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KallistaI'm going to keep this sweet & short! I have never experienced such excellent customer service with a out of country supplier. This company has gone far and beyond to meet the needs of their customers. Their response time with all my concerns were addressed immediately 100%within 1-24 hours and the shipping time was EXCELLENT!
Contact Person :
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Phone Number :
+86 13828713564
Original BAK N21700CG 5000mAh 2C Rechargeable Li-ion Battery Cell 21700CG 3.6V 21700 Lithium Iron Batteries for Flashlight
| Place of Origin | Guangdong, China |
|---|---|
| Brand Name | BAKTH / Neutral / OEM |
| Model Number | N21700CG |
| Price | CN¥27.11/pieces 1-99 pieces |
| Packaging Details | meet IATA |
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xProduct Details
| Battery Type | Lithium Ion | Type | Li-Ion |
|---|---|---|---|
| Standard Charge Current | 0.2C | Size | 70.75*21.4 (mm)Max |
| Max Charge Current | 5000mA | Discharge Cut Off Voltage | 2.5V |
| Charging Mode | CC/CV | Warranty | 12 Months |
| Battery Type | 21700 Rechargeable Li-ion | Application | Consumer Electronics |
| Highlight | rechargeable lifepo4 li ion battery,for flashlight lifepo4 li ion battery,for flashlight rechargeable li ion battery |
||
Product Description
BAK N21700CG 5000mAh 2C Rechargeable Li-ion Battery Cell
Product Specifications
| Attribute | Value |
|---|---|
| Battery Type | Lithium Ion (Li-Ion) |
| Standard Charge Current | 0.2C |
| Size | 70.75*21.4 (mm) Max |
| Max Charge Current | 5000mA |
| Discharge Cut-off Voltage | 2.5V |
| Charging Mode | CC/CV |
| Warranty | 12 Months |
| Application | Consumer Electronics |
Technical Features
| Feature | Specification |
|---|---|
| Nominal Capacity | 5000mAh (0.2C)/min, 4900mAh (0.2C) |
| Nominal Voltage | 3.6V |
| Max Charge Voltage | 4.2V (cut off charging current 34mA) |
| Standard Discharge Current | 0.2C |
| Max Discharge Current | 3C (25℃, not for cycle life) |
| Internal Resistance | ≤30mΩ (AC Impedance, 1000Hz) |
| Cycle Life | 500 cycles |
| Weight | ≤70g |
Environmental Specifications
| Parameter | Range |
|---|---|
| Charging Temperature | 0~45℃ |
| Discharging Temperature | -20 ~ 60℃ |
| Storage Temperature | ≤1 month: 45~60℃ ≤3 months: 25~45℃ ≤12 months: -20~25℃ |
| Humidity Range | 0~60% (non-condensing) |
Customization Available: Battery voltage, capacity, size, case, connect plug/socket, cable, waterproofing, BMS charging/discharging current, balance function with communication protocol.
Key Advantages
- High energy density with potential for higher capacities
- No prolonged priming needed - one regular charge is sufficient
- Low self-discharge (less than half of nickel-based batteries)
- Low maintenance - no periodic discharge needed and no memory effect
- Specialty cells provide very high current for power tools
Safety Features
Passed rigorous safety tests including drop shock, impact, squeeze, soak, bonfire, over-charge, and over-discharge. Features stable chemical structure with no leakage, venting, disassembly, rupture or fire.
Company Profile
With 20 years of design and production experience in battery pack assembly, Shenzhen BAK Technology Co Ltd specializes in rechargeable battery packs and circuit protection systems. Our excellent R&D team and advanced production facilities ensure high quality products with perfect after-sales service.
Frequently Asked Questions
Why choose us?
We use qualified battery cells, full-function PCB/BMS, and maintain strict QC procedures - essential elements for safe, high-quality batteries.
Which product is hot sale in your company?
Customized batteries including 18650/21700/26650/32700, Lifepo4 3.2V-100Ah/150Ah/200Ah/277Ah, 12.8V100Ah/120Ah/12Ah/6Ah.
How about the warranty?
Standard warranty is 12 months (extendable for special products). We provide pre-production samples and final inspection before shipment.
Do you have MOQ?
No minimum order quantity. We welcome sample orders to test quality before bulk orders.
Can you make customized battery?
Yes, our professional R&D team can provide customized solutions including logo printing.
How about the lead time?
Sample orders: 1-3 weeks. Bulk orders: 4-8 weeks depending on model and quantity.
What shipping methods are available?
Express (1-2 weeks), Air (2-3 weeks), Sea (20-60 days), Train (30-45 days). Customer's shipping agent is acceptable.
Contact us for more details about pricing, packaging, shipping, discounts, and customized battery packs.
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