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PackOriginal CapacityStarting VoltageFinal Voltage

Capacity

(mAh)

% Capacity ~Capacity/CellNotes
220Ah14.4 (3.6v/cell)8v 1015651%1270 mAh








320Ah14.4 (3.6v/cell)8v 1092655%1366 mAhCould the battery be overcharged?
3

8v979149%1224 mAh
3

8.49v772739%965 mAhBMS Added. 
3

8.55v631532%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.

4

B-: 13.7

C-: 13.6

P-: 12.57

9.341092455%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






6
All: 13.55



Charged on C- using Auto Charger


.

Notes: 

Battery pack #1

  • was disassembled into singles in order to to test single batteries.

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