Product Overview
The 1800 is a 44W AC power adapter delivering 15V 2.58A (plus a 5V 1A USB charging port) through a magnetic Surface Connect 4-pin tip. It is compatible with Microsoft Surface Pro 3, Pro 4, Pro (2017), Pro 6, Surface Laptop, Laptop 2, Surface Book, Book 2 and Surface Go. 100–240V universal input with US / EU / UK / AU plug options, over-voltage and over-current protection. Ships 100% brand new with a 1-year warranty.
Specifications
| Attribute | Details |
|---|---|
| Standard Model | 1800 |
| Power | 44W |
| Output | 15V — 2.58A |
| USB Output | 5V — 1A |
| Input | 100V–240V ~1.16A 50/60Hz |
| Connector | Magnetic Surface Connect (4-pin) |
| Color | Black |
| Weight | 140g (Power cord not included) |
| Plug Options | US / EU / UK / AU |
| Certification | CE / FCC / RoHS |
| Condition | 100% Brand New |
| Warranty | 1-Year Warranty |
Replace Part Numbers
- 1800
Compatible Models
- Microsoft Surface Pro 3
- Microsoft Surface Pro 4
- Microsoft Surface Pro (2017)
- Microsoft Surface Pro 6
- Microsoft Surface Laptop
- Microsoft Surface Laptop 2
- Microsoft Surface Book
- Microsoft Surface Book 2
- Microsoft Surface Go
FAQ
Is this 44W charger compatible with Surface Pro 3/4/5/6 and Surface Laptop?
Yes — this 44W magnetic Surface Connect charger works with all Surface devices that use the 4-pin magnetic connector: Surface Pro 3 / Pro 4 / Pro (2017) / Pro 6, Surface Laptop / Laptop 2, Surface Book / Book 2 and Surface Go. It is not compatible with Surface Pro 7+ and newer (use the 65W charger) or Surface Pro X (USB-C only).
Can I charge my phone at the same time?
Yes — the built-in 5V 1A USB port lets you charge a phone or tablet simultaneously while your Surface is charging from the 15V 2.58A main output.
What plug options and warranty are included?
It is available in US, EU, UK and AU plug configurations, is CE/FCC/RoHS certified, and includes a 1-year warranty.
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
VISA, MasterCard, the United States n Express,Maestro & Laser Card, APPLE Pay,etc.
PayPal never shares your financial information with us.
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
Pay with Google Pay, which is more convenient and faster.
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.
-
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.