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What you get if you buy aliexpress/ebay battery pack for 10$? Fake batteries, NO BMS

Written By Greg S on Monday, Aug 28, 2017 | 01:08 PM

 
Those 2 gray batteries are not connected to contacts as you can see..They are just glued to other 2 blue (real) batteries to give battery pack form ?!?! They are much much heavier than real batteries. I was carrying dead weight around on a sub 8 kg road bike. I decided to buy new batteries, BMS and shrinking foil to build new battery pack. I wanted to use cable but it turns out wires are too thin for 2A discharge. Anyways, I bought real 3500 mAh batteries, BMS to keep em safe from discharging too much. PS: no BMS on this batteries as you can see. I could easily kill em by discharging too much.

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