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| Battery Pack | Configuration | Expected Capacity | Starting Voltage | Final Voltage | Capacity (mAh) | % Capacity |
|---|---|---|---|---|---|---|
| 1 | 4S8P | 16Ah | 12.94v (3.235v/cell) | 8v (2.0v/cell) | 3163 | 20% |
| 2 | 4S8P | 16Ah | 13v (3.5v/cell) | 8v (2.0v/cell) | 3234 | 20% |
| 3 | 4S8P | 16Ah | 13v (3.25v/cell) | 8v (2.0v/cell) | 3358 | 21% |
Thoughts:Perhaps these
- 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
| Battery | Expected Capacity | Starting Voltage | Final Voltage | Capacity (mAh) | % Capacity |
|---|---|---|---|---|---|
References
| Reference | URL |
|---|---|
| Buying Used Batteries | https://batteryhookup.com/ |
| A123 Spec | https://www.batteryspace.com/a123-lifepo4-26650-rechargeable-cell-3-3v-2500-mah-50a-rate-8-25wh-anr26650m1b---un38-3-passed-and-iec-listed.aspx |
| Battery Pack Calculator | http://repackr.com/ |
| LiFePower LiFePO4 Batteries | https://www.sawtechnology.com/solarengine-battery |
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