}}
  
==References==
+
=References=
 
<references/>
 
<references/>
 +
 +
[[Category:PHEV]]
 +
[[Category:Prius]]
 +
[[Category:PriusPlus]]
 +
[[Category:CalCars]]

Latest revision as of 12:18, 14 June 2020

Click show for a short list of the current PHEV conversion and kit options for the Toyota Prius.

For Prius conversion details see the Prius PHEV article and comparisons table.

  1. Ron's Original PriusPlus History and current Contactor Based PriusPlus documentation for DIY projects.
  2. Ryan's PriusBlue is the testbed for DC-DC PFC Based PiPrius kits and documentation for DIY projects.
  3. Toyota OEM Prius PHEV and Prime Could use some work on this page
  4. Enginer China. But the rest of these appear to all be defunct as of 2020?
  5. |~- Hybrids-Plus USA/Colorado/Li -~|~- EnergyCS USA -~|~- Hymotion USA/Canada -~|~- Amberjac UK. -~|~- EDrive USA -~| Peter mentioned Plug-In Conversions |~-

--={ Project Overview }={ 2007 Maker Faire }={ Theory }={ Instructions }={ Parts List }={ RawData }={ Latest News }=--
--={ Doc Process }={ Mechanical }={ Electrical }={ Electronic }={ Interest }={ Talk:PriusPlus Main Discussion }=--

--={ Historic }={ Battery }={ Schematics }={ PseudoCode }={ Photos }=--

Team Photo from the PriusPlus conversion of Sven's Prius from Nov 2006.

This is the home of the PRIUS+ PHEV DIY (Do-it-Yourself) documentation. These pages are currently anonymously editable, which may change in the future. Please feel free to use the Discussion page for general discussion and commentary on the main article. If you would like to add to an existing section use the "edit" link near that topic's heading. Don't forget to use the Summary field to describe your changes. While editing use the "Show Preview" button to make sure your changes look like you expect them to, before you click "Save Page".


These are the high power schematics from the latest PriusPlus conversion.

Intro Paragraph here maybe with a link to the main PriusPlus article, links to external sites can appear as formatted CalCars, just plain URLs like http://www.calcars.org, or fancy references such as that in the next paragraph.

Another Paragraph and such, you can get help at our Help:Contents#How do I use the Wiki Website page <ref>http://en.wikipedia.org/wiki/Help:Contents more help using the wiki.</ref> Feel free to simply remove or if you like move all of this example text to the pages discussion article.

Electronics Tray

Parts Needed

Warning: This list is a very much a work-in-progress!

DigiKey parts can be found here. Mating connectors can be found here.

Non-DigiKey Parts

Photo Qty Description Manufacture Model # Est. Cost
EV200 Contactor.JPG 2 Contactor Kilovac EV200-AAANA $85-120/ea
JTN60060 Fuse Holder.JPG 2 Finger safe fuse holder Bussman JT60060 $28/ea
LPJ-60SP.JPG 2 60 amp 300 VDC fuse Bussman LPJ-60SP $22/ea
PP75 Connectors.jpg 4 Black 75 amp connector housings Anderson PP75 ~$2.00/ea
PP75 Connectors.jpg 4 Red 75 amp connector housings Anderson PP75 ~$2.00/ea
PP75 Connectors.jpg 8+ 8AWG crimps for PP75 Anderson PP75 $/ea
6 Red 15 amp connector housings Anderson PP15 $/ea
6 Black 15 amp connector housings Anderson PP15 $/ea
6 Green 15 amp connector housings Anderson PP15 $/ea
2 White 15 amp connector housings Anderson PP15 $/ea
2 Yellow 15 amp connector housings Anderson PP15 $/ea
22+ ? AWG crimps for PP15 Anderson PP15 $/ea
3 12v Fans 120mm (>100CFM airflow) $10-15/ea

DigiKey Parts List

Parts list for High Power Schematic

Download the Digikey HV parts list Media:EAA-PHEV-PRIUS-HVPartsList.zip (Excel spreadsheet)


Sub Parts

Diode

The diode must be firmly and correctly mounted to the heatsink. The diode has a 1/4" stud which passes through the heatsink but does not touch the heatsink. A shoulder or insulating nylon tube must be placed over the stud where the diode passes through the heatsink. This is important so the diode does not electrically make contact with the heatsink. Additionally, 2 electrically insulating, but thermally conductive pads (or mica) must be used on both sides of the heatsink to prevent the diode from making contact on either side of the heatsink. See photos below for how to mount the diode:

Photos

Snubbers

Solder together one lead of the .47uF, 500V capacitor and one lead of the 22 ohm 1 watt resistor. Put heat shrink tubing around the other 2 leads and crimp on ring terminals and solder the crimps to the leads for a better connection. The snubbers are then placed across the two contactors.

