General description 20PCS 3S 20A Lithium Battery 18650 Charger PCB Protection Board is designed for efficient charging and protection of lithium batteries. This module is suitable for various applications including vacuum cleaners, massagers, LED light backup power supplies, 12V electronic products, solar street light battery packs, and monitoring standby power supplies. Technical specifications Maximum Output Current: 20A Quiescent Current: less than 30uA Charging Voltage: 12.6V Continuous Discharge Current (upper limit): 20A (reduce load current in poor heat dissipation environments) Continuous Charging Current (upper limit): 10A Weight: 4.3g Size: 59 x 20 x 3.4mm Compatibility and accessories Compatible with lithium batteries with nominal voltages of 3.6V and 3.7V (including 18650, 26650, and polymer lithium batteries) Package Contents: 20 x Lithium Battery Charger Module Other information Product color: Green Note: Light and different displays may cause the color of the item in