21700 Adapter Module for 8-Channel Lithium Battery Tester (4-Slot Base) 80A BMS BC0: connect to total battery

BC0: connect to total battery negative

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Size: Each variant includes one 3m (9

or backup system

optional CANbus/UART PCB Material & Size FR‑4

21700 Adapter Module for 8-Channel Lithium Battery Tester (4-Slot Base) 80A BMS BC0: connect to total batteryUpgrade your 8 Channel Lithium Battery Tester to support 21700 cells with this dedicated 4 slot adapter module. This expansion base allows your native 18650 tester to properly fit and test 21700 lithium ion cells. The module replaces the standard 18650 holders and provides the correct spacing and mechanical support required for accurate and stable testing of 21700 batteries. ImportantEach module supports 4 cells only. To fully convert an 8 channel