The Movano B21N1818 replacement battery for Asus VivoBook 15 A512/R512/X512 laptops offers reliable performance, long runtime, and safe operation thanks to modern Li-Ion cells and integrated BMS protection. An ideal choice for anyone who wants to restore their laptop’s mobility and keep working without the power outlet.
The Movano B21N1818 battery is a high-quality accumulator designed for selected Asus VivoBook 15 models. It uses modern lithium-ion (Li-Ion) cells for stable voltage and efficient operation. Thanks to smart charging control electronics, the battery is designed with an emphasis on safety and long service life.
Main advantages of the Movano B21N1818 battery:
- Full compatibility – designed for specific laptop series, precise fit and trouble-free operation.
- Long lifespan – up to 500 charge cycles without significant capacity loss.
- Modern Class A cells (Zhuoneng) – stable performance, longer work time on a single charge, and high energy efficiency.
- BMS safety protection – protection against overheating, overvoltage, overload, and deep discharge.
- No memory effect – can be recharged at any time without negatively affecting capacity.
- Low self-discharge – retains energy even during longer periods of non-use.
- Excellent price/performance ratio – a high-quality alternative to the original battery.
- Environmentally friendly – compliant with RoHS and CE standards.
Warranty:
- 12 months warranty on cells
- 24 months warranty on electronics and casing
Specifications
- Battery type
- Li-Ion (lithium-ion)
- Model / designation
- B21N1818
- Capacity
- 4150 mAh
- Energy
- 32 Wh
- Designed for
- Asus VivoBook 15 A512 / R512 / X512
- Manufacturer / brand
- Movano
- Cells
- Class A (cell manufacturer: Zhuoneng)
- Protections
- BMS (protection against overheating, overvoltage, overload, and deep discharge)
- Number of charge cycles
- Up to 500
- Certifications
- CE, RoHS
- Warranty on cells
- 12 months
- Warranty on electronics and casing
- 24 months
