Rechargeable Li‑ion battery ESTAR BL‑5C 4.2V 1000mAh for Talk/Mini devices

ESTAR rechargeable Li‑ion battery BL‑5C provides a nominal voltage of 4.2V and a capacity of 1000mAh, designed for Talk/Mini compatible phones and small electronic devices. This compact cell is intended as a direct replacement for original BL‑5C batteries, offering a slim form factor for straightforward installation and reliable portable power to extend device runtime between charges. The battery's chemistry and rated capacity make it suitable for everyday use and as a spare for travel or field use when original power sources are unavailable.

Advantages

The ESTAR BL‑5C battery delivers a balance of energy density and compact size, enabling longer operation compared with weaker cells of similar dimensions. Its rechargeable Li‑ion chemistry supports repeated charge cycles while maintaining steady output at the nominal 4.2V rating. The slim design and standard BL‑5C form factor allow direct fit in compatible phones and small devices without modification, providing a practical replacement option.

Suitable for

• Legacy Talk/Mini mobile phones using BL‑5C form factor batteries
• Small portable electronics and handheld devices compatible with 4.2V Li‑ion cells
• Users who need a spare or replacement battery for travel or extended use

Key specifications

• Battery type: Rechargeable lithium‑ion (Li‑ion)
• Nominal voltage: 4.2V
• Rated capacity: 1000mAh
• Form factor: BL‑5C compatible compact cell
• Intended use: Rechargeable power source for small phones and portable devices

How to use

Power off the device before replacing the battery. Remove the back cover and the original BL‑5C cell according to the device manufacturer’s instructions, then insert the ESTAR BL‑5C with correct polarity. Replace the cover and charge the battery using the device charger or an appropriate external Li‑ion charger until fully charged. Follow standard charging practices for Li‑ion batteries and observe device-specific guidelines for initial calibration if recommended.

Usage recommendations

Use only compatible chargers and avoid exposing the battery to extreme temperatures or moisture. Store the battery partially charged if not used for extended periods. Dispose of the battery according to local regulations for rechargeable cells.