UL2271 Certified 52V 20ah Polly Ebike Battery Samsung 21700 Downtube Lithium Battery with 50A BMS for E-Motorcycle E Wheelchair 52V High Power Battery

Product Description

14S4P 52V 20AH Polly Ebike battery Samsung 21700 lithium battery for Electric Bike Electric Motorcylce High Power Rechargeabale Electric Wheelchair E Scooter Battery 52V UL2271 certified

Basic Parameters:

Model No.	Polly DP-2170-5/14S4P/50G
Rechargeable	Chargeable
Discharge Rate	High Discharge Rate
Battery Size	368*95*125mm (L*W*H)
Available Voltage	36V/48V/52V/60V
Available Capacity	15Ah/20Ah/25Ah
Usage	E-bike, E-scooter, E-tricycle, E-motorcycles, Power tools, Backup power supply etc.
Trademark	BBG
HS Code	8507600090
Certification	UN38.3+MSDS+IEC62133+UL2271
Production Capacity	50000pcs/Year
Warranty	2 years

Specification:
Cell: Samsung INR21700-50G 5000mah cells (Samsung 53G, 50S, 40T, Molicel P42A, P45B, Lishen LR2170LA etc cells are all available).
Configuration:14S4P
Voltage:52V
Capacity: 20Ah or 21.2Ah for options
BMS: 50A UL certified BMS with imported USA O2 chip.
Motor: suitable for 500-2500W electric motors.

Feature:
On/off switch cuts all output and input. 
O-ring seal the up and down case to make sure the battery be 100% waterproof.
Enclosed mechanical lock with 2 keys. 
Push-Button Charge level indicator.
Pure nickels straps for assembly.

Factory advantages:
Assemble workers all with 7+yrs experience on every assemble process.
10 automated lines-5pcs trial order to K+bulk order.
BMS design using USA O2 IC, low defective.
72-hour express sampling, led by me personally.
Price advantage (Factory price directly)
Laser engraving machine for QR code for free.
100% In-house testing, UL-approved quality, 99.8% pass rate: (UN38.3+MSDS+IEC62133+UL2271...)
100% on-time delivery. 


Photos for reference:

Application:
Widely applied in  E-bike, E-scooter, Electric Tricycle, E-motorcycles, Electric golf trolley, Electric car, Electric wheelchairs, Electric vehicle and etc.

Advantage:
1.800 times cycle life 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.
6. Excellent performance of large discharging current, obvious advantages in startup and climbing.
7. High temperature performance.
8. Environmental friendly.
9. Lighter weight and smaller size.
10. Most safe no explosion no fire.
11. The voltage and capacity can be customized. 
12. 2 years warranty, all batteries will be strictly tested before shipping and testing report can be provided.
13. We offer OEM & OEM service.

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 in Shenzhen, China, including lithium, LiFePO4, LiMn2O4 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 equipment, UPS, telecommunication backup power, photovoltaic, wind power storage etc.
We offer OEM & OEM service and 2 years warranty.
Welcome to visit our factory to cooperate with us, Selina is waiting to show you around.