Laptop battery Green Cell for ASUS A555 F555 K555 R556 X555, LiPo 4000 mAh, 7.6 V, 4 cells, black

Green Cell C21N1347 is a replacement laptop battery compatible with ASUS models A555, A555L, F555, F555L, F555LD, K555, K555L, K555LD, R556, R556L, R556LD, R556LJ, X555 and X555L. Built with Green Cell lithium-ion cells and modern control electronics, this battery provides reliable capacity, stable performance and electronic protection for safe operation. The pack is black, uses Lithium Polymer (LiPo) technology and has a nominal capacity of 4000 mAh, making it suitable as a long-lasting replacement for the original ASUS battery.

Advantages

The battery delivers genuine capacity and durability through Green Cell Li-ion cells selected for long cycle life and reduced memory effect. Integrated control electronics ensure smooth communication with the laptop and a full range of protections against overcharge, over-discharge and short circuits. The model is precisely designed to match the specified ASUS laptop series for stable performance and safe fit.

Suitable for

• Replacing a worn or faulty battery in ASUS A555/F555/K555/R556/X555 series laptops
• Restoring mobility for users who need unplugged use during meetings, travel or remote work
• Keeping a spare battery for extended use away from power outlets

Key specifications

• Model: Green Cell C21N1347 (MPN: AS70, EAN: 5902719425738)
• Compatibility: ASUS A555, A555L, F555, F555L, F555LD, K555, K555L, K555LD, R556, R556L, R556LD, R556LJ, X555, X555L
• Battery technology: Lithium Polymer (LiPo)
• Capacity: 4000 mAh
• Colour: Black

How to use

Turn off the laptop and disconnect the power adapter. Remove the existing battery following the laptop manufacturer’s instructions, then insert the Green Cell C21N1347 ensuring correct alignment and secure connection. Reconnect the power adapter and charge the battery fully before first use. After installation, check system battery status in the operating system to confirm proper recognition.

Recommendations

For longest service life, 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 follow recycling instructions for end-of-life battery disposal.