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Parts & Equipment

Battery Charger Module (BMS)

Repair of lithium/acid battery charge control circuits.

Specialized repair of battery management modules (BMS) and intelligent chargers for lithium-ion, lithium-polymer, lead-acid and NiMH batteries. The process includes restoration of charge current and voltage control circuits (CC/CV), cell balancing, overcharge, overdischarge, overcurrent and short-circuit protections, as well as temperature sensors. Common faults include incorrect charging, cell imbalance, sudden charge interruption and failure of power MOSFETs. After repair, the module is tested with real batteries and battery simulators to ensure safe and optimal performance.

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