Battery Tattu R-Line 550mAh 7.4V LiPo, 2S, model 53401

Tattu R-Line 550mAh 7.4V LiPo (model 53401) is a compact 2S rechargeable battery engineered for small drones, FPV equipment and lightweight RC models. With a nominal voltage of 7.4V and 550mAh capacity, the battery is intended to deliver the energy density and discharge capability required for high-performance micro applications where size and weight are critical. The pack is suitable as a flight battery, a spare or a test power source for development and tuning tasks.

Advantages

The battery offers a balance of capacity and compact dimensions to minimize added mass while providing sustained power for brief to moderate flight durations. Its 2S LiPo chemistry ensures predictable voltage under load, and the R-Line designation indicates a focus on performance-oriented characteristics suitable for FPV and racing micro platforms. Designed for easy installation in confined spaces, the battery supports common use cases that require a lightweight rechargeable power source.

Suitable for

• Small and micro drones for recreational or racing FPV
• Lightweight remote-controlled aircraft and helicopters
• FPV gear and on-board electronics testing
• Replacement flight packs where compact size is required

Key specifications

• Nominal voltage: 7.4 V (2S)
• Rated capacity: 550 mAh
• Chemistry: Lithium Polymer (LiPo)
• Physical format: compact 2-cell pack suitable for micro applications

How to use

Install the Tattu R-Line 550mAh 7.4V LiPo into the model's battery bay or mount point ensuring correct polarity and secure connector seating. Charge the battery using a compatible LiPo balance charger, following the charger manufacturer’s instructions for 2-cell LiPo packs and observing recommended charge current limits for a 550mAh cell. After charging, connect the battery to the model’s power system and verify stable voltage and connector fit before operation.

Usage recommendations

Use a proper LiPo balance charger and charge at a safe current (commonly up to 1C for routine charging) while monitoring temperature. Store the battery at a partial charge if not used for extended periods and inspect for physical damage or swelling before each use. Follow standard LiPo handling, storage and disposal guidelines to maintain safety and pack longevity.