Battery Type: Brand New Li-ion battery / Capacity: 3500mAh / Battery Voltage: 22.2V
Fully Compatiblity: Compatible with DC35 DC44 DC31 DC34 (ONLY Fit for Type B series) Handheld Vacuum Cleaner
Safety Assurance: CE FCC Rohs certified, built-in protection against overcharging, over discharge, over current, provides short circuit protection and steady voltage circuit
High quality & Longer Work Time: Grade A 18650 cells, no memory effect. Upgraded 3500mAh battery without loss of capacity can provides longer life than original battery
Any problem about the product, please feel free to contact us
DC31 DC34 DC35 DC44 DC45 Type B battery

