100% brand new and high quality Material: Electricity component Color:See pictures Features: Over charge voltage test: VCU 4.25V 0.05V (4.20-4.35V // each 0.05V per step) Over charge voltage resume: VCD 4.10-4.00V Over discharge voltage test: VDD2.50V 0.1V (2.5-3.0V // each 0.05V per step) Over discharge voltage resume: VDU 2.80V 0.V1 Operating current: 300UA Short circuit protection: 40A3A Short circuit protection duration: 500MS Temperature protection: 55 / 65 / 75 degree Typical output current: 30A Max. output current: 45A Balance voltage for single cell:4.19V 0.02V Balance current for single cell: 55MA Charging current:10A Dim. 53 x 63mm (L x W) Application: You can DIY battery charger for various equipment ie. Drill & Solar Battery Size: See the picture No retail package Quantity: 1Pc Note: Due to the difference between different monitors, the picture may not reflect the actual colorof the item. Thank you!!!!