Rechargeable Li-ion battery No name ARB-L18 (18350, 1600 mAh, 3.6 V)

Rechargeable Li-ion battery No name ARB-L18 (18350, 1600 mAh, 3.6 V) is a compact cylindrical cell designed for devices that accept 18350-format batteries. The cell provides a nominal capacity of 1600 mAh and a nominal voltage of 3.6 V. It integrates a USB charging interface that allows recharging the cell directly without an external charger, making it suitable for small flashlights, portable electronics and other compact devices where space and convenient charging are important.

Advantages

The integrated USB charging interface eliminates the need for a separate charger, simplifying maintenance and reducing accessory clutter. With a 1600 mAh nominal capacity in an 18350 size, the cell offers a balance of compact dimensions and usable runtime for many handheld applications. The nominal 3.6 V chemistry delivers consistent voltage suitable for devices designed for lithium-ion cells. The compact cylindrical form factor and standard 18350 dimensions ensure compatibility with a wide range of flashlights and small electronic devices that accept this size.

Suitable for

• Compact flashlights and tactical lights using 18350 cells
• Portable electronics and handheld devices with compatible battery bays
• USB-rechargeable gadgets where integrated charging reduces the need for external chargers
• Backup power for small sensors, modules, or DIY projects that accept 18350 cells

Key specifications

• Cell format: 18350 cylindrical
• Nominal capacity: 1600 mAh (typical)
• Nominal voltage: 3.6 V
• Chemistry: Lithium-ion (Li-ion)
• Integrated charging: USB charging interface built into the cell
• Intended use: Rechargeable single-cell applications in compact devices

How to use

Insert the cell into the device following the correct polarity markings indicated on the device. To recharge the cell, connect a USB cable to the integrated USB charging port on the battery and attach the other end to a suitable USB power source such as a USB wall adapter, power bank or computer USB port. Observe the device or battery charging indicators and disconnect the USB cable when charging is complete. Use only devices and chargers compatible with lithium-ion cells, and ensure contacts are clean and undamaged before use.

Usage recommendations

Store and charge the battery in a dry, well-ventilated area away from extreme temperatures. Avoid exposing the cell to moisture, direct heat sources or mechanical damage. Do not attempt to disassemble, puncture or short-circuit the cell. If the battery becomes hot, emits unusual odor, or shows signs of damage, stop using it and dispose of it in accordance with local regulations for lithium-ion batteries.