18650 Li-ion battery is a lithium-ion rechargeable battery and is used in high drain applications due to its superior capacity and discharge rate. The first 4 digits of 18650 indicate its dimension, i.e. 18mmx65mm, and the last 5th digit indicates its shape, i.e. cylindrical. Li-ion batteries can usually boost a 300-500 charge cycle.
Features
- Small size and easy to use
- Great capacity and discharge rate
- Long life
Specification
- Minimum capacity: 1200mah
- Typical capacity: 1210mah
- Internal impedance: <1 ohm
- Standard voltage: 3.7V
- Overcharge voltage: 4.18V
- Over discharge voltage (under a constant load of 11.4Ohm/500mA)
- 0.01V voltage drop/3-min
- 0.2V voltage drop/60-min
- Final discharge voltage: 1.2V-3.73V = 2.53V (3.73V dropped to 2.53 in < 48 hrs max)
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