Excellent battery efficiency
For maximum lasting time, KinStar 7.4V 3500mAh Li-ion rechargeable battery demonstrably have maximum energy density with small size and low weight - guaranteeing maximum output power.
Fast charge and no memory effect
KinStar 7.4V 3500mAh battery pack can be full charged in about 4 hours, faster than Ni-MH, Ni-Cd or Lead acid batteries. Durable energy storage without memory effect and with minimal self-discharge.
Long service life
The Protection Circuit Board(PCB) offers maximum protection against overcharging, overdischarging, overcurrent, overheating and short circuits as well as extending the service life of the battery pack.
Environment friendly and easy handling
Lithium-ion batteries are clean energy provider with staying power and zero emission. It is simple to handle them without any danger, if read instruction before using the batteries.
| Items | Specifications | Notes |
| Nominal capacity | 3500mAh | 0.67A discharge at 25°C |
| Nominal voltage | 7.4V | Average operating voltage |
| Nominal energy | 25.9Wh | Capacity(Ah) × Voltage(V) |
| Charging voltage | 8.40 ± 0.05V | |
| Charging current | 700mA 丨1700mA | Standard丨Rapid |
| Charging time | 6.0 hours 丨4.0 hours | Standard丨Rapid |
| Charging method | CC - CV | Constant current, constant voltage |
| Continuous discharge current | 700mA 丨2000mA | Standard丨Maximum |
| Peak discharge current | 3000mA | Within a short time |
| Discharge end voltage | 5.5V | Discharge cut-off voltage |
| Dimensions | 19.5mm丨37mm丨71mm | Thickness丨Width丨Length |
| Typical weight | 102g | 3.60 oz |
| Charge temperature range | +10 ~ +45°C | +50 ~ 110°F |
| Discharge temperature range | -20 ~ +60°C | -4 ~ +140°F |
| Storage temperature | -20 ~ +45°C | Within 3 months |
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