3S 20A BMS Unit for Lithium Batteries

Description

3S 20A BMS Module for Lithium Batteries is a battery management system (BMS) board rated 20A, designed to keep multi-cell lithium battery packs balanced, safe, and healthy.

It provides active or passive cell balancing, overcurrent and short-circuit protection, and temperature monitoring depending on the configuration.

It’s built for lithium-ion or LiFePO4 packs used in solar energy storage, electric vehicles, UPS systems, and portable power banks.

Reliable protection that keeps your battery investment safe over thousands of cycles.

This item belongs to our General Hardware catalog, chosen for dependable performance in a wide range of hobbyist and production projects. Every part we list is picked with real project use in mind, not just a spec sheet — so you can order with confidence whether you’re a student, hobbyist, or working engineer. Competitive pricing and reliable stock availability make it easy to keep your builds on schedule, and our support team is on hand if you need guidance on picking the right variant for your project.

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