Rollei camera flash accessory battery 20148 — Lithium‑Ion 850 mAh, 3.7 V

The Rollei camera flash accessory battery 20148 is a rechargeable Lithium‑Ion battery with an 850 mAh capacity and a nominal voltage of 3.7 V. It is designed as a direct replacement or spare power source for compatible Rollei flash units, enabling photographers to continue shooting without interruption. The compact battery offers portable energy for extended sessions and fast swaps in the field.

Advantages

This Rollei Li‑Ion battery provides a balance of capacity and compactness suitable for on‑camera and accessory flash use. Its rechargeable chemistry delivers consistent voltage during discharge, and the 850 mAh rating offers a predictable runtime for devices specified to accept this battery type. As a purpose‑built replacement, it simplifies servicing and reduces downtime by allowing quick battery swaps during shoots.

Suitable for

• Use as a spare or replacement battery for compatible Rollei camera flash accessories
• On‑location photography where portable, rechargeable power is needed
• Extended shooting sessions requiring quick battery swaps

Key specifications

• Chemistry: Lithium‑Ion (Li‑Ion)
• Capacity: 850 mAh
• Nominal voltage: 3.7 V
• Intended use: rechargeable power for compatible Rollei flash accessories
• Form factor: compact battery for portable flash units

How to use

Ensure the flash accessory is powered off before removing the depleted battery. Insert the fully charged Rollei battery 20148 into the battery compartment following the device's polarity markings and secure the compartment cover. After installation, power the flash accessory on and confirm normal operation. For replacement in the field, switch off the unit, swap batteries quickly to avoid exposing electronics, then power the unit on to resume shooting.

Usage recommendations

Charge the battery using a compatible charger designed for Lithium‑Ion cells and follow the flash unit manufacturer’s charging and storage guidelines. Store batteries in a cool, dry place and avoid extreme temperatures. Replace the battery if you notice significant capacity loss, swelling, or other signs of damage.