BMS Battery Protection Board 4S 12A (14.8V / 16.8V)

The image shows a battery management board (BMS – Battery Management System) designed for safe operation of four series-connected Li-ion or Li-Po batteries.

Product code	12631
Category	BMS Boards
In stock	10+ in stock

99 TL

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§ 02 — Description

Type: BMS for 4S (4 batteries in series) Nominal voltage: 14.8V Maximum voltage: 16.8V Maximum current: up to 12A (continuous load) Compatibility: Li-ion / Li-Po batteries Protection functions Overcharge protection Over-discharge protection Short-circuit protection Overcurrent protection Cell balancing (in some models) Wiring diagram B- → negative terminal of the first battery (0V) B1 → between batteries 1 and 2 B2 → between batteries 2 and 3 B3 → between batteries 3 and 4 B+ → positive terminal of the fourth battery (up to 16.8V) P+ / P- → output to load or charger Applications Battery-powered tools (drills, screwdrivers) DIY power banks Robotics and DIY projects Battery pack repair Advantages Extends battery service life Ensures safe operation Compact size Easy connection