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  • Shenzhen BAK Technology Co., Ltd.
    Kallista
    I'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 : Dong
Phone Number : +86 13828713564

Original BAK N21700CG 5000mAh 2C Rechargeable Li-ion Battery Cell High Capacity 3.6V 21700 Lithium Iron Batteries for Flashlight

  • Original BAK N21700CG 5000mAh 2C Rechargeable Li-ion Battery Cell High Capacity 3.6V 21700 Lithium Iron Batteries for Flashlight
  • Original BAK N21700CG 5000mAh 2C Rechargeable Li-ion Battery Cell High Capacity 3.6V 21700 Lithium Iron Batteries for Flashlight
  • Original BAK N21700CG 5000mAh 2C Rechargeable Li-ion Battery Cell High Capacity 3.6V 21700 Lithium Iron Batteries for Flashlight
  • Original BAK N21700CG 5000mAh 2C Rechargeable Li-ion Battery Cell High Capacity 3.6V 21700 Lithium Iron Batteries for Flashlight
  • Original BAK N21700CG 5000mAh 2C Rechargeable Li-ion Battery Cell High Capacity 3.6V 21700 Lithium Iron Batteries for Flashlight
  • Original BAK N21700CG 5000mAh 2C Rechargeable Li-ion Battery Cell High Capacity 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

Contact me for free samples and coupons.

Whatsapp:0086 18588475571

wechat: 0086 18588475571

Skype: sales10@aixton.com

If you have any concern, we provide 24-hour online help.

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Product 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
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Product Description
BAK N21700CG 5000mAh 2C Rechargeable Li-ion Battery Cell

High capacity 3.6V 21700 lithium iron batteries designed for flashlights and consumer electronics applications.

Product Specifications
Attribute Value
Battery Type 21700 Rechargeable Li-ion
Nominal Capacity 5000mAh (0.2C)/min
Nominal Voltage 3.6V
Max Charge Voltage 4.2V
Dimensions 70.75*21.4 (mm) Max
Weight ≤70g
Warranty 12 Months
Original BAK N21700CG 5000mAh 2C Rechargeable Li-ion Battery Cell High Capacity 3.6V 21700 Lithium Iron Batteries for Flashlight 0
Key Features
  • Higher energy density for increased capacity
  • 3C discharge rate capability
  • Standard charge current: 0.2C
  • Max charge current: 1C (at 25℃)
  • Cycle life: 500 cycles
  • Internal resistance: ≤30mΩ
  • Charging mode: CC/CV
Operating Conditions
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)
Custom Battery Solutions

The battery pack can be customized according to customer requirements, including:

  • Custom voltage, capacity, size and case
  • Custom connect plugs, sockets, and cables
  • Waterproof solutions
  • Special battery packs for any application
  • Custom BMS with specific charging/discharging current and balance functions
Original BAK N21700CG 5000mAh 2C Rechargeable Li-ion Battery Cell High Capacity 3.6V 21700 Lithium Iron Batteries for Flashlight 1
Product 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
  • Capable of providing 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 ISO 9001 and ISO 14001 certified facility offers:

  • Factory direct sales with high-quality product packaging
  • Professional PCB/BMS solutions
  • OEM & ODM services recognized by top global enterprises
  • Excellent technical and after-sales service
Frequently Asked Questions
Why choose us?

We use only qualified battery cells with full-function PCB/BMS and strict QC procedures to ensure safety and performance.

How about the warranty?

Standard warranty is 12 months, with special products negotiable. We conduct pre-production samples and final inspections.

Do you have MOQ?

No minimum order quantity. We welcome sample orders to test quality before bulk purchases.

Can you make customized batteries?

Yes, our professional R&D team can develop solutions according to your specific requirements.

Contact us for more details about pricing, packaging, shipping, discounts, and custom battery solutions.
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