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| Pack | Original Capacity | Starting Voltage | Final Voltage | Capacity (mAh) | % Capacity | ~Capacity/Cell | Notes |
|---|---|---|---|---|---|---|---|
| 2 | 20Ah | 14.4 (3.6v/cell) | 8v | 10156 | 51% | 1270 mAh | BMS Added |
| 2 | 14.0 ( 3.5v/cell) | 10.25 | 9935 | 50% | 1241 mAh | Charged with Car Charger. Cells: 3.46, 3.48, 3.53, 3.53 Not a lot of time between charge and discharge test. Discharged cells: 3.07, 3.01, 2.75, 2.73 | |
| 2 | 13.52 | 10.25 | 9683 | 48% | 1210 mAh | Charged with Car Charger. Cells: 3.36, 3.38, 3.38, 3.39 Discharged cells: 3.02, 2.95, 2.51, 2.43 | |
| 2 | Using new tester. 5A load Battery was charged a while ago and left to sit. | ||||||
| 3 | 20Ah | 14.4 (3.6v/cell) | 8v | 10926 | 55% | 1366 mAh | Could the battery be overcharged? |
| 3 | 8v | 9791 | 49% | 1224 mAh | |||
| 3 | 8.49v | 7727 | 39% | 965 mAh | BMS Added. | ||
| 3 | 8.55v | 6315 | 32% | 789 mAh | Charging via power may be the issue? Discovered that I had connected the cell voltage connectors in the wrong order. | ||
| 3 | 13.91 (3.48/cell) | 11.27? | 8123 | Cells balanced before test to: 3.52, 3.58, 3.31, 3.32 BMS is attached. Stopped at 11.27v because 1 cell voltage had dropped too low. Needs to be better balanced or taken apart and re-purposed. | |||
| 3 | All: 13.52 | 11.13 | 8052 | 40% | 1006 mAh | Before charge: Cells: 3.45, 3.47, 3.30, 3.30 | |
| 3 | 13.27v | 12.2?? Bounced back maybe? | 7270 mAh/ 90.58 Wh | Using new tester. 5A load Battery was charged a while ago and left to sit. | |||
| 4 | B-: 13.7 C-: 13.6 P-: 12.57 | 9.34 | 10924 | 55% | 1366 mAh | BMS Attached. Charged with C- using Car Lion Charger Cells: 3.46, 3.43, 3.41, 3.42 @9500mAh: 12.5V on all -Terminals Is there a voltage regulator on the output? @10945mAh - V=9.34 Disconnected - Cells: 2.80, 2.85, 2.87, 2.89 Restarted discharge and it said v=11.4v. | |
| 4 | 13.62 B-: 13.62 C-: 13.62 P-: 13.62 | 9.66 Read 10.6 after disconnect. | 11202 | 56% | 1400 mAh | Charged on C- using iMax B6 - Took 11845 mAh over 228min | |
| 4 | 10350mAh / 128.77Wh | Using new tester. 5A load Battery was charged a while ago and left to sit. | |||||
| 5 | 13.49 B-: 13.49 C-: 13.49 P-: 13.49 | 11.54 | 4537 | 23% | 567 mAh | BMS Attached. Charged with C- using Car Lion Charger Cells: 3.56, 3.32, 3.32, 3.32 After discharge: Cells: 2.28, 3.16, 3.17, 3.16 | |
| 5 | 4498 | Garbage | |||||
| 6 | All: 13.55 | 9.84 | 9435 | 47% | 1179 mAh | Charged on C- using Auto Charger | |
| 6 | 12.21 | Using new tester. 5A load Battery was charged a while ago and left to sit. | |||||
| 3,6 | 13.2 | Combined pack 3/6 Charged using battery charger to full Discharged at 10A using new tester | |||||
| 2,4 | 20.20 Ah / 249 Wh | Combined pack 2/4 Charged using batter charger to full Discharged at 10A using new tester First Stop - 20Ah @10A, Second Stop - @1A |
.
Notes:
Battery pack #1
- was disassembled into singles in order to to test single batteries.
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