Polish version
2x 21700 Li-ion battery Samsung INR21700-40T 4000mAh - BOX / container
Packed in a reusable plastic box
high current - maximum discharge current 35A / (45A with thermal protection)
nominal voltage: 3.6V
Typical capacity: 4000mAh
dimensions: 21,1mm x 70,15mm
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TWO ORIGINAL 21700 Li-ion Samsung INR21700-40T batteries (without protection), 4,000mAh capacity with high maximum discharge current -35A/(45A with thermal protection).
The battery sold does not have electronic protection against overcharge and deep discharge.
Lithium batteries in sizes 18650 / 21700 with protection are available here.
REMARK!
When using lithium batteries, they should be used together with PCB protection systems or BMS battery management systems, which ensure the safety of their use - protect the cells against overcharging, overheating, excessive discharge and short circuit, as well as have a positive effect on their life.
Remember that by purchasing a cell without protection, you accept the reservation contained in the regulations point 6.7.
Precautions:
- to charge the battery, use high-quality chargers with a charging cut-off at a voltage not higher than 4.2V
- do not allow the battery to discharge below 2.5V
- do not discharge the battery with currents higher than those specified in the specification below
- do not charge the battery with currents higher than those specified in the specification below
- do not short-circuit the battery
- do not move with metal elements (risk of short circuit and burns)
- do not allow the battery to overheat above the temperatures provided by the manufacturer
- do not use batteries with damaged cover / foil
- do not use batteries with damaged or dented housing
- do not allow contact with water and other liquids
- do not solder plates or wires using a regular soldering iron
