HW-391 20A 2S BMS 8.4V Lithium Battery Protection Board | Balanced

What is this?

HW-391 20A 2S BMS for 3.7V lithium batteries (18650, 26650). 8.4V charging, 20A discharge, cell balancing, overcharge & short-circuit protection. 48...

What can I build with it?

• General electronics and robotics prototyping
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Compatibility notes

No verified pin/voltage metadata in our engineering catalog for this title. Treat electrical details as unverified until you check the datasheet.

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Specifications

• HW-391 20A 2S BMS 8.4-9V Lithium Battery Protection Board Balanced Version
• HW-391 20A 2S BMS 8.4V Lithium Battery Protection Board
• Key Specifications
• Compatible Batteries
• Features
• A high-quality Battery Management System (BMS) designed for 2-series lithium battery packs. Built with precision components and high-grade PCB material to effectively avoid corrosion and wear for long-lasting durability.
• Works with all 3.7V nominal / 4.2V charge lithium batteries including 18650, 26650, and polymer lithium cells.
• The products of are good and reliable

Listed from catalog data. Treat as merchant-provided, not independently lab-verified, unless noted above.

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