Customized 2200mah lipo 2s 7.4 v li-ion battery pack

Customized 2200mah lipo 2s 7.4 v li-ion battery pack


1 Battery cell model 18650
2 Combination 2S1P+PCM
3 Nominal voltage 7.4V
4 Nominal capacity 2200mAh
5 Standard discharge current 0.2C
6 Max discharge current 1C
7 Standard charge current 0.2C
8 Fast charge current 0.5C
9 Inner resistance 105mohm
10 Over discharge cut off voltage/series 2.4 ± 0.06V
11 Over charge protection voltage/series 4.25± 0.03V
12 Discharge working temperature -20-60°C
13 Charge working temperature 0-45°C
14 Recommended storage temperature 23 ± 5°C
15 Flow value 3A
16 Weight about 100g
17 Size L*W*H=38*23*68mm,customized















1. High Energy Density.
2. High Output Voltage.
3. Excellent Security.
4. Long Cycle Life: More than 800 repeated charge/discharge cycles.
5. Fast Charge Capacity: Can be fully charged in 2 to 3 hours with a rated voltage of 4.2 per cell
6. Environmental-friendly: No Pb, Cd added
7.Dual IC chips, that can anti-shortcircuit, anti-overcharger, anti-overcurrent, anti-overload;
8.Injection Technology to make battery more stable;
9.With short-circuit production function, safe and reliable;
10.Factory mastered technology and competitive price;
11.CE/ROSH/SGS/UL/MSDS/UN38.3/IEC61233 standard.

1. Telecommunications: Cellular phone, interphone, blue tooth earphone.
2. Video Devices: MP3/MP4/MP5, digital camera, portable DVD, portable television
3. Portable Devices: GPS,PDA, E-book ,PMP, PSP, portable medical device etc.
4. Illuminate Devices: Miner lamp, search light.
5. Others: Electric Toys, RC models

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About Coremax Technology

battery production

Coremax owned a battery design, research and development team with rich experience and pay attention to batteries in all aspects. It providing customers with the latest, advanced and safest mobile power solution. Coremax equipped with State-of-the-art manufacturing equipment and precise detection instruments and computer monitoring equipment. With the strict accordance on the quality management system, Coremax battery always ensure the performance of security and stability to meet customers’ requirements.

Coremax works for several top 500 enterprises customers and we are proud of the positive feedback and closely co-operation from them. Up to now, coremax has already developed thousands of various lithium battery cells battery packs based on customers’ detailed requirements and applications. With a wide range, good quality, reasonable prices and stylish designs.

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