Protected LG MJ1 18650 Battery Genuine & Tested - 10A 3500mAh - Button Top - Wholesale Discount


  • $ 7.95

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Stock Level:  In Stock

The new LG INR18650MJ1 3500 mAh is a really new 18650 battery cell that can handle fairly high drain applications (10A) while offering a massive 3500mAh.  As always we've done extensive testing to be sure they're real so you can be confident you've got the real thing.

These are manufacturered with a very high quality Seiko PCB with AO MOSFETs for 12-13A high current cutoff (most PCBs will not allow this much current).  This protection circuit protects the battery from mishandling, overcharge, or overdischarge while allowing the battery to do its job properly.

Full LG INR18650 MJ1 specification

Quick Specs:

  • Max Continuous Discharging Current: 10A
  • Typical Capacity: 3500 mAh (3400mAh minimum)
  • Style:  BUTTON top
  • Dimensions: 69.6mm length (±0.3mm) x 18.6 mm diameter (+0.1 / -0.3 mm)
  • Recommended discharge cut-off voltage: 2.5V
  • Voltage: 3.6V
  • Full Charge Voltage: 4.2V
  • Protected with Seiko PCB with AO MOSFETs for 12-13A high current cutoff
  • Origin:  South Korea


Battery safety is very important.  Mistreated batteries can get extremely hot and/or vent which could cause injury.  Always follow the following rules to make sure this doesn't happen.  We are not liable for mistreated batteries.


  • Never completely discharge batteries (below 2.5V under load or 3V unloaded).
  • Charge fully (to 4.2V) before first use.
  • Never use a lot of force on the battery to install
  • Use only high quality battery chargers.
  • Do not expose to heat.
  • Do not connect the positive contact to the negative contact without an appropriate load.  
  • Be mindful of the current limits in the specification and never exceed them.
  • Never keep a spare battery loose in a pocket, purse, etc.  Always use protective cases for loose batteries.  If it shorts against a piece of metal it can be very dangerous.
  • Never charge battery 4.3V or above.
  • Do not charge unattended.
  • Do not store your li-ion batteries fully charged for an extended period of time (weeks or more)
  • If you must store battery then do it in a case or individual box in cool and dry place at approximately 3.6V - 3.7V.
  • Never try to charge or discharge li-ion batteries with battery chargers that are not made for Li-ion batteries. 


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