Rechargeable AAA Ni‑MH batteries Panasonic eneloop BK‑4MCDE/4BE, 800 mAh, pack of 4

Panasonic eneloop BK‑4MCDE/4BE are rechargeable AAA (R03) Ni‑MH batteries with a nominal capacity of 800 mAh supplied as a pack of four. Designed for everyday portable electronics, these cells deliver stable voltage and low self‑discharge, maintaining usable charge after long storage. They are precharged and ready for use after initial charging, and support multiple charge cycles for repeated use in household and office devices.

Advantages

These eneloop AAA Ni‑MH batteries combine consistent performance with low self‑discharge characteristics, which helps retain capacity during periods of inactivity. The 800 mAh capacity offers a balance between runtime and compact size suitable for AAA applications. Rechargeable construction reduces waste and long‑term cost compared with single‑use cells. Their stable voltage output supports reliable operation of sensitive electronics.

Suitable for

• TV and media remotes
• Wireless computer mice and keyboards
• Battery‑powered toys and handheld games
• Portable audio players and small radios
• Compact digital cameras and LED flashlights

Key specifications

• Cell type: Nickel‑Metal Hydride (Ni‑MH)
• Size: AAA (R03)
• Nominal capacity: 800 mAh
• Configuration: pack of 4 rechargeable cells
• Low self‑discharge design for prolonged storage
• Precharged and ready for initial use

How to use

Insert the batteries following the polarity markings in the device battery compartment. Use a compatible Ni‑MH charger and follow the charger manufacturer’s instructions for charging times and procedures. Allow batteries to cool to ambient temperature after charging before use. For best results, charge batteries fully before first use if stored for extended periods and recharge them when device performance indicates reduced runtime.

Usage recommendations

Store batteries in a cool, dry place away from direct heat sources. Avoid mixing eneloop batteries with new or different chemistry cells in the same device. If devices will be unused for long periods, remove the batteries to prevent possible leakage or discharge. Periodically cycle charge and discharge to maintain optimal performance over many cycles.