2-String 20A Lithium Battery Protection Module Balanced Version
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The 2-String 20A Lithium Battery Protection Module (Balanced Version) is a safety board designed to protect and manage 2-cell (2S) lithium battery packs used in 7.4V to 8.4V systems. It helps prevent overcharging, over-discharging, over-current, and short-circuit conditions, keeping your battery pack safe and extending its life. This balanced version also ensures both cells charge and discharge evenly, improving performance and longevity.
This protection board supports up to 20A continuous current, making it suitable for small-to-medium power applications like portable electronics, DIY battery packs, e-bikes, scooters, and other battery-powered devices. Its compact design and easy wiring make it a practical choice for both hobbyists and experienced builders looking to add reliable protection to their lithium battery systems.
| Charging Voltage | 8.4V – 9.0V |
|---|---|
| Continuous Discharge Current | Up to 20A (reduce load if cooling is insufficient) |
| Continuous Charge Current | Up to 10A |
| Supported Load (Standard Edition) | Starting drills with current up to 25A and power below 50W, or resistive loads below 168W |
| Supported Load (Balanced Version) | Starting current below 25A and power below 50W, or resistive loads below 168W, with cell balancing function |
| Balancing Function | Yes (Balanced Version) |
| Board Size | 4.8 × 2 cm (1.89 × 0.79 inch) |
| Color | Green |
| Material | ABS + Metal |
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