Factory Direct 3.7v Li Ion Battery 2200mah

GMCELL Super 18650 industrial batteries

  • These polymer batteries are ideal for efficiently powering professional equipment with low energy consumption, ensuring consistent, reliable current delivery over extended periods of time. Some examples of such devices include game controllers, cameras, Bluetooth keyboards, toys, security keyboards, remote controls, wireless mice, motion sensors, and more.
  • Conserve valuable business resources and minimize expenses with our consistent, high-quality products backed by a generous one-year warranty.

Lead Time


1~2 days for exiting brands for sample


5~7 days for OEM samples


25 days after confirming order



18650 2200mah


Shrink-wrapping, Blister card, Industrial package, Customized package



Shelf Life:

1 years


MSDS, UN38.3, Safe Transport Certification

OEM Brand:

Free Label Design & Customized packaging


Product Features

  • 01 detail_product

    LARGE CAPACITY: Generally speaking, the capacity range of 18650 lithium battery is between 1800mAh and 2600mAh.

  • 02 detail_product

    LONG SERVICE LIFE: Under typical use, these batteries can last more than 500 cycles, more than double that of conventional batteries.

  • 03 detail_product

    HIGH SAFETY PERFORMANCE: The battery adopts a positive and negative separation design, which effectively reduces the risk of short circuit.

  • 04 detail_product

    NO MEMORY EFFECT: There is no need to completely drain the battery before charging, which is more convenient to use.

  • 05 detail_product

    SMALL INTERNAL RESISTANCE: Compared with traditional liquid batteries, the internal resistance of polymer batteries is lower, and the internal resistance of domestic polymer batteries even reaches below 35mΩ.

GMCELL Super 18650


Product Specification

  • Nominal Capacity:2200mAh
  • Minimum Capacity:2150mAh
  • Nominal Voltage:3.7V
  • Delivery Voltage:3.70~3.9V
  • Charge Voltage:4.2V±0.03V
NO Items Units: mm
1 diameter 18.3±0.2
2 Height 65.0±0. 3

Cell Specification

No. Items Specifications Remark
1 Nominal Capacity 2200mAh 0.2C Standard discharge
2 Minimum Capacity 2150mAh
3 Nominal Voltage 3.7V Mean Operation Voltage
4 Delivery voltage 3.70~3.9V Within 10 days from Factory
5 Charge Voltage 4.2V±0.03V By standard charge method
6 Standard charging method 0.2C constant current,4.2V constant voltage charge to 4.2V,continue charging till current decline to ≤0.01C
7 Charge current 0.2C 440mA Standard charge, charge time about6h(Ref)
0.5C 1100mA Rapid Charge, charge time about:3h(Ref)
8 Standard discharging method 0.5C constant current discharge to3.0V,
9 Cell Internal Impedance ≤60mΩ Internal resistance measured at AC1KHZ after 50% charge

Cell Specification

No. Items Specifications Remark
10 Maximum charge current 0.5C 1100mA For continuous charging mod
11 Maximum discharge current 1C 2200mA For continuous discharge mod
12 Operation Temperature and relative humidity Range Charge 0~45℃60±25%R.H. Charging a battery at extremely low temperatures (eg, below 0°C) will result in decreased capacity and shortened battery cycle life.
Discharge -20~60℃60±25%R.H.
13 Storage temperature for a long time -20~25℃60±25%R.H. Batteries should not be stored for more than six months. It is important to charge the battery at least once after six months of storage. Also, if the battery has a protection circuit, it should be charged every three months during storage.

Cell Electrical Characteristics

No Items Test Method and Condition Criteria
1 Rated Capacity at 0.2C(Min.)0.2C After the battery is fully charged, it should be discharged at a rate of 0.2C until the voltage reaches 3.0V to determine its capacity. ≥2150mAh
2 Cycle Life The battery should be charged at a rate of 0.2C until it reaches a voltage of 4.2V. It should then be discharged at a rate of 0.2C until the voltage drops to 3.0V. This charge and discharge process should be repeated continuously for 300 cycles, and the capacity of the battery should be measured after these 300 cycles. ≥80% of initial capacity
3 Capacity retention To ensure optimum performance, the battery should be charged under standard charging conditions within the temperature range of 20-25°C. After charging, it should be stored for 28 days at an ambient temperature of 20-25°C. On the 30th day, discharge at a rate of 0.2C at a temperature of 20-25°C, and measure the holding capacity of the battery. Retention capacity≥85%



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Period of Warranty

The period of warranty is one year from the date of shipment. Great Power guarantees to give a replacement in case of cells with defects proven due to manufacturing process instead of the customer abuse and misuse.

Storage of the Batteries

The batteries should be stored at room temperature, charged to about 30% to 50% of capacity.

We recommend that batteries be charged about once per half a year to prevent over discharge.

Other The Chemical Reaction

Because batteries utilize a chemical reaction, battery performance will deteriorate over time even if stored for a long period of time without being used. In addition, if the various usage conditions such as charge, discharge, ambient temperature, etc. are not maintained within the specified ranges the life expectancy of the battery may be shortened or the device in which the battery is used may be damaged by electrolyte leakage. If the batteries cannot maintain a charge for long periods of time, even when they are charged correctly, this may indicate it is time to change the battery.

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