Item specifics:

Cells Type	LG MJ1 18650 3500mAh
Cells Combination	14S6P 84PCS 18650 cells
Nominal Voltage	51.8V
Nominal Capacity	21AH
Max Charging Voltage	58.8V
Output Voltage Range	42V→58.8V
Discharge Cut-off Voltage	42V
Max Continuous Discharge Current	50A
Motor Power	2000W max
Standard Charging Current	5A
Max Charging Current	10A
Dimension	368*90*141mm
Weight	5.5KGS
Charging Port	DC5.5*2.1 or 3Pin
Discharging Port	5Pin
USB Port	Without
Charging Temperature	0ºC~45ºC
Discharging Temperature	-20ºC~60ºC
Storage Temperature	0~40ºC
Charger	58.8V 4A
BMS Functions	Protect the battery from over charging ,over discharging, short curcuit.

FAQ
1. Why choose Wanhong?
Wanhong is one of the best battery manufacturers in Shenzhen,China. Wanhong has developed several lines of standard battery packs and systems to fit a variety of customer requirements, from lithium batteries to grid-connected systems.  If one of the standard batteries below does not satisfy your needs, Wanhong also designs and produces custom batteries or multi-cell building block that could be the right solution.Wanhong's high quality management material is integrated into every type of battery, improving cycle life, performance, and safety.
 
2. What is our main products?
Professional Production All Battery System,
3.2V ~ 330V , 5AH ~ 500AH Battery Pack,
Li-polymer battery.LiFePo4, Lithium ion,Solar energy battery. Electric bicycle battery,
Welcome your order to test our quality and service.
 
3. What's the warranty of battery?
1-2 year under normally use.
 
4. What about the lead time?
Sample : within 5-7 working days. Bulk order: within3-4 weeks.
 
5. Do you have any MOQ limit?
No have MOQ, samples are welcome for your testing,  sample fees could be retunred on bulk order.
 
6. What kind of certification could you provide?
CE, RoHS, UN38.3. UL. We also could apply other certication that you need.
 
7. Can you accept OEM& ODM?
Sure, we are a manufacturer and has profressional R&D Department, welcome your OEM &ODM order.
 
8. What is the shipping way? 
Base on your requirement of Order Quantity, Lead Time & Freight fee, we often chose from Air, Sea & Express.