Battery charger GP Batteries GP M451

The GP Batteries GP M451 battery charger is a compact household charger designed for AA and AAA rechargeable cells. It supports standard NiMH AA and AAA sizes and includes four AA rechargeable batteries rated at 2600 mAh. The unit features LED indicators that show charging progress, power presence, and charge status. With a 5V input and 1A charging current, the device charges cells to a nominal 1.4V and is sized for convenient storage and everyday use.

Advantages

The charger combines a small footprint with clear LED status indicators, enabling simple monitoring of the charging process. Its 5V input allows powering from common USB sources, while the included high-capacity AA batteries provide ready-to-use power for household devices. Compact dimensions make the charger easy to store or carry, and compatibility with both AA and AAA formats covers a wide range of consumer electronics.

Suitable for

• Recharging AA rechargeable batteries for cameras, toys, and remote controls
• Recharging AAA batteries for small electronics such as wireless mice and clocks
• Home use where a compact USB-powered charger is needed
• Users who prefer included rechargeable batteries for immediate use

Key specifications

• Supported battery sizes: AA and AAA (NiMH rechargeable cells)
• Included battery capacity: 2600 mAh (AA, four pieces included)
• Input voltage: 5 V (USB-compatible)
• Charging current: 1 A
• Charge termination voltage per cell: 1.4 V (nominal)
• Physical dimensions: 74 mm (width) × 68 mm (depth) × 26 mm (height)
• LED indicators for charging status, power, and completion

How to use

Place AA or AAA NiMH batteries into the charger respecting polarity markings. Connect the charger to a 5 V USB power source using an appropriate cable (not supplied unless stated otherwise). The LED indicators will illuminate to show power and charging status; leave the batteries in place until the indicator shows charge completion. Remove batteries after charging and disconnect the charger from the power source when not in use. Follow standard safety precautions for rechargeable batteries, including inspecting cells for damage before charging and avoiding exposure to extreme temperatures.

Recommendations

For best results, use the charger with the included AA 2600 mAh batteries or similar NiMH cells from the same capacity range. Charge batteries at room temperature and monitor LED indicators. Do not attempt to charge non-rechargeable (primary) batteries. Store the charger and batteries in a dry, cool place when not in use.