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Home Products Rechargeable Li Ion Battery

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

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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!

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

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

Product Details:

Place of Origin:	Guangdong, China
Brand Name:	BAKTH / Neutral / OEM
Model Number:	N21700CG

Payment & Shipping Terms:

Price:	CN¥27.11/pieces 1-99 pieces
Packaging Details:	meet IATA

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Detailed Product Description

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 , high capacity lifepo4 li ion battery , high capacity rechargeable li ion battery

Products Description

Product features	1: higher energy;	Charging Temperature	0~45℃
Product features		Charging Temperature	0~45℃	2: 3C discharge rate
Nominal capacity	5000mAh (0.2C)/min	Discharging Temperature	-20 ~ 60℃
Nominal capacity		Discharging Temperature	-20 ~ 60℃	4900mAh (0.2C)
Nominal voltage	3.6V	Storage temperature	≤1 month: 45~60℃
					≤3 months: 25~45℃
					≤12 months: -20~25℃
					≤60%RH Recharge every 6 months
Max charge voltage	4.2V(cut off charging current 34mA)	Humidity Range	0~60% (non-condensing)
Discharge cut off voltage	2.5V	Dimension	70.75*21.4 (mm) Max
Standard charge current	0.2C	Weight	≤70g
Max charge current	1C (at 25℃, not for cycle life)	Brand	BAKTH / Neutral / OEM
Standard dischrge current	0.2C	Warranty	12 Months
Max dischrge current	3C (25℃, not for cycle life)	PCB/PCM	none
Charging mode	CC/CV	Connector	none
Internal resistance	≤30mΩ (AC Impedance, 1000Hz)	Battery type	Li-ion
Cycle life	500 cycles	Rechargeable or not	Yes

The battery pack can be customized according to customer requirements, please contact the store customer service.

Our Service >>>"Customized" battery voltage,capacity size and case. >>>"Customized" connect plug and socket, Cable, waterproof. >>>“Customized" special battery packs for any applications >>>“Customized"BMS charging and discharging current,balancefunction with communication protocol,etc. Advantages High energy density - potential for yet higher capacities. Does not need prolonged priming when new. One regular charge is all that's needed. Relatively low self-discharge - self-discharge is less than half that of nickel-based batteries. Low Maintenance - no periodic discharge is needed; there is no memory. Specialty cells can provide very high current to applications such as power tools. Safety Passed the below safety tests (Drop shock,Impact,Squeeze,Soak,Bonfire,over-charge,over-discharge). No leakage, no venting, no disassembly, no rupture and no fire with stable chemical structure.

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Why Choose Us

Profession：We have 20 year battery pack assembly Design and prodution experience.

Factory Direct Sales: Provide customers with high-quality product packaging and PCB/BMS.

High Quality:ISO 9001 and ISO 14001 certified.

OEM&ODM:We have won the customer recognition of the world's top 500 enterprises.

Good Service:Perfect and fast technoligy and after-sales service.

Company Profile

With 20 years desian and production experience in battery pack assemblina. Shenzhen BAK Technology Co Ltd focus on the design and production of various rechargeable battery packs and circuit protection systems.Backed byexcellent R&D team and advance production & testing facilities, we provide our customers from all over the world with high quality products of battery packs & PCB/BMS as well as pertect and rapid technology and after-sales service,today, Shenzhen BAK Technology's marketing network has successfully expanded to worldwide.

1. Why choose us?
Re: There is a risk of safety accidents using unqualified battery, so, adapting qualified battery cells, full function PCB/BMS and with strict QC procedure are key elements of a qualified battery, and these elements are our essential requirements in designing and producing batteries.

2.Which product is hot sale in your company?

Re: Customized batteries, 18650/21700/26650/32700, Lifepo4 3.2V-100Ah/150Ah/200Ah,/277Ah, 12.8V100Ah/120Ah/12Ah/6Ah.

3. How about the warranty? How can we guarantee quality?
Re: usual warranty is 12 months, for some special products’ warranty can be further negotiate accordingly. Always a pre-production sample before mass production, Always final Inspection before shipment.

4. Do you have MOQ?
Re: No limited, more quantity has better price, we will check the best price for you. We welcome sample order too to test our quality before bulk order.

5. Is it OK to print my logo on product?Can you make customized battery?
Re: Yes, of course. BAK Technology has professional R&D team who could provide you the most suitable solution according to your requirements or thoughts, customized battery require is welcome!

6. How about the lead time?
Re: standard products: sample order 1~3 weeks according to different models, 4~8 weeks for bulk order according to different models and quantity.

7.What shipping method can I choose? How about the shipping time?

Re: As battery is belong DG product according to IATA, the shipping method and time are as below:
By express: about 1~2 weeks, some destinations maybe longer delivery time;
By air: about 2~3 weeks, some destinations maybe longer delivery time;
By sea: 20~60 days according to different countries.
By train: 30~45 days according to different countries.
Ship through your own shipping agent is acceptable too.

8.How do I know whether you’ve shipped my order or not?
Re：Tracking number will be offered as soon as your order was shipped, our sales will check the lead time for you once you placed the order, and will follow up the production till your order delivered.

Contact us for more details about up-to-date price, packing, shipping and discount, customized battery pack or brands are welcomed!!!