18650 Li-ion Battery 3400 mAh LG INR18650 MJ1 - bulk packaging - 100 pieces

The sold battery does not have electronic protection against overcharging and deep discharge.
Lithium batteries in size 18650 with protection are available here.

WARNING!
When using lithium batteries, they should be used together with PCB protection circuits or BMS battery management systems, which ensure the safety of their use - protecting the cells from overcharging, overheating, excessive discharge, and short circuits, as well as having a positive impact on their lifespan.  

Remember that by purchasing a cell without protection, you accept the disclaimer contained in the regulations point 6.7.

Precautions:

• use high-quality chargers with a cutoff at a voltage no higher than 4.2V for charging the battery
• do not allow the battery to discharge below a voltage of 2.5V
• do not discharge the battery with currents higher than those specified below
• do not charge the battery with currents higher than those specified below
• do not short-circuit the battery
• do not carry with metal elements (risk of short circuit and burns)
• do not allow the battery to overheat above the temperatures specified by the manufacturer
• do not use batteries with damaged casing/film
• do not use batteries with damaged or dented housings
• do not allow contact with water and other liquids
• do not solder tabs or wires using a regular soldering iron