Description

Enjoy hassle-free charging and reliable power with the Wurkkos 18650 3000mAh USB rechargeable lithium-ion battery – a convenient flat-top cell with built-in USB charging port, sold as 1 battery per pack for easy singles, spares, or replacements. This battery combines a normal capacity of 3000mAh (minimum 2800mAh) at 3.6V with integrated USB charging, allowing direct plug-in recharging from any USB source without needing a separate charger.

The flat-top design ensures compatibility with a wide range of 18650 flashlights and devices, while the built-in USB port (supporting 1.3–2A charging current) delivers fast, practical charging in about 2 hours ±1 hour. A clear LED indicator shows red during charging and green when fully charged, making status monitoring simple and intuitive.

Key specifications:

• Battery type: 18650 with built-in USB charging
• Nominal voltage: 3.6V
• Normal capacity: 3000mAh
• Minimum capacity: 2800mAh
• Impedance: ≤50mΩ
• USB charging current: 1.3–2A
• USB charging time: 2H ±1H
• Charging status: Red indicator light (charging), Green indicator light (full)
• Continuous discharge current: 10A maximum (instantaneous up to 15A)
• Dimensions: Height 70.7 mm ±0.5 mm, Diameter 18.85 mm ±0.15 mm
• Anode height: 0.8 mm ±0.2 mm
• Anode diameter: 6 mm ±0.10 mm

This USB-rechargeable 18650 cell is perfect for users seeking convenience in the field, travel, or daily carry – charge via laptop, power bank, or wall adapter anytime, anywhere. It supports solid 10A continuous discharge (peaks to 15A), making it suitable for moderate to high-drain LED flashlights while maintaining safety and longevity.

Important safety and usage notes: Charge only via the built-in USB port with a standard 5V USB source (avoid exceeding 2A). Do not use damaged cables or ports. Never short-circuit, puncture, crush, over-discharge, or expose to water, extreme heat, or fire. Use in flashlights with appropriate protection circuits (recommended for higher-discharge use). Store partially charged in a cool, dry place. Monitor initial charges for normal behavior.

Note: This listing is for 1 battery per pack – ideal for individual use or building your collection.

Convenient USB charging meets high-capacity performance – the Wurkkos 18650 3000mAh USB battery offers easy recharging, solid power, and everyday reliability in one compact cell!