Rechargeable Camera Battery Travor SB2391 for Nikon EN-EL21

Travor SB2391 is a rechargeable camera battery compatible with Nikon EN-EL21 models. It is designed as a direct replacement or spare power source for cameras that use the EN-EL21 battery type, providing additional runtime for still photography, continuous shooting and video recording. The battery supports photographers who require reliable backup power during travel, extended shoots, or fieldwork.

Advantages

The battery delivers a compact, lightweight power solution that matches the form factor and electrical characteristics of Nikon EN-EL21 batteries, enabling seamless operation without modification. It offers a rechargeable design that reduces the need to carry disposable cells, and its straightforward compatibility simplifies swapping during shoots. The construction aims to provide stable voltage output for consistent camera performance throughout the battery cycle.

Suitable for

• Photographers needing a spare or replacement battery for Nikon cameras using EN-EL21
• Extended photo sessions, events, and travel where additional power is necessary
• Video recording and continuous shooting that demand longer runtime
• Fieldwork and outdoor photography where on-hand backup is important

Key specifications

• Type: Rechargeable lithium-ion camera battery
• Form factor: Compact battery designed to fit EN-EL21 battery compartment
• Compatibility: Intended for camera models that accept EN-EL21 batteries
• Usage: Replacement or spare power source for stills and video

How to use

Charge the battery using a compatible charger before first use and after extended storage. Insert the battery into the camera’s battery compartment following the orientation markings; ensure the compartment door is securely closed. Monitor the camera’s battery indicator for remaining charge and replace or recharge the battery when the indicator shows low power. For long-term storage, partially charge the battery and store it in a cool, dry place to help preserve capacity.

Usage recommendations

Use the battery with cameras explicitly listed as compatible with the EN-EL21 type. Avoid exposing the battery to extreme temperatures, moisture, or physical damage. For best results, cycle the battery periodically and use a charger designed for lithium-ion camera batteries. Dispose of batteries according to local regulations for electronic waste.