General description The 2X 7S 24V 18A Lithium 18650 Battery Charge Protection Board PCB PCM is designed for power tools and external UPS systems. This protection board ensures the safety and longevity of your lithium batteries by preventing overcharging and over-discharging. Technical specifications Type: 7S 24V Appearance size: 60x33x7 mm Material: PC + Metal Discharge single battery over-discharge voltage: 2.7V ± 0.08V Continuous working current: 18A Instantaneous protection current: 50A Overcurrent recovery conditions: charge recovery or disconnect charge Short circuit recovery conditions: charge recovery or disconnect load Charge single battery overcharge voltage: 4.25V ± 0.025V Continuous charging current: 15A Charger voltage: 30V (recommended) Working power consumption: less than 30W Main circuit internal conduction resistance: less than 20 mΩ Temperature range: -40 to 80℃ Break protection: Yes Cable length: 40 cm Package Contents 2 x 7S 24V 18A Li-ion Lithium 18650 Battery