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I recently ordered the Chins Smart 12.8V 100Ah drop-in battery from Amazon for evaluation. This is the version with a heating pad to warm the battery if less than 0 C and Bluetooth BMS interface, and paired with the EE-BMS app. According to the app, it had a tested 105.5 Ah tested capacity and...

I purchased three of these batteries to replace the Firefly carbon foam LA batteries I damaged. At a 5A discharge rate, using an Itech programmable electronic load on the first, and a Graupner Polaron in discharge mode for the second and third, they delivered 103, 108, and 108 Ah. I suspect the...