Product Overview
The DC31 Type A is a 100% brand new 45Wh / 2000mAh Li-ion replacement battery at 22.2V, built for Dyson DC31, DC34, DC35, DC44, DC45, DC56 and DC57 handheld vacuum cleaners. It directly replaces OEM part numbers 203389-02, 202932-05 and 917083-01 and uses high-quality LG 18650 cells. An integrated microchip prevents overcharging and extends battery life. Ships 100% brand new, backed by a 1-year warranty.
Note: Please check whether your battery is Type A or Type B. You may also contact customer service for confirmation.
Specifications
| Attribute | Details |
|---|---|
| Standard Model | DC31 Type A/B |
| Capacity | 2000mAh / 45Wh |
| Voltage | 22.2V |
| Battery Type | Li-ion (LG 18650 cells) |
| Color | Grey |
| Net Weight | 380g |
| Dimensions | 120 x 75 x 25 mm |
| Condition | 100% Brand New |
| Warranty | 1-Year Warranty |
Replace Part Numbers
- 203389-02
- 202932-05
- 917083-01
- 17083-2811
- 18172-01-04
- 17083-4211
- 17083-04
Compatible Models
Verified for the Dyson handheld vacuums that use the Type A connector:
- Dyson DC31
- Dyson DC34 Animal
- Dyson DC35 Animal
- Dyson DC44 Animal
- Dyson DC45 Animal
- Dyson DC56
- Dyson DC57
FAQ
Which Dyson vacuums does the DC31 Type A battery fit?
The DC31 Type A fits Dyson DC31, DC34 Animal, DC35 Animal, DC44 Animal, DC45 Animal, DC56 and DC57 handheld vacuum cleaners that use the Type A battery connector. Check the label inside your vacuum and confirm the connector style before ordering.
Does the DC31 Type A fit Dyson DC58, DC59 or V6?
No. The DC31 Type A (22.2V, 2000mAh) is designed exclusively for the Dyson DC31-DC45 and DC56-DC57 series that use the Type A connector. The DC58, DC59 and V6 series use a DC35 Type B / V6 battery (21.6V, 3000-4000mAh) with a different connector style and mounting form factor. Always verify your Dyson model number and battery connector type (A vs. B) before ordering.
Is this vacuum battery brand new and warranted?
Yes — it is 100% brand new with premium LG 18650 cells and an integrated microchip that prevents overcharging and lengthens battery life. A 1-year warranty is included with dedicated after-sales support.
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
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Account Name: ShenZhen KingSener Science and Technology Co., Ltd
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Google Pay
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Apple Pay
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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.