Chemistry: Lithium-ion (Li-ion)
Model: Samsung 40T (INR21700-40T)
Nominal Voltage: 3.6 volts
Nominal Capacity: 4000mAh (milliampere-hours)
Minimum Capacity: 3900mAh
Continuous Discharge Rating: 35A (amps)
Maximum Discharge Rating: 45A for short bursts
Chemical Composition: Lithium Nickel Manganese Cobalt Oxide (NMC)
Size: 21mm diameter, 70mm length (21700 form factor)
Caution:
- Never solder on cells
- Keep batteries away from fire and out of reach of children
- Do not use damaged chargers.
- Improper use or short-circuiting of Li-ion batteries can result in fire or explosion.
- Always ensure proper connection of the positive (+) and negative (-) terminals