VOLTCRAFT VC-AAA400USB USB-C Rechargeable Li-Ion AAA Batteries 400 mAh 1.5 V - 4 Pack

Power your everyday devices with the VOLTCRAFT VC-AAA400USB rechargeable AAA batteries. Ideal for wireless keyboards, remote controls, LED flashlights, and toys, this 4-pack delivers a constant 1.5 V output, ensuring consistent performance until fully discharged. Each battery features a built-in USB-C port for direct charging—no separate charger required. Simply plug into any USB-C cable and the integrated LED indicates charging status. With up to 1200 charge cycles and low self-discharge, these Li-Ion cells are a cost-effective and eco-friendly alternative to disposable alkaline batteries.

Key specifications

• Battery size: AAA
• Chemistry: Lithium-Ion (Li-Ion)
• Nominal voltage: 1.5 V (constant output)
• Capacity: 400 mAh (0.6 Wh)
• Charging interface: USB-C (per battery)
• Rechargeable: Yes, up to 1200 cycles
• Protection: Overcharge, over-discharge, short circuit
• Operating temperature: -20°C to +60°C
• Dimensions per battery: 10.5 mm diameter x 44.5 mm length
• Weight per battery: approx. 12 g
• Quantity: 4 batteries

Why choose it

These batteries eliminate the need for disposable cells, reducing waste and saving money over time. The USB-C charging port is built directly into each battery, making recharging convenient with any standard USB-C cable. The constant 1.5 V output means your devices perform optimally until the battery is empty, unlike NiMH batteries that drop voltage as they discharge. Built-in safety features protect against overcharging, over-discharging, and short circuits, ensuring long-lasting reliability.

Ideal use cases

• High-drain devices like wireless gaming mice and keyboards
• LED flashlights and headlamps for outdoor activities
• Remote controls and smart home sensors
• Children's toys and portable electronics
• Any device that uses standard AAA batteries

Good to know

Each battery charges individually via its USB-C port; a charging cable is not included. The LED indicator shows red while charging and turns green when fully charged. Store batteries in a cool, dry place when not in use. These batteries are not compatible with devices that require a voltage lower than 1.5 V or have reverse polarity protection issues. Always follow the manufacturer's instructions for your device.