Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•Parameters:Lithium Ion battery; Voltage: 7.4V; Capacity: 3400mah/25.16Wh; Type: Li-ion, Color: Black; Runtime: ≥60 minutes per charge
•Upgraded Li-ion rechargeable battery the same size and thickness as your original battery. Our battery is manufactured with premium grade A++ battery cells, high quality Aluminum Casing and high quality Smart IC chip.It is tested under strict QC standards step
•Customer Service: Rest assured with 30 days Refund and 12 months Warranty; you can click on seller store on right corner “ask a question” and contact seller directly