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Battery Pack | Configuration | Expected Original Capacity | Starting Voltage | Final Voltage | Capacity (mAh) | % Capacity |
---|
1 | 4S8P | 16Ah20Ah | 12.94v (3.235v/cell) | 8v (2.0v/cell) | 3163 | 20%16% |
2 | 4S8P | 16Ah20Ah | 13v (3.5v/cell) | 8v (2.0v/cell) | 3234 | 20%16% |
3 | 4S8P | 16Ah20Ah | 13v (3.25v/cell) | 8v (2.0v/cell) | 3358 | 21%17% |
Thoughts:
- These batteries were not fully charged. They should have been closer to 14.4v. Need to charge and re-test.
- Did a balanced charge and they took in 11Ah (10.939 Ah) charge over 15 hours and finished at 14.4v. Once removed from the charger, they dropped to 13.9v.
Single Battery Tests
Expected Original Capacity | Starting Voltage | Final Voltage | Capacity (mAh) | % Capacity |
---|
1 |
200053%200055%
Out of 2 batteries, it appears that we have 50% capacity left.
Battery Pack Tests
Battery Pack | Configuration |
---|
Expected Original Capacity | Starting Voltage | Final Voltage | Capacity (mAh) | % Capacity |
---|
2 | 4S8P |
16Ah20Ah | 14.4 (3.6v/cell) | 8v (2.0v/cell) |
|
|
3 | 4S8P |
16Ah20Ah | 14.4 (3.6v/cell) | 8v (2.0v/cell) |
|
|
Notes:
Battery pack #1 was disassembled into singles in order to to test single batteries.
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