DELL 7FR5J laptop spare part Battery

The DELL 7FR5J battery is a high-capacity rechargeable lithium-polymer power pack designed for select Dell Inspiron laptops. It provides a reliable source of portable power with a capacity of 6460 mAh and a slim black housing that fits the original battery compartment. The design focuses on stable voltage output and compatibility with sleep/charge management systems used by Dell laptops, enabling extended run time for daily tasks and mobility needs.

Advantages

This lithium polymer battery delivers long-lasting runtime thanks to its 6460 mAh capacity and maintains stable performance across typical charge cycles. The compact black casing matches the laptop chassis and is engineered for direct fit with compatible Inspiron models. Quick recharge capability and consistent power output help reduce interruptions during work, study, or travel.

Key specifications

• Battery technology: Lithium Polymer (LiPo)
• Nominal capacity: 6460 mAh
• Color: Black
• Form factor: Rechargeable pack designed for internal laptop installation
• Compatibility: Designed for specified Dell Inspiron E5250/E5270/E5450/E5470/E5550/E5570 models

How to use

Power off the laptop and follow the manufacturer’s instructions for battery removal and installation. Install the DELL 7FR5J battery into the battery compartment until it seats securely, then reconnect any retaining screws or latches. Charge the battery using the laptop’s original AC adapter until fully charged before first use. Monitor the operating system battery indicator to verify correct installation and charge status.

Recommendations

For optimal lifespan, avoid deep discharges and store the battery at around 40–60% charge if not used for extended periods. Use the laptop’s power management settings to reduce unnecessary drain, and always use a compatible charger. Replace the battery if you observe significant capacity loss, swelling, or abnormal heat during charge or discharge.