Excellent battery efficiency
For providing stable power to devices, Sanyo UR18650ZK 2500mAh 4.9A rechargeable battery offer 3.6V average operating voltage in order to guarantee maximum output power.
High discharge performance
Sanyo UR18650ZK 2500mAh 4.9A battery provide powerful and constant power to the device or equipment, voltage drop less with load, the discharge curve is quiet stable from full to empty.
Fast charge and no memory effect
Maximum continuous charge current 1.715A, can be full charged in about 3.0 hours. Sanyo UR18650ZK 2500mAh 4.9A battery has no memory effect and with minimal self-discharge.
Reliable and safe
Sanyo and Panasonic are leader of Lithium-ion 18650 battery, provide only reliable batteries, it is 100% safe by using the battery according to the cell specification.
| Items | Specifications | Notes |
| Nominal capacity | 2500mAh | 0.2C discharge, 2.5V cut-off |
| Nominal voltage | 3.7V | |
| Nominal energy | 9.25Wh | Capacity(Ah) × Voltage(V) |
| Charging voltage | 4.20V | |
| Charging current | 500mA 丨1715mA | Standard丨Rapid |
| Charging time | 6.0 hours 丨3.0 hours | Standard丨Rapid |
| Charging method | CC - CV | Constant current, constant voltage |
| Continuous discharge current | 500mA 丨4.9A | Standard丨Maximum |
| Peak discharge current | 5A | Within a short time |
| Discharge end voltage | 2.5V | Discharge cut-off voltage |
| Dimensions | 18.5mm丨65.1mm | Diameter丨Height |
| Typical weight | 46.5g | 1.64 oz |
| Charge temperature range | +0 ~ +60°C | +50 ~ 110°F |
| Discharge temperature range | -10 ~ +45°C | -4 ~ +140°F |
| Storage temperature | -10 ~ +45°C | Within 3 months |
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