Pack includes 4 batteries. These powerful Lithium-Ion 18650 batteries are designed for use with either of the Spyder laser series as well as other tech or laser applications. Ideal for every hobbyist or professional, the powerful 3.7 rechargeable batteries provide a good deal of power options and will keep your laser shining bright for hours on every charge.

Battery Features

- Lithium Ion 18650 cylindrical rechargeable batteries.
- 3.7V, high capacity: 2400mAh
- Internal PCB protects against under and over charging.
- Manufactured under ISO9001-2000 to assure quality.
- Battery tested according to International Electrotechnical Commission (IEC) standards.

Product Specifications

- Capacity: Nominal 2400 mAh, Minimum 2350 mAh
- Dimensions:
Diameter 18+/10.2 mm
Height 65+/- 0.2 mm
Weight (Typical) Approx. 46g
- Nominal Voltage: Average 3.7V
- Cut-off Voltage: 2.75V
- Internal Impedance: less or equal to 180 million hm (with PTC)
- Cycle Performance: 90% of initial capacity at 400 cycles
- Cycle life: >500 cycles
- Charge: Current = 0.5C mA Voltage = 4.2V
End Current = 0.01mA
- Discharge: Current = 0.5C mA End Voltage = 3.0V
- Max. Charging current: 1.5C mA
- Max. Discharging current 1.5C mA (for continuous discharge)