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Rear Rack Type Ebike Battery 48V 20ah Electric Bike Battery

Port:Shenzhen, China

Production Capacity:3000PCS/Day

Payment Terms:L/C, T/T, Western Union, Paypal

Model NO.:FB-R4820

Rated Capacity:20ah

Standard Voltage:48V

Usage:E-Bike/Motor

Electrolyte:Li-ion

Nominal Voltage:48V

Nominal Capacity:20ah

Cycle Life:1000times

Warranty:13months

Weight:About 6kg

Certificates:Ce/RoHS/MSDS/Un38.3/FCC

Charging Time:7~8 Hours

Recommended:54.6V 3A Charger

Trademark:Delong

Transport Package:Standard Export Package

Specification:Customized

Origin:Guangdong

Type:Lithium-Ion Battery Pack

Connection Mode:Series and Parallel

Rechargeable:Chargeable

Discharge Rate:Medium Discharge Rate

Size:Medium

Accessories Type:Chargers

 

Rear rack Luggage type ebike battery 48v 20ah electric bike battery

Descriptions 48v 20ah lithium ion electric bike battery:

Type lithium battery pack 48V 20Ah rear rack battery
1. Basic Characteristics
Weight≤5.7kg
Dimension(L*W*H)365*150*70mm 
Working temperatureCharge Temperature0~45°C
Discharge Temperature-20~65°C
Retention of charge (store in one month)≥95%
2. Technical Data
Rated Voltage48V
Rated Capacity C1≥ 20Ah
Battery Resistance≤100mΩ
ChargeWay of ChargeCC/CV(Constant Current;Constant Voltage)
Standard Charge Current3A
Max Charge Current5A
Max Charge Voltage54.6V
Cell OverCharge Protection Voltage4.2V/Cell
DischargeStandard Discharge Current25A can be customized
Max Discharge Current70A can be customized
Discharge Cut-off Voltage39V
Cell Overdischarge Protection Voltage3.0V/cell
Ratio Discharge1C>96%C1
2C>93%C1
3C>90%C1
Cycle Life≥ 600 Cycles
3. Safety Test
Short Circuit Safety TestNo fire, No explosion
Overcharge Safety Test
Crush Safety Test
Needling Safety Test
Extrusion Safety Test