DMEGC Li-ion 18650 battery

We offer high-quality Li-ion 18650 battery and Alkaline battery include:
AA, AAA, C, D and 9V size, with OEM ODM service.

Looking for stable-quality Li-ion 18650 battery?

DMEGC Li-ion 18650 battery 3.7v 2850mAh

Lithum-ion Rechargeable Cell INR18650-29E.


  • Large capacity.
  • Long life more than twice the ordinary battery.
  • High voltage.
  • Small internal resistance.
  • A wide range of use laptops, walkie-talkies, portable DVDs, instruments, audio equipment, aircraft models, toys, video cameras, digital cameras and other electronic equipment.
Custom your Li-ion battery, lable and package now.
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Model 18650
Nominal Capacity (Typical) 2900mAh@0.2C
Nominal Capacity(Minimum) 2750mAh@0.2C
Nominal Voltage 3.7V
Charging Voltage 4.2 V
Charging Method CC-CV (0.5C, 4.2V, 0.05C cut-off)
Standard Charge Current 0.5 C
Discharge Cut-off Voltage 2.75 V
Max Discharge Current 2C
Internal Resistance <28 mΩ(ACIR)
Cycle Life +0.5C/-1C Cap(1000th)/Cap(Av10)≥80%
Operating Temperature(surface temperature)
Charge: 0 to 50°C

Discharge: -20 to 60°C
LR20/AM1/SIZE D/1.5V
10Ω 4h/d 0.9V 120h
2.2Ω 1h/d 0.8V 23h
2.2Ω 4min/h,8h/d 0.9V 22h
600mA 2h/d 0.9V 14.8h
1.5Ω 4min/15h,8h/d 0.9V 12.5h
2.2Ω 24h/d 0.9V 17.5h
Radio Toy
Portable Lighting Fast test
Portable stereo

Sample Works

About of DMEGC's Li-ion 18650 battery

DMEGC Battery Branch as a China-based leading Li-ion 18650 battery manufacturer with over 20 years experience in this industry. With the fully automated assembly lines, in line automatic QC inspections, and the strictly controlled workshop environment.
OEM ODM Service
Our batteries have been adopted as OEM ODM or industrial products by a number of world famous companies.
We can customize the product and outlook label according to your requirement.
The best of all optimized electrochemical composition, the unique 4-pells cathode, and the reverse-buttoned lack proof cell structures, together with the imported fine materials, are all contributing to the products with excellent performances such as super high capacity, leakage free, long duration and environmental-friendly advantages.
No-Leak Guarantee
Each battery we made were passed QC inspections, with excellent performances such as super high capacity, leakage free, long duration and environmental-friendly.
We have passed the accreditation of ISO14001 Certification, ISO9001 Certification, China Environmental Labeling Product Certification, and International Standard Product Marking Certification.

We offer free Alkaline batteries for quality evaluation!

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