48V 52V 17.5Ah Samsung 35E Lithium Ion e-bike battery electric bike battery. QZF battery can fit most motor kits, for example: Bafang, Voilamart, CSC, Tongsheng, EBIKELING, etc. But exclude these four: Bosch, SHIMANO, Yamaha, Panasonic. Built in BMS with short circuit, over-current, over-heat, over-charge, over-discharge protection. This battery pack uses. Top A Grade cells. Cells, highest quality 18650 up to 10A constant discharge, long runtime, deep discharge recover, extended service life and superb performance. It has a great cycle life:? 80% Capacity After 800 Cycles, no acid. (No spill or leak problem). Fully potted pack for the ultimate in battery protection. Each cell has its own fuse for ultimate in safety. Each pack have ran through a full charge and discharge test in produce, to make sure you are getting every amp hour you paid for. Battery details and package included. Please check the size of the battery and the connector of your e-bike first before u place the order, if u need other type connectors, just mak e a note in the order, and we will prpvide it for u with no extra charge. Pre-sale & after-sale Service. All orders will be handled in. Weekends and official holidays not included. To most UK addresses, it usually takes. Should meet all return requirements. Bought the product within one month. Return package should be complete, we will check the the package after receive it. For all electric bike batteries. After one month we can send BMS or cells to you for repair, or you can send it back to repair as well. Service for the following situation. The battery goes over water. The battery is broken man- made. Return the battery without reason. Open a case without contacting us. We will try our best to reply to you on Business Time. (except weekends and holidays). 6:00 p. (GMT+8) of Monday to Friday. We highly appreciate your understanding and patience! We promise will offer the most convenient. Way to make it right. We have professional technician to analyse your problem, provide the solution. Have professional maintenance point in US and DE, never worry about our. We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. Post a message again because sometimes our message system may block some emails. If you are satisfied with our service, pls. Our aim is to provide Top Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy.
