Product Overview
The B31N1723 is a 100% brand new 48Wh / 4240mAh Li-ion replacement battery at 11.4V for the ASUS VivoBook X570, K570, R570, F570, FX570, A570, YX570 and M570 series laptops. It replaces ASUS part numbers B31N1723 / 0B200-02850000. Premium Grade-A cells and a smart BMS restore dependable all-day runtime. Ships 100% brand new in Black with a 1-year warranty.
Specifications
| Attribute | Details |
|---|---|
| Standard Model | B31N1723 |
| Capacity | 4240mAh / 48Wh |
| Voltage | 11.4V |
| Battery Type | Li-ion |
| Cell | Made in China, high quality guarantee |
| Color | Black |
| Condition | Replacement Battery (100% Brand New, 1-year warranty!) |
Replace Part Numbers
- B31N1723
- 0B200-02850000
Compatible Models
For ASUS VivoBook X570 Series
- For ASUS VivoBook X570
- For ASUS VivoBook X570DD
- For ASUS VivoBook X570UD
- For ASUS VivoBook X570ZD
For ASUS VivoBook K570 / R570 Series
- For ASUS VivoBook K570UD
- For ASUS VivoBook K570ZD
- For ASUS VivoBook R570UD
- For ASUS VivoBook R570ZD
For ASUS VivoBook F570 / FX570 Series
- For ASUS VivoBook F570DD
- For ASUS VivoBook F570UD
- For ASUS VivoBook F570ZD
- For ASUS VivoBook FX570DD
- For ASUS VivoBook FX570UD
- For ASUS VivoBook FX570ZD
For ASUS VivoBook A570 / YX570 / M570 Series
- For ASUS VivoBook A570ZD
- For ASUS VivoBook YX570UD
- For ASUS VivoBook YX570ZD
- For ASUS VivoBook M570DD
FAQ
Will the B31N1723 battery fit my ASUS VivoBook X570ZD?
Yes. The B31N1723 is fully compatible with the VivoBook X570, K570, R570, F570, FX570, A570, YX570 and M570 series, using the same 11.4V 48Wh battery type.
Which part numbers does this battery replace?
It replaces the ASUS part numbers B31N1723 and 0B200-02850000. Please confirm the code printed on your original battery before ordering.
Does it work in the FX570 gaming models?
Yes. The FX570DD, FX570UD and FX570ZD share the same B31N1723 battery platform, so this pack is a direct drop-in replacement.
Note:
This is not a complete list or inclusion of all compatible laptop models. You can open the back of your laptop to check the original battery model. If you have any compatibility questions, please contact us online.The casing is made of durable materials, the mainboard adopts advanced technology, and the battery core is produced with high-quality raw materials to ensure that it will not be damaged after long-term use.
Our products are equipped with multiple protection technologies such as overvoltage, overcurrent, and overcharge to effectively protect the safety of batteries and equipment.
China warehouse delivery method
Overseas Warehouse Shipping Times & Costs
Payment Methods
Paypal

Payments by PayPal, no PayPal account required. Paypal is safe and free for buyers.
PayPal account: Payment@batterymall.com
Account Name: ShenZhen KingSener Science and Technology Co., Ltd
Credit or debit card
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WeChat Pay
Currently only supports QR code payment. Please contact WeChat customer service and go to WeChat App to scan the QR code to complete the payment.
Google Pay
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Apple Pay
If you use an Apple device, you can use Apple Pay to pay, which is more convenient and faster.
Bank Transfer
Q&A
Quick FAQ:Laptop Battery Care & Troubleshooting
- What Should I Know Before Buying a Laptop Battery Replacement?A: Before buying a laptop battery replacement, confirm your laptop’s exact model number and the part number printed on the original battery. Check the battery voltage, connector, physical dimensions, and compatibility list. Do not choose a battery based on appearance alone, because similar laptop models may use different batteries. Review the seller’s warranty, return policy, and product specifications before ordering.
- How Do I Find a Compatible Laptop Battery for My Device?A: To find a compatible laptop battery, identify your laptop’s full model number and the part number on the original battery. Compare these details with the replacement battery’s compatibility list and specifications, including voltage, connector type, and dimensions. If you are unsure, contact customer support with your laptop model and original battery part number before placing an order.
- Can I leave my laptop plugged in 24/7?Yes, the built-in TI chip prevents overcharging. Tip: To prevent long-term cell swelling, unplug and drain the battery to 40% twice a month.
- Why Is My Laptop Battery Not Charging?A: A laptop battery may not charge because of a faulty AC adapter, damaged charging port, loose connection, temperature protection, battery-health settings, or a worn-out battery. Confirm that you are using a compatible charger and inspect the cable and port for visible damage. Restart the laptop and review the manufacturer’s battery or charging settings. If the battery becomes unusually hot, swollen, or damaged, stop using it and seek professional assistance.
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Are BatteryMall Laptop Batteries Reliable?BatteryMall laptop batteries are designed with safety and reliability in mind. All batteries feature built-in IC protection against short-circuits, over-voltage, and overheating, helping protect the battery during normal use. They are also CE, FCC, and RoHS certified. For the best experience, choose a compatible laptop battery that matches your exact laptop model and original battery part number, and follow the installation and care instructions. BatteryMall also provides a 1-year warranty on KingSener batteries purchased from BatteryMall; see the Product Warranty page for details.