JK Smart BMS 200A 8S-20S with 2A Active Balancer (JK_B2A20S20PHC) Maximize the life, capacity, and safety of your DIY lithium battery pack with this high-performance JK (Jikong) Smart BMS. This heavy-duty unit is perfect for high-demand applications like solar energy storage, off-grid power systems, electric vehicles, and custom power walls.Key Features & BenefitsPowerful 2A Active Balancing: Energy is actively transferred from high-voltage cells to lower ones instead of being wasted as heat, keeping large-capacity cell packs perfectly top-balanced.Massive Current Handling: Supports a massive 200A continuous current and up to 350A peak surge current. Harness not included. T4-0177