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LG18650 MJ1 High-Drain 10A/20A High Discharge 3.7V 3500mAh Rechargeable Lithium Battery (Button Top)


Out of stock

This is a custom-made LG MJ1 18650 3500mAh 10A Continuous High-Discharge Battery with button top. Having a button top allows the cell to run on lights or devices which do not accept flat top cells. Provides more power for your lights

Used on: Flashlights with high amperage needs

Note Jun 2020: Latest version of LG MJ1 looks different from picture above, new ones have a LG Chem warning near the bottom of the battery

New Jun 2020: Prices have been lowered to S$14/pc to pass on savings to our customers


Nominal Capacity: 3500 mAh
Nominal Voltage: 3.6V
Discharge End Voltage: 2.5V
Standard Charging Current: 1A
Max Charging Current: 4A
Charging Voltage: 4.20+-0.05V
Max. Continuous Discharging Current: 10A
Internal Resistance: <20 milliohms
Dimensions: 65.20mm (L) x 18.50 mm (D)
Weight: 48.0g


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
3 Months Limited Warranty