Battery Charger GP Batteries ReCyko M451 USB NiMH AA AAA

The GP Batteries ReCyko M451 USB NiMH AA AAA is a compact USB-powered charger designed to charge up to four NiMH rechargeable batteries of AA or AAA size. It accepts a 5V USB input and provides a regulated charging output suitable for standard household rechargeable cells. The charger includes an LCD display and LED indicators that show charging status for each slot and overall progress, and its grey housing is intended for everyday home use.

Advantages

The unit supports simultaneous charging of four AA or AAA NiMH cells, combining a small footprint with USB power convenience. The integrated LCD and LED indicators provide clear visual feedback on charging stages and completion, while the 5V input makes it compatible with common USB power sources such as wall adapters, power banks or computer USB ports. The charger’s simple design and dedicated AA/AAA support make it suitable for regular household battery maintenance.

Suitable for

• Charging AA and AAA NiMH rechargeable batteries at home
• Maintaining spare batteries for remote controls, toys, and flashlights
• Using portable USB power sources such as power banks or USB chargers

Key specifications

• Battery chemistry: Nickel‑metal hydride (NiMH)
• Supported cell sizes: AA, AAA
• Number of cells supported: Up to 4 simultaneously
• Input: 5 V (USB)
• Output per cell: approximately 1.4 V charging output
• Indicators: LCD display and LED status indicators
• Colour: Grey

How to use

Connect the charger to a suitable 5V USB power source using an appropriate USB cable. Insert AA or AAA NiMH batteries into the slots, ensuring correct polarity. The display and LEDs will indicate the start of the charging cycle and show progress for each battery. Once the charger signals completion on the display or LEDs, remove the batteries. Do not leave batteries in the charger for prolonged storage after charging is complete unless specified by the manufacturer.

Recommendations

Use only NiMH AA or AAA rechargeable cells with this charger. For best results, charge batteries at room temperature and avoid charging damaged or leaking cells. When using USB power banks, ensure the power source can supply stable 5V output during the charging session. Store the charger and batteries in a dry environment away from direct heat and moisture.