Unprotected Li-Ion Li-ion batteries should be used and handled with care by persons who are aware of the dangers of use!
Rechargeable LG INR 18650-HG2 Li-ion battery is not protected with a pcb Not for use in flashlights ! Don't charge above 4.2V ! Check the polarity before using or charging.! Keep distance from water. Storage : below 45 °C! Don't discharge below 3V! Please note: : Rechargeable Li-ion batteries should be used and handled with care and only by persons who understand the dangers posed.