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OEM 357090 4000mAh Lithium Polymer Battery Pack For Tablet

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Shenzhen guanyu new energy technology co., ltd

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OEM 357090 4000mAh Lithium Polymer Battery Pack For Tablet

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Brand Name :	GUANYU
Model Number :	GUANYU-FF319
Certification :	CE ROSH UN38.3 MSDS
Price :	Negotiable
Payment Terms :	30% before production，70% before delivery
Supply Ability :	10000 packs per month
Delivery Time :	3-6 weeks

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Product Details
Company Profile

OEM 357090 4000mAh Lithium Polymer Battery Pack For Tablet

Factory customized 357090-4000mAh soft pack polymer battery pack tablet battery pack

Use range:
The lithium battery pack is an explosion-proof battery pack. Low temperature battery pack can be customized. It can discharge at minus 40 degrees. This product can be used in infrared camera. Beauty equipment. High-end electronic products such as medical equipment.

Product specification


No.	content	Testing method	Remark
1	Charge cut-off voltage	4.2V

2	Discharge cut-off voltage	2.75V

3	Standard charge	Under the condition of the ambient temperature of 25±2℃,Charge the battery at constant current of 0.2C to reach 4.2V. Then charge the battery at constant 4.2V voltage until the charging current decreasing to 0.02C.




4	Standard discharge	After the standard charging , rest for 1 hour then discharge to 2.75V@0.2C.



5	Shipments voltage	3.7-4V	capacity ≤30 %

6	Maximum Charge Current	≤1000mAh

7	Maximum continuous working current	≤2000mAh

8	Rated capacity	Typical capacity:4000mAh Minimum capacity:3950mAh	standard discharge after standard charge

9	Operation temperature range	charging:10~45℃ humudity:60±25% discharging:-20~60℃	60±25%R.H


10	Storage temperature	≤1 month: -20 ~ 45℃ ≤3 months: 0 ~ 30℃ ≤1 year: 0 ~ 30℃	10~25℃ 60±25%R.H Best 10~25℃ for long-time storage

Delivery Time:

- Material Preparation Time: 7-15 days (or inventory)

- Production & Assembly Time 3-10 days

- Testing & Packaging Time: 2-10 days

- Total Delivery Time: 30-45days

- The faster delivery could be negotiable.

Packaging & Shipping

One pc in a PE bag, and then in a standard export carton or Custom-made Package.

Delivery Methods:
① By express UPS/DHL/FEDEX/TNT (It takes 3-5 days to arrive).
② By airfreight (It takes about 3~7 days to arrive) .
③ By sea shipment (It takes about 35 days to arrive).

Delivery Time: 3-5 days for samples, 8-20 days for mass production, depend on the QTY.

Contact with our sales team for your OEM and ODM order.

OEM/ODM Service:

If you want to display your own brand logo in products, bags, labels or anywhere. Or you need to develop battery packs according to your product orientation. Our OEM and ODM services are ready to do it.

Guanyuestablished in Shenzhen on July 18, 2005, mainly in the business of battery packs. In 2009 the company passed ISO9001 and improved the product quality standard to fulfill the high-end requirements from our customers.

In 2012, Guanyu moved to a new facility and expend the production capacity, the Productivity improved nearly 10 times than before.

In 2013, Guanyu imported ERP (SAP) system to supervise order execution process.

In 2017, Guanyuexpanded the SMT, imported high-speed patch machine from Germany.

Until now the factory grows into a modern enterprise which integrated injection molding, PCB designing, SMT and battery pack assembling services.

In 2018 the company passed ISO14001certification, introduced automated battery production line to further improve the production quality and capacity.

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Factory customized 357090-4000mAh soft pack polymer battery pack tablet battery pack

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