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JK BMS B2A series — premium active balancing BMS with 2.0A balance current. Supports 3–8S configurations for Li-ion, LiFePO4, and LTO chemistries. Built-in Bluetooth with per-cell voltage monitoring via JK BMS app. Optional RS485 + CAN module add-on. HC variants include onboard heatsink thermal management; HCR adds ruggedized enclosure.
Specs verified Jul 29, 2026
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