Note: This Button Top Version is most suitable for Flashlights that uses Cylindrical 18650 Li-Ion Cells.
Features and Benefits
- Unique and New! With PCB protection!
- Li-Ion 18650 cylindrical rechargeable batteries with Internal Voltage protection PCB!
- Internal PCB protection prevents under-voltage at 2.5V and over-voltage at 4.25V.
- Unique PCB design and patent pending.
- 3.7V 2600mAh high capacity
- Higher energy density and lower weight than other rechargeable batteries
- Manufactured under ISO9001-2000 to assure quality
- Battery tested based on International Electrotechnical Commission (IEC) standard to ensure capacity, quality and life time
- Lighting or other device that needs 3.7V power
- Building portable power device needing high energy density and low weight
- CAUTION: when working with Li-ion cells, they are very sensitive to charging characteristics and may explode if mis-handled.
- User should have enough knowledge on Li-Ion rechargeable batteries in charging, discharging, and assembly before use.
- Put the batteries in fire-proof container
- Do not put batteries on wood surface or carpet when charging
- The battery is/are not suitable for e-cig mod.
- Never leave battery un-attended when charging
- We are not responsible for damage of any modification of the batteries in form, shape or made into packs
- We are not responsible for any damage caused by misuse or mishandling of these Li-Ion batteries
- Capacity* Nominal 2600 mAh, Minimum 2500 mAh
- Internal PCB protection prevents under-voltage at 2.5V and over-voltage at 4.35V. UNIQUE INTERNAL PCB!
Diameter: 19 mm
Height: 69.5 mm
- Weight (Typical) Approx. 50 g
- Nominal Voltage: Average 3.7V
- Discharge Voltage: 3.0V
- Internal Impedance: less or equal to 130 milliohm (with PTC)
- Cycle Performance: 90% of initial capacity at 400 cycles
- Cycle life: > 500 cycles
- Standard Charge Current: 0.2C (Cut-off Current: 0.01C)
- Fast Charge Current: 0.5C (Cut-off Current: 0.01C)
- Standard Discharge Current: 0.5C (End Voltage = 2.75V)
- Max. Discharge Current: 1.5C
Internal PCB Specifications:
|Over Charge Protection||Over Charge Detection Voltage||4.325±0.05V|
|Over Charge Protection||Over Charge Release Voltage||4.125±0.10V|
|Over Discharge Protection||Over Discharge Detection Voltage||2.5±0.10V|
|Over Discharge Protection||Over Discharge Release Voltage||2.9±0.10V|
|Over Discharge Protection||Rated Operational Current||3.5A|
|Over Current Protection||Over Current Detection Current||6-8A|
|Over Current Protection||Release Condition||Cut load|
|Over Current Protection||Detection Delay Time||8.0～16.0ms|
|Short Circuit Protection||Detection Condition||Exterior Short Circuit|
|Short Circuit Protection||Release Condition||Cut Short Circuit|
|Interior Resistance||Main Loop Electrify Resistance||VC=4.2V; RDS≤40mΩ|
|Current Consumption||Current Consumption in Normal Operation||4.0μA Type 8.0μA Max|
|Dimension (LxWxH)||R8.65 x 0.5 mm||R8.65 x 0.5 mm|
*Note: do not use Button Top version with Tenergy Multifunctional Charger.