Features: 5.5*2.1mm + 5.5x2.5mm DC connector ; Special charger 48v lithium battery pack. The charger Built-in simply fan, with radiating fin surrounding the board, dissipating the heat through the shell, so some hot on the shell when charging is very normal, but it is Strong The Charger protected: Short circuit protection/ over current protection/ over voltage protection; Red light -- charging, green light -- charge OK, it stop automatically when the battery is full. Strong to Use: Made of High Standard Material. Package included: 1 x Power Adapter 1 x Power Cable
