Always use a battery charger that is rated for Li-ion cells
Batteries should never be left charging unattended
Batteries should never be loose in pocket or bag (use case provided)
All lithium batteries have a cycle-life, however, a battery should be replaced every 2 years – whichever comes first.
Never continue to use a battery with a broken PVC wrap.
Never completely discharge batteries
Do not expose to extreme heat
Introducing the latest in innovation by EFEST - the all new Efest 18650 2500mah 35AMP provides longer lasting charge time for all your portable electronic device needs. This is a super high quality ultra efficient set of 18650 batteries in the market.
The IJOY 21700 High Drain Rechargeable Battery comes with a 3750mAh battery capacity and 40A max continuous discharging current. It can be used with the most 21700 regulated and mechanical MODs. Long storage life, light weight and high energy density. Get it as a spare so you never have to stop vaping!