HAKADI®
HAKADI 18650 3.7V 2900mAh Rechargeable Lithium-Ion Battery For Flashlight Electric Bicycle Laser Pointer 3C-5C High Power Discharge
HAKADI 18650 3.7V 2900mAh Rechargeable Lithium-Ion Battery For Flashlight Electric Bicycle Laser Pointer 3C-5C High Power Discharge
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🔋Battery Warranty
🔋Battery Warranty
LiFePO4 Battery 5 years
Sodium ion Battery 5 years
LTO Battery 10 years
NMC Battery 5 years
LiFePO4 Battery Pack 5 years
The warranty period is from the date you receive.
We only replace new cell for free due to the failure of manufacturing.
Before the shipment, we will detect the cell voltage/resistance/appearance and other issues. we can only ensure that single cell is good before the shipment.
When arrival you can test the cells within 1 week. If you find any problems, please contact us for refund or replace. Any return behavior buyers need to be responsible for shipping fee.
Battery Specification
Model: DCD-3.7V 2900
Nominal Capacity: 2900mAh
Minimum Capacity: 2850mAh(2750mAh)
Nominal Voltage: 3.7V
Charging Voltage: 4.2 ± 0.05 V
Charging Method: CC-CV (0.5C, 4.2V, 0.05C cut-off)
Standard Charge Current: 0.5 C (1450mah)
Maximum Continuous Charging Current: 2C
Discharge Cut-off Voltage: 2.75 ± 0.05 V
Standard Discharge Current: 1.0 C(2900mA)
Maximum continuous discharge current: 10A
Max pulse disdiarge current (<1s): 15A
Operating Temperature (Cell Surface Temperature):
Charge: 0 - 45°C
Discharge: -20 - 60°C
Internal Resistance: <28 mΩ
Weight: About 50g
Cycle life: After 1000 cycles, Capacity Retention ≥80%
Note: The battery appearance color will change depending on the production batch.
Application
Power bank, microphone, radio microphone, gamepad, laser pointer, flashlight, headlight, LED light, camera, toy, remote control toy, mini fan, portable printer, printer emergency light, interphone, DVD portable computer, laptop, instrument, audio equipment, model antenna, and other electronic devices that require cylindrical batteries.











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Each battery pack requires a BMS to monitor the voltage of the battery pack and increase the service life of the battery pack.
Provide protection against overcharge/over discharge/over current, short circuit, over temperature, etc...
Tested 100% as advertised. Added to my growing collection. Thank you for good honest products.
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