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30C 3700mAh 14.8 V Polymer Li Ion Battery Pack For Jump Starting Cars

Good quality Lithium Polymer Battery Pack for sales
Good quality Lithium Polymer Battery Pack for sales
Very good battery, will purchase again!

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30C 3700mAh 14.8 V Polymer Li Ion Battery Pack For Jump Starting Cars

China 30C 3700mAh 14.8 V Polymer Li Ion Battery Pack For Jump Starting Cars supplier

Large Image :  30C 3700mAh 14.8 V Polymer Li Ion Battery Pack For Jump Starting Cars

Product Details:

Place of Origin: China
Brand Name: Unitech
Certification: CE, Fcc, UN38.3, MSDS, RoSH
Model Number: UT 8042125 3700mAh 30C

Payment & Shipping Terms:

Minimum Order Quantity: 600packs
Price: Negotiable
Packaging Details: one battery in a PE bag, and one battery in a box, then 6 batteries in a Carton
Delivery Time: 30 days
Payment Terms: Western Union , T/T, L/C
Supply Ability: 100000packs/month
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Detailed Product Description
Product Name: Rechargeable Jump Starter Battery Platform: High Voltage And Highly Energy Density;
Performance: Lighter But Powerful And Robust Burst Discharge Application: Drones, Jump Starter, Multirotor, RC Devices
Battery Cell: 8042125 3.7V 3700mAh Warranty: 12 Months
High Light:

emergency car starter battery


rechargeable lithium polymer batteries


14.8V 3700mAh 30C Rechargeable Lipo Battery Pack For Car Jump Starter


Battery Spec:


Product Name 30C high power custom battery pack 4S 14.8V  3700mAh
Battery Type High Voltage Lithium Polymer battery
Power Wh: 54.76 Wh  
Accembly Composed Type 4S/ 4 cells  
Nominal Capacity 3700 mAh @0.2C discharge
Nominal Voltage 14.8 V  
Charge Voltage 16.8±0.12 V  
Cutoff Voltage  12.0 V  
Standard charge Current 1850 mA @0.5C charge
Max. charge current 3700 mA @1C charge
Continous Discharge Current 111000 mA @30C discharge
Max. Discharge Current 185000 mA @50C discharge ≤ 1s
Resistance 10 mΩ 1kHz AC Method
Extra Run Time: Over 300 times  
Weight (Approx.) 385 g  
Dimensions(T.W.L.) 32*43*130 (mm) TxWxL
Charging Plug JST-XH/ selectable  
Discharging Plug EC3/ selectable  
Charge Temperature 0 ~ 45℃  
Discharge Temperature -10 ~ 60℃  
Storage Temperature 0~35℃ Less than one month
0~25℃ More than one month




Very light but highly energy density;
compact and accurate battery size

Endurable and Long service life;
High voltage and high discharging plaform;

Can be customized with different voltage and capacity;

Powerful and robust Burst and Flat high rate discharge performance;

Low self-discharge, Low inner resistance, highly safety and long lifetime;
Factory-based good prices with high quality and High-Efficient-Action service.

Main application:
This Model high capacity high power Lithium Polymer battery(Lipo battery) is widely used for Drones, UAV, FPV, RC toys, RC helicopter, RC cars, RC boat, RC hobby, Airsoft gun, power tools, E-bike.

Why Choose Our Battery?


Due to continuous development in Super High Power Li-polymer battery that draw up to 35C+ discharge continuously, We extend its application to RC Helicopter, RC Plane, RC boat, RC and Power tools.


High Power Li-Polymer batteries outperform other types in high drain performance and cycle life. Due to lower IR and higher load capability, it could bring higher discharge rate and more stable voltage to RC models, Power tools, E-Bikes, Portable battery-driven devices and optimize the performance.


Contact Details
Unitech Energy System Limited

Contact Person: Mr. Alex

Tel: 86-755-23449331

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