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The Wefly B31N1842 is a high-capacity 42Wh Li-Polymer laptop battery compatible with over 15 VivoBook 15 models, offering stable 11.52V output in a lightweight 200g design. It ensures reliable, long-lasting power backed by a 6-month replacement warranty, making it the perfect upgrade for busy professionals seeking dependable performance on the go.
| Brand | Wefly |
| Manufacturer | Wefly, Wefly |
| Series | B31N1842 Laptop Battery Compatible for VivoBook S15 S531FA S531FL K531FA K531FL X531FA X531FL M513IA M513UA K513EA K513EQ F513EA F513EP S513EA S513EP S513EQ V531FA V531FL X513EA X513EP X513EQ X513IA |
| Colour | Black |
| Item Height | 5 Centimeters |
| Item Width | 30 Centimeters |
| Product Dimensions | 4.8 x 30 x 5 cm; 200 g |
| Batteries | 3 Lithium Polymer batteries required. |
| Item model number | We-BT04XL |
| Voltage | 15.2 Volts |
| Hardware Platform | Windows |
| Lithium Battery Energy Content | 42 Watt Hours |
| Number of Lithium Ion Cells | 3 |
| Included Components | 1 Laptop Battery |
| Manufacturer | Wefly |
| Country of Origin | China |
| Item Weight | 200 g |
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