Features: 1) The design based on single-node AA alkalinity ordinary battery 2) Applies in the single-node lithium electric drive portable electronic installation 3) Charging current: maximum current: 310mA 4) The transfer efficiency rates as high as 90%, one AA battery to be possible to let the handset onverse on the telephone continuously 90-120 minutes 5) Waits for an opportunity the time for 48 hours 6) Each lithium battery may increase equipment lithium battery 240mAh of the electric quantity 7) Exquisite outward appearance design, is advantageous for carries 8) When the charge completes, the battery charger automatically separates the power source 9) May choose the different charge data lines to be suitable any type 10) Note: the charge effect is different based on the handset model and the AA battery quality but has a little difference. The electric current size changes along with the exploitation conditions