Description/Features: 1. the and efficiency of your lithium battery setup with our advanced 5S 16V/18.5V 15A Li-ion Lithium Battery Protection Board. 2.This essential accessory is designed specifically for 18650 battery packs and offers comprehensive protection against overcharging, overdischarging, and short circuits, enhancing the and performance of your batteries. 3.Compatible with 16V and 18.5V setups, perfect for a wide range of applications. 4. 15A continuous discharge rate ensures reliable performance under load. 5.Automatic cut-off on detecting overcharge or overdischarge conditions protects your battery investment.Compact and design for easy integration into your existing battery configurations. Specifications: Material: PCB Color: As shown Charging voltage: 21 V Charging MOS pressure value: 35 V Discharging MOS pressure value: 35 V Charging current: 56A Continuous discharge current: 1 Overcurrent protection: 50/55/60 A Overcurrent protection delay: 20/25 / 30mS Single-cell self-consumption: 30uA Power consumption between single cells: 3uA Single-stage overcharge detection voltage: 4.18- /4.22V Overcharge recovery voltage 4.05~4.15 V Overcharge detection delay: 0.5 / 1.0 / 2.0S Single-stage overdischarge detection voltage: 2.75-2.85 V Overdischarge recovery voltage: 2.90-3.20 V Overdischarge detection delay: 0.5-2.0S Due to different batches, there may be differences in product appearance and printed text, which will not affect use Package Contents: 3 x battery protection boards 3 x cables Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.