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Unitech Energy System Limited
High-integrity Lithium battery and Wire Harness assmblies manufacturer in China
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Rechargeable 7.4V 8800mah 2S4P 18650 Li-Ion Battery Packs , 7.4V Li Ion Battery

Unitech Energy System Limited

Rechargeable 7.4V 8800mah 2S4P 18650 Li-Ion Battery Packs , 7.4V Li Ion Battery

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Brand Name : Unitech

Model Number : 18650 7.4V 8800mAh

Certification : CE ROHS MSDS

Place of Origin : China

MOQ : 100pcs

Price : Negotiable

Payment Terms : Western Union, T/T, L/C

Supply Ability : 100000pcs/Month

Delivery Time : 15 days

Packaging Details : Standard high safe package

Product Name : 18650 Rechargeable battery

Model : 18650 7.4V 8800mAh

Cycle life : 500 times

Payment : TT and westernUnion

Application : Ebike,led light, power tools

Battery type : 18650 li ion battery

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Rechargeable 7.4v 8800mah 2S4P 18650 Li-ion Battery Packs, 7.4v li ion battery

Battery specification:

No. Items Specifications Remark
1 Nominal Capacity 8800mAh 0.2C Standard discharge
3 Nominal Voltage 7.4V
4 Discharge end voltage 6.0V
5 Charge Voltage 8.4V±0.03V By standard charge method
6 Standard charging method 0.2C constant current,8.4V constant voltage charge to 8.4V,continue charging till current decline to≤0.01C  
7 Charge current 0.2C 1760mA Standard charge
0.5C 4400mA Rapid Charge
8 Continous discharge current 8800mAh  
9 Cell Internal Impedance ≤50mΩ Internal resistance measured at AC 1KHZafter 50% charge
10 Maximum charge current 1C 8800mA continuous charge
11 Maximum discharge current 3C 26400mA
12 Operation Temperature and relative humidity Range Discharge -20~60℃ 60±25%R.H. Charge at a very low temperature such as blew 0℃,will be get a lower capacity and reduce cycle life of the battery
Charge 0~45℃ 60±25%R.H.
13 Storage temperature for a long time ‘-10~45℃
60±25%R.H.
Do not storage exceed half year. Must charge once when storage for half year. must charge the battery with protect circuit when storage for three months.

Our battery advantages:

1.Full capacity battery, 100% quality testing

2.Built-in BMS , safe and reliable

3.With Protection of short circuit ,over current, over charge and discharge

4.Long cycle life and high energy density

5.Factory price and fast delivery

6.Sample of different lithium battery is available

Related battery pack

Rechargeable 7.4V 8800mah 2S4P 18650 Li-Ion Battery Packs , 7.4V Li Ion Battery

Application of 18650 li ion battery pack

Rechargeable 7.4V 8800mah 2S4P 18650 Li-Ion Battery Packs , 7.4V Li Ion Battery

Why Choose us?

Rechargeable 7.4V 8800mah 2S4P 18650 Li-Ion Battery Packs , 7.4V Li Ion Battery


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