Hailong battery,we have three types of that:
Hailong I : maximum 52 battery cells(without USB port)
Hailong I No.2: maximum 65 battery cells(with USB port)
Hailong II:maximum 40 battery cellls(with USB port)
Safety of lithium battery
*Easy to radiate heat and control the temperature
*Over charge and discharge protection
*In order to make sure the safety when it hit by outside, the internal cylinder reduce the stress around, with thedeformation space and relievable design of cell at the same time.
*Mature production technology of cylinder, a high degree of automation, good consistency of battery.
*Low energy of cylindrical cell, low level destruction of thermal runaway.
1. SHIPPING: We will ship by Fedex,UPS,TNT,DHLif only small quantity. Shipping by vessel if large quantity.
2.Discount: if you place a large order we can give you a discount.
3.All the battery we use high quality cell and BMS,we 100% test every battery before shipping.Rest assured purchased!
1.Q:What's your warranty for products?
A:We provide long-term warranty about 27 months.
2.Q:How long will be the delivery?
A:Usually delivery in 15-20 days, but could be change according to the quantity or other things.
3.Q:How do you control your product quality.
A:All batteries must be tested during the whole production.