Shankeshver Components

Model: INR 18650
Capacity: 2600 mAh
Chemistry: INR (Lithium Nickel-based, high drain)
Nominal Voltage: 3.7 V
Energy: ~9.62 Wh
Manufacturer marking: Chengxiang New Energy
Standard: IS 16046 (Indian safety standard marking)
Typical specifications (for this class)
Charge voltage: 4.2 V
Cut-off voltage: 2.5–2.75 V
Continuous discharge: usually 5–10A (depends on exact grade)
Recharge cycles: ~300–500 (practical use)
Common applications
LED emergency lights
Power banks
Solar lanterns
DIY battery packs
Low–medium drain electronics