FAQ

Q:product size？

A: 138*47*49mm/5.12*1.85*1.93inch

Q: How long you can get the goods？

A: Generally speaking, shipping from China to European countries can be signed in about 15-25 days. CIS countries are about 20-30 days, North American countries are about 10-15 days, Asian countries are about 15-30 days, Middle East countries are about 30-45 days, Australian countries are about 10-25 days, South America Country about 30-60 daysquestion above.

Q: Does the package be shipped from sea or air?

A: Generally speaking, we ship in the form of international parcels, and these transportation methods are generally air transportation.

Q: Why my package go so slowly?

A: There is a big difference between international parcels and domestic parcels. He is subject to many factors, such as weather, air control, postal strikes, customs strict inspection of items, security inspections, etc. So you feel that your package is abnormal, please contact customer service as soon as possible, and customer service will definitely find a satisfactory answer for you. In addition, from October to December each year is a very busy season for parcels, so there will be some delays in parcels.

A: 1. Before using it, please full charge it with specific lipo balance charger;2. Charge lipo battery no more than 4.20V per cell. As for battery pack in series, Please choose balance charging mode or charge each cell respectively;3. Charging temperature must range in 15-35 Celsius, reverse charging is prohibited;4. The voltage difference between any two cells should be in 0.03V, or charge is advised to balance the voltages beforeusage;5. Please make sure the cut-off voltage is not lower than 3.4V, we highly recommend not lower than 3.6V;6. Never discharge battery with current over the designed maximum continuous discharging current. After over current discharge, the performance will be deteriorated and cycle life will be shortened, causing overheating and even welling ,breakage, internal short-circuited etc;7. If the surface temperature exceeds 65 Celsius while functioning, the battery should be suspended using until it cool down to ambient temperature naturally. Higher temperature may result int battery swelling and performance;8. Do regularly charge discharge for maintenance(about 1-3 times every 3 months),battery must stored at about 3.85v/cell;9. Do store battery at a place with low-humidity and free from corrosive gas within the temperature ranged from -20 Celsius to +40 Celsius ;10. Under any circumstances dis-assembly of battery is prohibited.

We promise 180days warranty for each customer, If you receive a battery that looks not so good, feel free to contact us via our customer service email in the first time, we will offer you a proper solution.