Fujitsu FUJ:CP700280-XX kannettavan tietokoneen varaosa akku

The Fujitsu FUJ:CP700280-XX battery is designed for LIFEBOOK A357 laptops, providing a reliable replacement power source. With a nominal capacity of 4500 mAh and a black housing, this battery restores mobile operation time and supports typical laptop workloads such as office applications, web browsing and video playback. The cell technology and built-in protection circuits ensure stable voltage delivery and reduce risks associated with overcharge and short circuits.

Advantages

This replacement battery delivers consistent runtime comparable to original equipment by using high-quality cells calibrated for laptop use. The construction includes safety features that help prevent overcurrent and temperature-related issues, and the compact black pack maintains the laptop's original form factor and fit. Installation does not require special tools or modifications.

Suitable for

• Extending mobile runtime for LIFEBOOK A357 laptops
• Replacing a worn or failing internal battery
• Using as a spare battery for travel or field work
• Typical everyday tasks: office work, web browsing, media playback

Key specifications

• Battery type: rechargeable lithium-based pack suitable for notebook use
• Capacity: 4500 mAh
• Colour: black
• Form factor: laptop-compatible battery pack designed for external replacement
• Protection: integrated circuitry for overcharge, overdischarge and short-circuit prevention

How to use

Power down the LIFEBOOK A357, disconnect the mains adapter and remove the existing battery following the laptop manufacturer's instructions. Insert the replacement battery into the battery bay until it seats securely and reconnect the adapter. On first use, charge the battery fully before unplugging to achieve correct state-of-charge calibration. Use the operating system battery management tools to monitor charge level and health.

Recommendations

Store the battery at moderate temperature and partial charge if not used for extended periods. Avoid exposure to high heat, liquid, or impact. For optimal lifespan, maintain regular charge cycles and avoid deep discharges when possible. Dispose of the battery according to local electronic waste regulations.