Rechargeable NiMH Solar Battery Panasonic U‑Series BK1100FHU 1.2V 12000mAh High‑Temperature

Panasonic U‑Series BK1100FHU is a rechargeable NiMH battery with a nominal voltage of 1.2 V and a capacity of 12000 mAh, developed for solar and off‑grid energy storage where high temperature performance and long cycle life are required. The cell is intended for continuous charge and discharge operation in applications such as solar lighting, remote sensors and backup power systems that operate in elevated ambient temperatures.

Advantages

The BK1100FHU offers high capacity for extended run times and is specified for stable operation at higher temperatures compared with standard NiMH cells. It supports repeated charge/discharge cycles, provides consistent nominal voltage of 1.2 V, and is optimized for solar charging systems and continuous duty in off‑grid installations.

Suitable for

• Solar garden and street lighting
• Remote sensors and telemetry devices
• Off‑grid backup power and energy storage
• Continuous charging/discharging systems in warm climates

Key specifications

• Chemistry: NiMH (Nickel‑Metal Hydride)
• Model: BK1100FHU (Panasonic U‑Series)
• Nominal voltage: 1.2 V
• Capacity: 12000 mAh
• High‑temperature rated for solar/off‑grid use
• Intended for continuous charge/discharge cycling
• MPN: BK1100FHU
• EAN: 2050005932781

How to use

Install the battery according to the device manufacturer’s instructions, observing correct polarity. Use a solar charge controller or charging system compatible with NiMH chemistry and set for continuous or cyclic operation as required by the installation. For best results, integrate the cell into systems designed for higher ambient temperatures and allow adequate ventilation or thermal management if installed inside enclosures.

Recommendations

For reliable long‑term performance, use the BK1100FHU in systems with charge regulation suited to NiMH cells, avoid deep discharge where possible, and follow Panasonic’s handling and safety guidelines. Regular inspection and maintenance of the charging system and connections will help preserve capacity and cycle life in hot environments.