VOLTCRAFT Special Battery 18650 Flat-Top Li-Ion 3.6 V 3000 mAh 1 pc (VC-17665990)

For hobbyists building a high-drain flashlight or replacing the cell in a cordless tool, the VOLTCRAFT VC-17665990 delivers dependable power in a standard 18650 size. This flat-top lithium-ion cell offers a nominal 3.6 V and 3000 mAh capacity, making it a solid choice for devices that demand consistent output.

Key specifications

• Chemistry: Lithium-Ion (Li-Ion)
• Form factor: 18650
• Nominal voltage: 3.6 V
• Capacity: 3000 mAh
• Energy content: 10.8 Wh
• Terminal type: Flat-top
• Rechargeable: Yes
• Max charging voltage: 4.2 V
• Recommended charge current: 1.5 A
• Max continuous discharge current: 5 A
• Charging method: CC/CV
• Integrated protection circuit: No
• Cycle life: 300–500 cycles
• Discharge temperature range: -20 to 60 °C
• Charge temperature range: 0 to 45 °C
• Self-discharge rate: <5% per month

Why choose it

The flat-top design ensures compatibility with devices that require a buttonless positive terminal, such as many battery packs and high-performance flashlights. With a stable 3.6 V output and 3000 mAh capacity, it provides a good balance of runtime and power. The cell is built to handle up to 500 charge cycles, offering long-term value for repeated use.

Ideal use cases

• DIY electronics projects
• High-power LED flashlights
• Portable power banks
• Replacement for worn-out 18650 cells in compatible devices

Good to know

This battery does not include a protection circuit, so it should be used with a device or charger that provides overcharge, over-discharge, and short-circuit protection. Always follow the recommended charge current of 1.5 A and never exceed the maximum voltage of 4.2 V. Store in a cool, dry place and avoid extreme temperatures to maintain performance.