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Nissan Leaf 2011 SL

Plan to Buy + Upgrade the battery on a Nissan LeafUpdated 1 year ago
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Standard Modules (first Generation)::

  • 33.1 Ah 500Wh
  • 4 cells (2 in-series, 2 in-parallel).
  • 3.96Volts per Half of Pack (2 in series)
  • 303 x 223 x 35mm (11.9" x 8.7" x 1.3")
  • Mass 8.4 lbs (3.8 kgs)

Car Charging Notes:

  • Ports on Car: J1172 + CHAdeMO
  • Always try to keep the battery between 20-80%
  • It is much faster to charge from 20-80%
  • Quick Charging damages the battery, so use it sparingly
  • Charge at 4.1Volts, not at 4.2Volts for better battery Life.!






Battery Pack Rebuilding and Module Charging Project.

The Plan:

  1. $5000 Car with 6-bar Battery
  2. $1500 10-bar battery in Vancouver.
  3. Swap Batteries.
  4. Pay Tom $200 to Configure Batteries.
  5. Disassemble the 6-bar
  6. Test, and charge all 48 modules.

Battery Pack Instructional Videos:

How to Charge
Drop battery with Jack
Drop battery with Creeper
Entire Pack Deep Dive

Plan Option A:

If Most of the Modules are Great:
  1. Swap Back Battery.
  2. Rebuild Other Battery.
  3. Combine Best of Best Modules.
  4. Resell other Modules.

Plan Option B:

If Most of the Modules are shit:
  1. Buy Additional Used Replacement Modules ($70 - $100).
  2. Swap Back Battery.
  3. Rebuild Other Battery.
  4. Combine Best of Best Modules.

Plan Option C:

If Most of the Modules are shit:
  1. Use the Modules for a Trunk Range Extender

After:

If Most of the Modules are shit:
  • Resell the Bad Batteries for Solar

Discharge Video:

0AH(0.0 hours)@20A(4.00V + 4.00V=8.00V)
10AH(0.5 hours)@20A(3.96V + 3.97V=7.65V)
30AH(1.5 hours)@20A(3.82V + 3.84V=7.38V)
49AH(2.5 hours)@ 0A(3.25V + 3.59V=6.84V)

Voltages:

3.75VNominal (30%+++)
3.69VLow Battery Warning (20%)
3.64VVery Low Battery (8%)
3.00VTurle Mode

Module Charging Times (From Dead):

500Wh8.2V20A 3.0 Hours
500Wh8.2V10A 6.1 Hours
500Wh8.2V 7A 8.7 Hours
500Wh8.2V 6A10.1 Hours
500Wh8.2V 2A30.5 Hours

Charger Notes:

  • Use XT60 Connectors!
  • Test discharge the module from 8.34V down to 6.84V at 20A.
  • Test discharge HALF module from 4.1V down to 3.7V at ??A.
  • Charge @ 8.7A 4.16Volts for 2.5 hours accepts 7.6Ah

Battery Module Charger Questions:

  • Should i buy 2 High-capicity chargers, dischargers, and power supplies??
  • Do I need a power supply AND a Charger
  • Can I get a charger with variable Voltages?
  • What good it USB / Bluetooth Communication?
  • What do you have the circuitry that cuts off when it gets too low / high?
  • How can I decipate the battery down WHILE cutting off
  • Standard Automatic Transmission Fluid?
  • Charge Each Cell at 4.1Volts at 2A?????