Wednesday, June 8, 2022

BATTERY TEST ON BATTERY #10 (UPDATE: TEST #2)

Another great day. Overcast but comfortable  Temp 19 C.

Watt hours = 677.13

Amp hours = 14.38

Odometer = 11,006 km.

Very disappointed in today's test. #10 battery is supposed to be one of my better batteries. I expected about 720 W/h. The Ah are also low. I will update this post when I recharge the battery. Perhaps it wasn't fully charged. 

NOTE: I just unwrapped the battery. When I test a single battery I put it in my rear basket and I wrap the battery in a beach towel in order to cushion it from road shock. When I unwrapped the battery it was hot to the touch. Perhaps the battery overheated and the BMS shut it down early. I'll keep you updated when I do a second test without the wrap.

Test #2

Watt hours = 691.24

Amp hours = 14.54

Odometer = 11,046

While I kept the battery uncovered there was not much improvement in its performance. Still disappointing.

77 km today. 2.5 hours saddle time. Not at all tired.

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