The Topvalu HR-4UAE is a Topvalu-branded rechargeable AAA nickel-metal hydride (NiMH) battery based on the widely used HR-4U cell design, which is produced by manufacturers like FDK.
Key Specifications
- Chemistry: Nickel-metal hydride (NiMH)
- Size / Form Factor: AAA (equivalent to IEC standard HR03)
- Nominal Voltage: 1.2 V
- Typical Capacity: 900–1000 mAh (varies by specific model, with typical values commonly around 900 mAh or 1000 mAh)
- Dimensions: 10.5 mm diameter × 44.5 mm height
- Weight: Approximately 13 g
- Internal Resistance: Approximately 40 mΩ (measured at 1 kHz after discharging to 1.0 V)
- Operating Temperature: 0 °C to 40 °C for charging, and 0 °C to 50 °C for discharging
Minor variations may exist across different production batches or rebranded versions.
Compatible Devices and Applications
The Topvalu HR-4UAE is a standard AAA battery, making it suitable for any device that uses conventional AAA alkaline or NiMH batteries. Common applications include:
- Remote controls (TVs, air conditioners, audio equipment)
- Wireless computer peripherals (mice, keyboards)
- Toys and electronic games
- Flashlights and small LED lights
- Portable audio players, digital thermometers, clocks, and calculators
- Certain camera accessories or low-power medical devices, such as select blood pressure monitors
It is not intended for high-drain equipment that requires specialized high-current batteries or lithium-ion cells, unless the device manufacturer explicitly approves the use of NiMH AAA batteries. Always verify battery polarity, physical dimensions, and charger compatibility before use.