Low Voltage Interconnects

A list of helpful Molex connector tools on DigiKey can be found here.

Todo

Outlets and Power Supply

Final Connections

Heating Pads

3 12x15 50 watt heating pads $15-20/ea

Connecting the PbA batteries

Parts Needed

  • Qty 50 8 AWG crimp on 1/4"(<- check this) ring terminals (probably wise to get a few extra!)
  • 8 AWG wire (list total length used here.)
  • Orange electrical tape
  • 20x BB Battery EVP20-12B 12volt 20ah SLA AGM batteries (2 spares recommended.)

Assembly Steps

Tapping into OEM Battery

General Disclaimer:   (HV) (DC) injury or death hazard,   use at your own risk,   may void warranty.

HV (High Voltage) DC (Direct Current) Warning: Traction Battery Packs, Motors, Chargers, and other HV sources could cause serious injury or death if proper precautions are not taken while working on or around such High Voltage Direct Current sources.

Use this information at your own risk: There is no warranty expressed nor implied and we are not liable for any of your past, present, nor future actions. Even should you perform these modifications to the letter you could still damage any number of components in your vehicle causing it to no longer function. Even if it appears to function properly your actions may cause it to self destruct with collateral damage to surrounding properties other than your vehicle. By utilizing these ideas and instructions in an attempting to enhance national security, reduce gas consumption, vehicle "emissions", your carbon footprint, or smog, you do so at your own risk & peril.

Warranty: In performing some of these modifications you may void your warranty with the vehicles manufacturer.

See also our My wiki:General disclaimer

This step MUST be performed by someone qualified to work on high voltage systems. Rated rubber electricians gloves should be used for working on the inside of the battery. Please fully read the Safety section before before attempting anything. Lethal voltages are present. Hire a qualified professional for this portion.

This section is not finished

Tools needed

  • Voltmeter (capable of at least 300 volts DC)
  • Ratchet

Parts needed

  • 3 #6 AWG ring terminal crimps (an extra is good)
  • 2 #8 AWG ring terminal crimps (extras are good)
  • small 1 foot section of 6 AWG wire (with insulation rated 600v or higher, preferably THHN)
  • non-conductive rubber cap
  • electrical tape
  • several feet of #8 AWG wire with insulation rated 600v or higher
  • optional: 3/8" flex tubing
  • optional: other flexible conduit
  1. Before attempting to open the OEM battery, the orange service disconnect MUST be fully removed from the OEM battery. To do this, lift up on the orange ring. Once it pops up, push the top part out, away from the battery. This will remove the service disconnect from the battery. Do not re-install the service disconnect until the OEM battery has been closed up. BE AWARE, THERE ARE STILL HIGH, LETHAL VOLTAGES INSIDE THE BATTERY EVEN THOUGH THE DISCONNECT HAS BEEN REMOVED!
  2. Take off the support holding the OEM battery in place. The bolts are found on the driver's side wheel well, on the OEM battery and behind the driver's side rear seat top (the seat top must be removed, see above for information on removing the seat back.)
  3. Carefully remove the bolts holding the cover on the driver's side of the OEM battery. The 2 bolts will need to be removed from where the orange cables come out of the battery to remove the cover. DO NOT TOUCH ANYTHING INSIDE
  4. Once opened, just beyond where the two orange wires enter the OEM battery there are 2 contactors with 2 white plastic shields on top. NEVER TOUCH THE TWO TERMINALS AT THE SAME TIME Using rated, insulated electrician's rubber gloves remove one of the white plastic pieces by lifting straight up. Using a voltmeter, test the DC voltage between the contactor terminal and ground. If voltage is present (often > 100 volts DC) keep the multimeter on the terminal until the voltage decreases to below 1 volt. After that has been done on one, remove the other white plastic piece and repeat for the other side. Then check the voltage between all of the contactor terminals (all 4) to ensure they are zero. This step must be repeated any time the orange service plug has been inserted into the battery to ensure safety.
  5. Disconnect the negative wire coming from the OEM battery from the contactor. It is the one fed through the hall effect sensor (see photo.) The wire must be removed from the hall effect sensor.
  6. Take the piece of 6AWG wire with a 6AWG ring connector firmly attached at both ends and feed it through the hall effect sensor and connect it to the contactor where you just removed the OEM negative battery wire. It is very important that this is tight and makes good contact.
  7. Feed in the new #8 AWG wire from the electronics tray through the opening where the 2 orange wires come through. Attach a #8 AWG ring connector to the wire. It is very important that this is tight and makes good contact.
  8. Bolt the #6 wire from the negative contactor, the negative wire from the OEM battery and the negative #8 AWG (black) wire from the electronics tray together as shown using a lockwasher (see photo.) It is very important that this is tight and makes good contact.
  9. Then wrap tightly with electrical tape (preferably orange), so that the entire assembly is covered with several layers of tape.
  10. Place a rubber cap on the top and wrap the rubber assembly in tape and attach firmly to the rest of the wire.
  11. Next, crimp on a #8 AWG ring terminal to the #8 Red wire coming from the electronics tray.
  12. Remove the bolt on the positive contactor's terminal and add the #8 AWG wire as shown (see photo.) It is very important that this is tight and makes good contact.
  13. Replace the white insulators that came off the top of the contactors
  14. Route the wire in the same way as the black wire out area where the 2 orange wires run
  15. Make sure there is a little slack wire inside the OEM battery. Then, optionally wrap the 3/8" flex tubing around the 2 new wires to the electronics tray and wrap them in orange electrical tape (orange is keeping in standard for high voltage wiring in hybrids.)


