Nominal Capacity: 4000mAh Feature: Rechargeable Battery Type: Li-polymer Model Number: 902025Size:9x20x25Charging current: standard charging, fast charging: 1 .OC: 0.5CStandard charging method: 0.5C CC (constant current) charge to 4.25V, then CV (constant voltage 4.2V) chargetill charge current is less than or equal to 0.05CThe maximum charge current: 1CMaximum discharge current: 1CDischarge cut-off voltage: 2.75VThe discharge temperature: -20 degrees C-+60 degrees C Charging time: 5-6hrs (standard); 2hrs (fast)Protection function: over charge, over discharge, over current, short circuit protection, over temperature protectionIt can be recharged repeatedlyBuilt-in protection circuit PCM for prevent over charging or over discharging.NO CONNECTOR. NOT FOR DRONES

Nominal Capacity: 500mAh Feature: Rechargeable Battery Type: Li-polymer Model Number: 602040Size: 6x20x40Charging current: standard charging, fast charging: 1 .OC: 0.5CStandard charging method: 0.5C CC (constant current) charge to 4.25V, then CV (constant voltage 4.2V) chargetill charge current is less than or equal to 0.05CThe maximum charge current: 1CMaximum discharge current: 1CDischarge cut-off voltage: 2.75VThe discharge temperature: -20 degrees C-+60 degrees C Charging time: 5-6hrs (standard); 2hrs (fast)Protection function: over charge, over discharge, over current, short circuit protection, over temperature protectionIt can be recharged repeatedlyBuilt-in protection circuit PCM for prevent over charging or over discharging.NO CONNECTOR. NOT FOR DRONES

Nominal Capacity: 1500mAh Feature: Rechargeable Battery Type: Li-polymer Model Number: 752080Size: 7.5x20x80Charging current: standard charging, fast charging: 1 .OC: 0.5CStandard charging method: 0.5C CC (constant current) charge to 4.25V, then CV (constant voltage 4.2V) chargetill charge current is less than or equal to 0.05CThe maximum charge current: 1CMaximum discharge current: 1CDischarge cut-off voltage: 2.75VThe discharge temperature: -20 degrees C-+60 degrees C Charging time: 5-6hrs (standard); 2hrs (fast)Protection function: over charge, over discharge, over current, short circuit protection, over temperature protectionIt can be recharged repeatedlyBuilt-in protection circuit PCM for prevent over charging or over discharging.NO CONNECTOR. NOT FOR DRONES