With USB color bottle type battery 36v 7ah li ion battery 36v 7ah for ebike 500W

Wallen Power is a professional manufacturer which is focus on rechargeable lithium battery, we offer lithium batteries used for e-bike, electric tool , grass cutter, electric vehicle and other power equipments. We cooperate with customers from all over the world, providing solutions for the customers from project evaluation, design, production, inspection, logistics, insurance, warehousing and after-sales services. Quality is everything is kept mind to all employees of Wallen Power. So we will always use the imported Panasonic, Sony, Samsung, LG and domestic high-quality cells to make modules and solutions of lithium ion battery. Moreover, our high-quality products comply with IS09001 system standard with certificate CE, RoHS, UL,UN38.3, MSDS and etc. We do what we say, a highly motivated team, collaborating with rigor and respect. That’s why more and more customers from North Amerca, Europe,Asia and other countries choose us,know us,trust us and do cooperation with us. We hope to do win-win, stable cooperation with our customers which also helps Wallen Power to be an important part of the new energy industry in the future. We would like to sincerely cooperate with all the potential clients from domestic or foreign countries to make a joint development and gains our mutual benefits in the future. Welcome to visit our company to discuss the business cooperation.

1, Q: How to select the correct battery ? 
A: Depends on your device. lnput voltage(V) , power consumption(Wattage), Continuous discharge current (A), Running distance by a battery pack for battery capacity. 
2, Q: How long we need to charge full the battery?
A: Around 6-8 hours,we will suggest you the suitable charger depends on the capacity of the battery. Eg:Battery:36V10Ah,Charger:42V2A,Battery:36V20Ah,Charger:42V3A,etc 
3, Q: What's your MOQ(minimum order quantity)?
A: Low MOQ, just 1 set for conventional product. For customized product,Please let us know your requires.
4, Q:How long would the delivery after paid? 
A:First delivery: Less than 5sets=3 working days; 5-9sets=3-5 working days;10-50sets=7-10 working days, depends on raw material stockage. 
5. Q:Do you offer guarantee? How long? 
A:Yes,12 months warranty from the delivery date. Man-made problems not in warranty. 
6.Q:What about the shipping? 
A:1)Faster: by Fedex/UPS/TNT, Around 5-8 working days after delivery.  

   2)Lower shiping cost: by Special Line,Around 12-15working days after delivery.

   3)For big quantity order: Shipping by sea,Around 30working days after delivery.