Rechargeable Battery Voltcraft HR03 SE NiMH 1100 mAh 1.2 V AAA size

Voltcraft HR03 SE is a rechargeable NiMH battery with a nominal voltage of 1.2 V and a capacity of 1100 mAh in AAA (HR03) size. Designed for repeated charging and discharging cycles, this cell is intended to replace disposable AAA batteries in small electronic devices. The chemistry and construction provide steady voltage under typical loads and compatibility with standard NiMH chargers.

Advantages

The rechargeable construction reduces waste and long-term cost compared with single-use alkaline cells. With 1100 mAh capacity in a compact AAA form factor, the battery offers a balance of run time and size suitable for portable devices. Its NiMH chemistry provides low self-discharge characteristics for many modern variants and safe operation within recommended charger specifications.

Suitable for

• Remote controls and key fobs
• Wireless mice and keyboards
• Toys and handheld games
• Portable LED lights and flashlights
• Small electronic gadgets and sensors

Key specifications

• Chemistry: Nickel-Metal Hydride (NiMH)
• Nominal voltage: 1.2 V
• Rated capacity: 1100 mAh
• Cell size: AAA / HR03
• Rechargeable: yes, compatible with standard NiMH chargers

How to use

Install the battery observing correct polarity markings in the device. Charge the cell using a charger specified for NiMH cells and follow the charger's instructions for charge current and termination method. Do not mix this rechargeable cell with non-rechargeable batteries in the same device. For best performance, allow a full charge cycle before first use and recharge when device performance noticeably decreases.

Usage recommendations

Store batteries in a cool, dry place and avoid exposure to high temperatures. Use chargers designed for NiMH chemistry and avoid overcharging by following recommended charge times or using a charger with automatic termination. Replace batteries in pairs when devices require multiple cells to ensure balanced performance.