Specifications
Brand Name :
RESKY
Model Number :
RSK-7220
Certification :
CE, RoHS, MSDS, Un38.3
Place of Origin :
China
MOQ :
10pcs
Price :
Negotiable
Payment Terms :
Western Union,T/T
Supply Ability :
500pcs/day
Delivery Time :
15-20days
Packaging Details :
Standard exporting packages
Rated Capacity :
20ah
Standard Voltage :
72V
Electrolyte :
Li-ion
Cell :
21700 5000mAh Battery Cell
Motor :
Above 1000W
Charging Cut-off Voltage :
84V
Dishcarging Cut-off Voltage :
50V
Color :
Blue PVC
Cycle Life :
500cycles
Shipping :
UPS, FedEx, TNT, DHL, by Air, by Sea
Description
Product Description

Solar 21700 Li-Ion Cell 72v 20S4P 20Ah 1400w Power Lithium Ion Battery Pack For Electric Motocycle

Specification:
Product name 72V 20Ah
Model RSK-7220
Rated Capacity 20Ah
Nominal Voltage 72V
Over discharge protection voltage 50V±0.05V
Over charge protection voltage 84V±0.05V
AC Impedance New Cell Max.(mΩ) ≤100 mΩ
Maximum Continuous Charge Current ≤2A adjustment
Maximum Continuous Discharge Current ≤10A adjustment
Maximum Pulse discharge current ≤20A adjustment
Operation Temperature Range Charge: 0~45°C,Discharge: -20~60°C
Storage Temperature Range Less than 1 year: -20~25°C
Less than 3 months: -20~40°C
Storage Temperature Range Less than 30 Days: -25°C~45°C
Less than 90 Days: -25°C~30°C
Weight Approx 6.5kg
Cycle Characteristic 500 times

Advantages for 21700 li-ion battery packs:

1. Superior Energy Density
The 21700 cells (21mm diameter, 70mm length) offer higher energy density compared to older 18650 cells, storing more power in a compact form. This makes the pack ideal for space-constrained applications like e-bikes or portable power tools, providing extended runtime without bulk.

2. Extended Cycle Life
Utilizing advanced lithium-ion chemistry, the pack typically achieves 500–1000 charge cycles while retaining 80% capacity. Proper maintenance and a integrated BMS further enhance longevity, offering long-term cost savings.

3. Integrated Safety Mechanisms
Equipped with a Battery Management System (BMS), the pack safeguards against overcharge, over-discharge, short circuits, and thermal runaway. Premium 21700 cells often include built-in safety vents and stable chemistry to minimize failure risks.

4. Broad Temperature Tolerance
Operates effectively across a wide range (-20°C to 60°C), making it suitable for extreme environments, from winter outdoor use to high-temperature industrial settings. Storage stability is also enhanced with low self-discharge (1–2% monthly).

Pictures:

Solar 21700 Li-Ion Cell 72v 20S4P 20Ah 1400w Power Lithium Ion Battery Pack For Electric MotocycleSolar 21700 Li-Ion Cell 72v 20S4P 20Ah 1400w Power Lithium Ion Battery Pack For Electric MotocycleSolar 21700 Li-Ion Cell 72v 20S4P 20Ah 1400w Power Lithium Ion Battery Pack For Electric MotocycleSolar 21700 Li-Ion Cell 72v 20S4P 20Ah 1400w Power Lithium Ion Battery Pack For Electric MotocycleSolar 21700 Li-Ion Cell 72v 20S4P 20Ah 1400w Power Lithium Ion Battery Pack For Electric Motocycle


Send your message to this supplier
Send Now

Solar 21700 Li-Ion Cell 72v 20S4P 20Ah 1400w Power Lithium Ion Battery Pack For Electric Motocycle

Ask Latest Price
Watch Video
Brand Name :
RESKY
Model Number :
RSK-7220
Certification :
CE, RoHS, MSDS, Un38.3
Place of Origin :
China
MOQ :
10pcs
Price :
Negotiable
Contact Supplier
video
Solar 21700 Li-Ion Cell 72v 20S4P 20Ah 1400w Power Lithium Ion Battery Pack For Electric Motocycle
Solar 21700 Li-Ion Cell 72v 20S4P 20Ah 1400w Power Lithium Ion Battery Pack For Electric Motocycle

Shenzhen Resky Electronics Co., Ltd.

Verified Supplier
1 Years
guangdong, shenzhen
Since 2012
Business Type :
Manufacturer, Distributor/Wholesaler
Total Annual :
500000-1000000
Employee Number :
20~50
Certification Level :
Verified Supplier
Contact Supplier
Submit Requirement