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Rechargeable 18650 battery 24V 18.2ah 7S7P Rechargeable Li-ion Battery Pack for Electric Mobility

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Storage Rechargeable 18650 battery 24V 20.8Ah 500W Electric Wheelchair Lithium Battery Pack

Voltage:24V

Capacity:20.8Ah

Cell type:ICR18650 3.7V 2600mAh

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Specification:

Product name 24V 20.8Ah
Model RSK-2420.8
Rated Capacity 20.8Ah
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 ≤5A adjustment
Maximum Continuous Discharge Current ≤20A adjustment
Maximum Pulse discharge current ≤30A 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 3.5kg
Cycle Characteristic 500 times

Product Advantages:

1) Green product

2) Long standby time

3) One year warranty

4) Excellent safety performance

5) Excellent storage performance and low self-discharge rate

6) Short circuit testing passed

7) Overcharge testing passed

8) Over discharge testing passed

9) 1.2m drop testing passed 

Spotlight: 

1. Provide both single cells and battery packs 

2.100% inspection before delivery 

3. Inspects inner resistance, discharge platform and self-discharge

4. Manufacturer of 18650 lithium ion battery, lithium polymer battery etc.

5. Customized packs, tags, labels, plugs, connectors, over current protection, temperature cont8.l protection are available

Application:

Electric bicycle

Electric fat tire bike

Electric ATV

Electric scooter

Electric skateboard

Electric golf car

Electric balance car

Electric motorcycle

Electric wheelchair

Electric vehicles

Knowledge of battery maintenance:

1. Maintenance of new batteries

The necessary visual inspection should be carried out before the new battery is installed, and it can be used directly after the inspection is free of defects. The battery is mostly half-full before leaving the factory, and the battery has been aging, and there is no need to perform special activation again. Before charging a new battery, ensure that the charger matches the battery to avoid battery damage.

2. Instructions for fast charging

For non-fast-charge series batteries, it is not recommended to use fast-charge devices to quickly charge the batteries. Fast charging will make the material transfer produced by the internal electrochemical reaction of the battery fail to keep up with the charge transfer, and the electrode material will produce large irreversible changes and lose capacity.

3. Battery storage

When the battery is not stored for a long time, the battery should be charged to 50%-70%, and the storage temperature should be below 25ºC.

4. Battery charging

When using an electric vehicle charger to charge an electric vehicle, you should first connect the charger to the electric vehicle, and then connect the charger to the power supply. If the sequence is reversed, it will easily cause a short circuit. Keep ventilated when charging, and place the charger on non-flammable objects, as the flammable parts of the vehicle.

5. Daily maintenance

During normal use, avoid overcharging and overdischarging the battery. During use, if the battery life drops rapidly, you should find professional maintenance personnel to inspect the vehicle and the battery in time, and you must not disassemble the battery for inspection. When used at low temperatures, the problem of reduced range may occur, which is a normal phenomenon. Care should be taken to avoid extending the range by increasing the charging time. When using it under high temperature in summer, it is strictly forbidden to expose the battery to the sun, charge it, and charge it directly without heat dissipation after use.

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