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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: JK
  • Model Number: 18650
  • Type: Li-Ion
  • Nominal Voltage: 3.7v
  • Size: AA, 18650
  • Nominal Capacity: 3000mAh
  • Package: Bag,roll,box,carton,pallet
  • Processor manufacture: jk-energy development
  • Delivery: 5-25 days
  • Environment: Non-toxic
  • Free samples: Available
  • Cycle time: More than 500 times
  • Warranty: One year
  • OEM: Accept
  • Battery Type: Cylindrical rechargeable lithium-ion battery

Packaging & Delivery

Packaging Details standard export package
Delivery Time 5-25 days after order

Full capacity li ion aa 18650 3.7v rechargeable battery 2000mah to 3000mah

Product Description


Battery Detail
1VoltageCharge voltage4.20V 
Maximum charge voltage4.25V 
Discharge cut-off voltage3.00V 
Normal Voltage3.70V 
2CurrentStandard charge current0.2C
Maximum charge current1.0C
Standard discharge current0.2C
Maximum discharge current1.0C
3Typical rated capacity2000mAh @ 0.2C dischargeRecofmmended cut off voltage: 3.00V
4Minimum rated capacity1950mAh @ 0.2C discharge
5Weight50G approximately 
6Internal resistanceLess than 60 mΩ 
6Battery dimensions as following drawing:


          Cell dimensions [All unit in mm, not in scale]






Description (ø×H)Specification
ADiameter18±0.3 mm
BHeight64.5±0.5 mm


Product application





                       Battery discharge figure

                          Battery charge figure

Operating temp


Humidity range

Charge: Temp 0~45℃, humidity 85% RH
Cell surface tempCharge current
Discharge: Temp -10℃~55℃, humidity 85% RH
2Storage tempLess than 1 monthTemp -10℃~45℃
Less than 6 monthTemp -10℃~35℃
RecommendedTemp -10℃~25℃


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Company Information


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China (Mainland)
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26 Transactions 270,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
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Supplier's Trade Assurance Limit: US $159,000
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