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Efest IMR 18650 High-Drain 20A/35A Discharge 3.7V 3000mAh Rechargeable Lithium Battery (Flat Top)

Calculated at Checkout

This is the upgraded version of the Efest IMR 18650 2800mAh/2900mAh batteries. Now featuring a higher capacity of 3000mAh & continuous discharge of 20A. Pulse discharge is 35A

New Jun 2020: Prices have been lowered to S$15/pc to pass on savings to our customers



Typical/Minimum Capacity: 3000mAh

Max Continuous Discharge: 20A

Max Pulse Discharge: 35A

Type: IMR High Drain Flat Top; Unprotected

Lifespan: 300th cycle: >60% of 1st capacity @ 25 degrees celsius 

Weight: 55g

Length: 65.2mm

Diameter: 18.5mm

Temperature range: -20~+60 ºC 

Monthly Self-discharge rate: ≤ 0.5% 

Temperature range: Discharge: -20~+60 ºC, Charge: 0~45 ºC



Regarding Exchanges/Warranty

Due to the nature of this consumable product, no returns/exchanges with this product or other replacements are allowed unless the product is DOA

Warranty coverage will be 3 Months Full Warranty (against explosions/leakage/venting) unless battery has been found to be pushed beyond its stated specs, misused or overdischarged 



  • CAUTION: when working with Li-ion cells, they are very sensitive to charging characteristics and may explode if mis-handled
  • User should have enough knowledge on Li-Ion rechargeable batteries in charging, discharging,and assembly before use
  • Put the batteries in fire-proof container when bringing them out or when they are not in use
  • Do not put batteries on wood surface, carpets or flammable materials when charging
  • Never leave battery un-attended when charging (especially overnight)
  • We are not responsible for any damage(s) to property or injuries if there is any modification of the batteries in form, shape, or when made into packs
  • We are not reponsible for any damage(s) to property or injuries arising from possible explosions, leaks or fires resulting from the use or misuse/mishandling of these Li-Ion batteries
6 Months Full 1-1 Exchange Warranty