Published on May 13, 2012
This is part 2 with the Charge and Discharge data of the 20Ah A123 Systems Battery.
This Battery is made out of 8 cells connected in series each cell is 3.2V nominal 20Ah.
I used my new Panasonic DMC-G3 to take this video and sound is from Sony ICD-SX712.
Equipment used on this test from load to acquisition are
2 x 100W incandescent light bulb.
P4400 Kill a Watt power meter.
300W pure sine wave inverter.
100A 75mV shunt resistor.
8S 20Ah LiFePO4 Battery.
BVM-8S cell voltage monitor and alarm.
Wavetek model 52 digital multimeter.
USB to RS232 converter.
Acer 11.6" core i3 Laptop.
During charge the ZXY6005 CC CV power supply + two 150W ac adapter where used.
The result is that Battery is 18.3Ah capacity still not bad if it will be able to recharge close to 3000 times.
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