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Asus B31N1842 42Wh 11.52V Standard Rechargeable Li-ion OEM Original Laptop Battery
Is your Asus VivoBook battery draining too fast, not charging properly, or shutting down unexpectedly? Restore your laptop’s original performance with the Asus B31N1842 OEM Original Battery. Designed for perfect compatibility and stable power delivery, this battery ensures longer backup, reliable performance, and safe operation just like your factory-installed unit.
Key Specifications:
Battery Model: B31N1842
Brand: Asus (OEM Original)
Battery Type: Lithium-ion
Capacity: 42Wh
Voltage: 11.52V
Condition: Brand New
Warranty: 6 Months Limited Warranty by PCTECH
Compatible Laptop Models:
VivoBook S15 Series: S531FA, S531FL, S531F
VivoBook Series: K531FA, K531FL, X531FA, X531FL, V531FA, V531FL
VivoBook 15 Series: M513IA, M513UA, F513EA, F513EP, X513EA, X513IA
VivoBook Ultra Series: K513EA, K513EQ
VivoBook S513 Series: S513EA, S513EQ
VivoBook Series: F513, M513, K513, S513, X513
VivoBook 15 M513UA Variants:
M513UA-BQ002T, M513UA-BQ003T, M513UA-BQ126T, M513UA-BQ135T, M513UA-EJ033TVivoBook 15 X513 Variants:
X513EA, X513EA-BQ250T, X513EA-BQ602T, X513EA-BQ606T, X513IAVivoBook S15 S531FA Variants:
S531FA-BQ022T, BQ023T, BQ025T, BQ027T, BQ029TVivoBook S15 S531FL Variants:
S531FL, S531FL-BQ060TVivoBook Ultra K513EA Variant:
K513EA-EJ503TOther Supported Models:
X531FL
Compatibility Notice:
Please match your existing battery model B31N1842, voltage, and connector type before placing the order. If unsure, you can share your laptop model or old battery image for confirmation.
Warranty & Installation Note:
This is a 100% genuine OEM battery with built-in safety features like overcharge, overheating, and short-circuit protection. Covered under a 6-month limited warranty by PCTECH. Professional installation is recommended for best results.
Buy Now
Bring your Asus VivoBook back to life with reliable backup and performance. Order the Asus B31N1842 Original Laptop Battery today from pctech.co.in and enjoy fast shipping across India.
| LAPTOP BATTERY SPECIFICATIONS | |
| Battery Brand | Asus OEM pack |
| Battery Type | Lithium-ion |
| Number of Cells | 3-cell |
| Battery Energy | 42Wh |
| Voltage | 11.52V |
| Charging Time | 3 Hours |
| Battery Life | 3–4 Hours Approximately (depending on usage type) |
| Compatible Part Numbers | B31N1842 |
| Compatible Laptop Models | VivoBook S15 S531FA S531FL K531FA K531FL X531FA X531FL M513IA M513UA K513EA K513EQ F513EA F513EP S513EA S513EA S513EA S513EQ EP S513 EQ V531FA V531FL, 15 F513, M513, K513, S513, X513, S15, S531F, VivoBook 15 M513UA-BQ002T VivoBook 15 M513UA-BQ003T VivoBook 15 M513UA-BQ126T VivoBook 15 M513UA-BQ135T VivoBook 15 M513UA-EJ033T VivoBook 15 X513EA VivoBook 15 X513EA-BQ250T VivoBook 15 X513EA-BQ602T VivoBook 15 X513EA-BQ606T VivoBook 15 X513IA VivoBook S15 S531FA-BQ022T VivoBook S15 S531FA-BQ023T VivoBook S15 S531FA-BQ025T VivoBook S15 S531FA-BQ027T VivoBook S15 S531FA-BQ029T VivoBook S15 S531FL VivoBook S15 S531FL-BQ060T VivoBook ULTRA K513EA VivoBook ULTRA K513EA-EJ503TSX531FL |
| Condition | Brand New |
| Warranty | 6-month limited seller warranty. |
Here's is a table for Product Specific Return Policies:
| Category | Defective or Damaged | Item Not as Described |
|---|---|---|
| Computers | 10 Days Free Replacement | 10 Days Replacement / refund |
| Computers/ Laptop Accessories | 10 Days Free Replacement | 10 Days Replacement / refund |
| Computer/ Laptop Spare Parts | 10 Days Free Replacement | 10 Days Replacement / refund |
| Technical/ Engineering Services | 30 Days Free Service for the same issue | N/A |
Our "Item Not as Described" policy ensures that customers receive products that match the description provided at the time of purchase. If a customer receives an item that does not meet the described specifications, features, or condition, the following policy applies:
Important: Replacement or refund will not be applicable if the returned item is found to be damaged due to mishandling during installation or removal, improper use, or negligence. Customers are advised to approach an expert technician for installation of spare parts, handle products carefully and follow the usage guidelines to ensure eligibility for returns or replacements.
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