Newest Mini E Cigarette 350mah ego battery

The Mini electronic cigarette batteries feature:
1. Ego short length ,350mah, 55mm battery with nice-looking appearance , 14mm diameter, could match with ego series cartomizer, with 5 click on/off  system.
2. Constant voltage output
3. 5 times switch function protection circuit, more safety. 
On/off button, which is closed when pressing 5 times, then it works if press 5 times again.

Best Electronic cigarette batteries Specification:
1. short-circuit protection- when short circuit,the battery will shut down.The battery wouldn't go back to work untill the ends of circuit.
2. switch protection- press the button 5 times within 1.5 seconds,lock/nonlock
3. Atomizer protection- If you press the button for by 10 seconds the battery will be locked untill the next press.
4. Low voltage protection- When the battery voltage is lower than 3.3v,the battery will shut down.
5. Charge- Blue led blinks 5 times, ego usb charge can be used.