【Compatible with Dyson Type A Series】DC31 Type A Battery adapter compatible :DC35, DC31, DC31 Animal, DC31 Animal Exclusive, DC34, DC45, DC44 (❗ Don't fit Type B DC44 MK2). Please check the connector of your original battery. This is type A, not type B. 【Fit well for Dewalt 20V battery】Compatible with DEWALT 20V MAX XR Battery DCB205 DCB200 DCB180 DCD985B DCD771C2 DCS355D1 DCB606 etc. Recommend to use 4A and above batteries because of the high power for Dyson vacuum. 【Solving the problem of running out of battery】 Even if you are cleaning, cleaning will stop if it is not charged. If you use this product, you can install a De*walt 20V battery, so you can solve the problem of running out of battery. If you have multiple De*walt 20V battery, you can quickly replace them, so you can rest assured even in a large room. 【Easy to install】No tools are required to install this adapter. Simply attach the adapter to your Dys0n DC31 DC34 DC35 Type A series vacuum cleaner, slide in the De*walt 20V 60V battery, and you're ready to go. No specialized knowledge is required. ✅Once you switch the vacuum to a high mode, the battery cell's discharge rate is low, it will stop automatically in order to protect them. So when you use the low setting mode, it works normally. 【Durable Quality and Excellent Customer service】30 Days Money Back, 12 Months Wa*rranty, 24 Hours Customer Supports.Buy with Confidence! (Package contains 1 Adapter + 3 Screws + 1 Instruction manual) Battery Adapter