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Power Battery 24v 7s 21Ah Rechargeable Lithium Battery Pack For Electric Wheelchair

Categories	Electric Bike Battery
Brand Name:	China
Model Number:	RESKY-2421
Certification:	CE, RoHS, MSDS, Un38.3
Place of Origin:	China
MOQ:	10pcs
Price:	Negotiable
Payment Terms:	T/T,Western Union
Supply Ability:	500pcs/day
Delivery Time:	15workdays
Packaging Details:	Standard exporting packages
Rated Capacity:	21ah
Standard Voltage:	24V
Electrolyte:	Li-ion
Cells:	18650 3500mAh Cells
Structure:	7s6p
Motor Power:	500W/750W
Charging Cut-off Voltage:	29.4V
Charging Current:	4A
Warranty:	12months
HS Code:	8507600090

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Company Info.

Shenzhen Resky Electronics Co., Ltd.

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Product Description

Power Battery 24v 7s 21Ah Rechargeable Lithium Battery Pack For Electric Wheelchair

Specification:

Product name	24V 21Ah
Model	RESKY-2421
Rated Capacity	21Ah
Nominal Voltage	24V
Over discharge protection voltage	21V±0.05V
Over charge protection voltage	29.4V±0.05V
AC Impedance New Cell Max.(mΩ)	≤100 mΩ
Maximum Continuous Charge Current	≤4A 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
Storage Temperature Range	Less than 3 months: -20~40°C
Storage Temperature Range	Less than 30 Days: -25°C~45°C
Storage Temperature Range	Less than 90 Days: -25°C~30°C
Weight	Approx 2.5kg
Cycle Characteristic	500times

Application:

Electric Bikes/Scooters:

Balances voltage for 24V motors and provides 21Ah for 30–60km range, lighter than lead-acid alternatives.

Portable Power Stations: Powers laptops, small appliances, or LED lighting with stable voltage and long runtimes.

Industrial Tools: Works with 24V cordless tool systems requiring moderate runtime and reliability.

Renewable Energy Storage: Stores solar/wind energy for 24V off-grid systems, supporting low-to-medium power loads.

Drones/UAVs: Lightweight 25.9V supply for medium-sized drones needing balanced flight time and power for cameras/sensors.

Pictures:

Product Tags:

21Ah Lithium Battery Pack

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