£50.81 26% Off | Lifepo4 smart bms 4s 200a lipo battery 12V 80A 100A 120A 150A Bluetooth 485 to USB device NTC UART software With Fan balancer
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Just a heads up I’ve bought one of these (120a with fan) and the low temperature cut off works correctly and is fully programmable

97.4US $ |Lifepo4 smart bms 4s 200a lipo battery 12V 80A 100A 120A 150A Bluetooth 485 to USB device NTC UART software With Fan balancer|Battery Accessories & Charger Accessories| - AliExpress
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Just a heads up I’ve bought one of these (120a with fan) and the low temperature cut off works correctly and is fully programmable