ORIGINAL Samsung 21700 Li-ion rechargeable battery INR21700-50E (unprotected), with a capacity of 5000 mAh and a maximum discharge current of 10 A


Packed in a reusable plastic box

High-current – maximum discharge current: 10 A
Nominal voltage: 3.6 V
Typical capacity: 5000 mAh
Dimensions: 20.25 mm x 70.8 mm


The battery sold does not have electronic protection against overcharging and deep discharge.

WARNING!
When using lithium batteries, they must be used together with PCB protection circuits or battery management systems (BMS) that ensure safe operation – they protect the cells against overcharging, overheating, excessive discharge and short circuits, and also have a positive effect on their service life.

Safety precautions:

- Use high-quality chargers with charging cut-off at a voltage not exceeding 4.2 V to charge the battery
- Do not allow the battery to discharge below 2.5 V
- 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 together with metal objects (risk of short circuit and burns)
- Do not allow the battery to overheat beyond the temperatures specified by the manufacturer
- Do not use batteries with damaged wrapping/film
- Do not use batteries with a damaged or dented casing
- Do not allow contact with water or other liquids
- Do not solder tabs or wires using a regular soldering iron
Model / manufacturer code
INR21700-50E
Nominal voltage [V]
3.60
Battery capacity [mAh]
5000
Minimum capacity [mAh]
4900
Charging current [A]
2.450
Maximum recommended charging current [A]
4.900
Maximum discharge current (continuous) [A]

10.00 (45 when using additional thermal protection)

Maximum charging voltage [V]

4.20

Minimum cut-off voltage [V]
2.50
Overcurrent protection activation threshold [A]
n/a
Diameter [mm]
20.25
Height [mm]
70.8
Weight [g / pc.]
69.0