NL1840 4000mAh 18650 Rechargeable Li-ion Battery

NL1840 is a rechargeable lithium-ion battery designed for use in various electronic devices, particularly those that require high-capacity batteries. It has a rated capacity of 3.7 volts and 4000 mAh. The storage capacity is approximately 18.13 watt-hours (Wh). This energy storage capacity determines how long the battery can power a device before needing to be recharged.