52V 17ah 21ah Electric Bike Lithium Ion Battery Pack with Un Certified

• Type: Lithium-Ion Battery Pack
• Connection Mode: Series and Parallel
• Rechargeable: Rechargeable
• Discharge Rate: High Discharge Rate
• Size: Large
• Accessories Type: Chargers
• Model NO.: BBG-DP5221
• Rated Capacity: 21ah or 17ah
• Standard Voltage: 52V
• Usage: Electric Bike, Electric Tricycle, E-Scooter etc.
• Electrolyte: Li-ion
• Warranty: 24 Months
• BMS: 50A Continuous Discharge Current
• Charge Port: Reention 3pin Mini XLR or DC5.5/2.1 or St 3pin
• Discharge Port: 4pin or 5pin for Optional
• Discharge Connector: Anderson or Xt60 or Xt90s for Optional
• Switch: on/off Switch
• Max. Charge Port: 58.8V
• Cell Brand: Samsung/LG/Panasonic for Optional
• Transport Package: 1PC/Box or 4PCS/Box
• Specification: L368*W90*H141mm
• Trademark: OEM
• Origin: Shenzhen
• HS Code: 8507600090
• Production Capacity: 5000PCS/Month

Product Description

Specifications:

Item		Parameters	Remark
Typical Capacity		21Ah	25ºC,1 C5A discharge
Nominal Voltage		52.0V	25ºC,Average Voltage at 0.2 C5A discharge
Cell Brand		Samsung/LG/Panasonic for optional
Configuration		14S6P
Charge input voltage		110-240V AC	Wide voltage
Charge current		2-8A	Working temperature:0~35ºC
Charge cut-off voltage		58.8V	CC/CV
Charge time		3-7h
Working current		50A
Peak Working Current(1S)		120A	Working temperature:0~35ºC
Over charge protection		4.3±0.05V	Single cell
Over discharge protection		2.75±0.05V	Single cell
Balance current		60mA	Balance active voltage 4.175V
Weight		≤ 6kg
Storage temperature		≤3month	Best 20±5ºC for long-time storage
Dimension		Approx. L368*W90*H141cm
Storage humidity	≤3month	0~30ºC	Best storage temperature:20±5ºC Charge battery  every 3 month
	≤6month	20±5ºC
	65±20%RH	20±5ºC

Application:
Widely applied in  Electric Bicycle, Electric vehicle, Electric Tricycle, Electric scooter, Electric golf trolley, Electric car, Electric wheelchairs,two wheel vehicles and etc.

 Advantage:
1.Long life, large capacity and good shock resistance
2. Low self-discharge and good discharge performance at low temperature
3. Strong charging acceptance and quick-charging capability
4. Strong over-discharge resistance and charge retention
5. Maintenance-free and no acid or water for maintenance in usage
6. Excellent large current discharge performance, and have obvious advantages in       startup and climbing
7. High temperature performance
8. Environmental friendly
9. Lighter weight smaller size
10. Most safe no explosion no fire
 
 Warranty Instructions
1.We provide 2 years Warranty.
2.Warranty code: quality problems, defective goods can be fixed or replacement; Man-  made damage, inflowing water, fault operation leading to short circuit or burning, damaged by carrier is out of our warranty.
3.Goods should be returned in original condition to qualify for a replacement or repair.


Term of trade
1. Payment: 30% advance payment by T/T, 70% balance should be paid off before shipping.
2. EXW, FOB and CIF all are available.
3. Production lead time:7-10 working days.
4. Sample can be delivered in 3-5 working days.
5. Discounts are offered based on large quantities.
6. Loading port: Shenzhen or HK.
 
Company Information:
Shenzhen BatteryBuilding industry Co., Limited is a professional battery manufacturer of lithium batteries in China ,including : LiFePO4, LiMn2O4, LiNiCoMnO2 and LiCoO2 batteries. Products are widely applicable to E-bikes, E-motorcycles, EVs, golf carts, lawn mowers, electric tools and toys, portable power supply, safe mining equipments, UPS, telecommunication backup power, photovoltaic and wind power storage, etc.
All of our products will be strictly tested before delivering out .We also offer OEM & OEM service.You are always welcome to visit our factory and cooperate with us!

Contact: 
Please contact me freely to call me , Nancy will be here for you all the time.