GP USB Battery Charger for AA/AAA NiMH Rechargeable Batteries, 4 Slots, Micro USB Input, LED Indicators (Model GPRCHCHB441U066)

Keep your AA and AAA NiMH rechargeable batteries ready for everyday devices with this GP USB battery charger. Ideal for home or office use, it charges 2 or 4 batteries simultaneously via a standard USB power source, such as a wall adapter, power bank, or computer USB port. The charger features two LED indicators that turn red while charging and green when batteries are full, so you always know the status at a glance.

Key specifications

• Compatible battery chemistry: NiMH (Nickel-Metal Hydride)
• Compatible battery sizes: AA, AAA
• Number of charging slots: 4
• Simultaneous charging: 2 or 4 batteries
• Input voltage: 5V DC
• Input current: 1A
• Input connector: Micro USB
• Output current (AA): 200mA per slot
• Output current (AAA): 100mA per slot
• Charging indicators: 2 x LED (red for charging, green for full)
• Safety features: auto power cut-off (timer), reverse polarity protection, short circuit protection, primary battery detection
• Power source: USB
• Included cable: USB to Micro USB cable
• Approximate charging time (AA 2000mAh): 10 hours
• Approximate charging time (AAA 800mAh): 8 hours
• Operating temperature: 0°C to 45°C

Why choose it

This charger is a reliable and safe way to recharge your NiMH batteries. Its built-in safety features protect against overcharging, reverse polarity, and short circuits, while the primary battery detection prevents charging of non-rechargeable batteries. The compact design and USB power input make it convenient for travel or use with various USB power sources.

Ideal use cases

• Charging batteries for wireless keyboards and mice
• Powering remote controls, toys, and flashlights
• Keeping spare batteries ready for digital cameras and portable audio devices
• Use in offices, homes, or while traveling with a USB power bank

Good to know

The charger is designed for NiMH batteries only and should not be used with other chemistries. It charges batteries in pairs (2 or 4) and does not support charging a single battery. The included USB to Micro USB cable allows connection to a wide range of USB power sources.