Amazon.com: 3500mAh 22.2V Type B Battery Replacement for DC31 Type B Replacement Compatible with Battery DC35 DC44 DC31 DC34 Type B Handheld Vacuum (ONLY Fit for Type B) : Home & Kitchen
Kingsener DC34 Type B Replacement Battery for Dyson DC35 DC44 DC31 DC3 - BatteryMall.com
Dyson Replacement battery Type A Suits DC31 DC34 DC35 DC44 DC45 Handheld Vacuum Cleaner | Catch.com.au
YABER Dyson DC34 DC35 4500mAh Replacement Battery for Type B Dyson DC31 DC34 DC35 DC44 DC45 (Not for Type A, Only Fit for Type B Screw-fixing): Amazon.co.uk: Home & Kitchen