Safety Warning & Tips

Batteries can be dangerous and can cause serious injury or death and should only be worked on by persons qualified to do so. Both energy hazards from arcs (shorts) and electrical shock can cause serious injury or be fatal with a battery pack of this size. Battery packs are always live and cannot be shut off! The following are safety tips to help prevent arcs and shocks, but they are only tips and should not be taken as a go-ahead to perform work on battery packs. Extreme caution must be taken as it is very easy to accidentally set something on the battery without thinking or drop something and cause a shock or arc. Hire a qualified electrician to help for this part if there is any doubt.

  • Remove all jewelry, especially gold, before working with batteries.
  • Do not allow metal to come into contact with the batteries that could cause an arc (best practice is to not allow any metal near the battery at all.
  • Use only fully insulated tools around batteries, especially in tight spaces (available in the electrical department in most hardware stores.)
  • When wiring batteries, be sure the other end of the wire will not accidentally come into contact with any other part of the battery or metal frames. Taping or otherwise protecting the ends of wires is recommended.
  • Wear rated rubber electricians gloves and outer protective gloves. Electricians gloves are not fail-proof and every effort should be made to only touch insulated tools even when wearing gloves.
  • If electrician gloves aren't used, only one hand should be used so that a shock will not pass current through the heart.
  • Always wear gloves when working on batteries (preferably rubber.)
  • Install the jumpers in 48 volt sections and then connect those smaller sections together at the very end. This way voltages higher than 48 volts are only handled when installing 4 jumpers instead of 16.
  • Even though the batteries are sealed, it is still possible for them to leak and splatter acid, especially if they are just charged, heated or an arc occurs. If a leak occurs, use baking soda to neutralize the acid and properly dispose. Eye protection is a good idea.
  • Orient batteries in the tray to avoid terminal contact with any bolts or any metal pieces.


General Disclaimer:   (HV) (DC) injury or death hazard,   use at your own risk,   may void warranty.

HV (High Voltage) DC (Direct Current) Warning: Traction Battery Packs, Motors, Chargers, and other HV sources could cause serious injury or death if proper precautions are not taken while working on or around such High Voltage Direct Current sources.

Use this information at your own risk: There is no warranty expressed nor implied and we are not liable for any of your past, present, nor future actions. Even should you perform these modifications to the letter you could still damage any number of components in your vehicle causing it to no longer function. Even if it appears to function properly your actions may cause it to self destruct with collateral damage to surrounding properties other than your vehicle. By utilizing these ideas and instructions in an attempting to enhance national security, reduce gas consumption, vehicle "emissions", your carbon footprint, or smog, you do so at your own risk & peril.

Warranty: In performing some of these modifications you may void your warranty with the vehicles manufacturer.

See also our My wiki:General disclaimer

References

<references/>