1. Safeguarded built-in smart charging circuit so that totally compatible with original Ni-Cd or Ni-MH charger.
2. Ultra high capacity 4400Mah
3. Li-ion cell for motor current requirement
4. Built-in over-charge, over-discharge, over-voltage, over-current and over-temperature protection circuit, safe and reliable.
5. Patent battery balancing technology for expanding the battery life.
6. No memory effect and no need to charge 16 hours at the first time (Until the green light flashes).
7. Ultra low self-discharge rate (1% per month), no need to keep charging the battery when you are not going to use it, and it won’t be damaged under a long time transportation or storage.
(The self-discharge rate of Ni-MH battery is over 25% per month and it might easily cause damage if without charging beyond 3 months)
Battery Type: Li-ion batteries
Voltage: 7.4V (Total Voltage 14.8V)
Warranty: 6 month