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48V 50Ah Lithium Battery 
Model No.: RSLI4850
Rechargeable: Chargeable
Dimension: Customized, 480*360*90mm
Weight: 22kgs
Warranty: 6 Years
Trademark: Rosen Solar/OEM/ODM
Transport Package: Wooden Box/Carton Packing
Container Cover: ABS
Color: Gray/Black/Red/White
Application: 8506500000
Electrolyte: Fixed
Battery portection: UL/Ce/RoHS/ISO09001/ISO14001/IEC60896/IEC61427
Cycle Life: 5000+ Times
Detail


LiFePO4 48V 50AH, 48V 100AH, 48V 150AH, 48V 200AH   Lithium Battery for Solar System
Product introduction:

Rosen solar LiFePO4 battery system is specially optimized for PV application, mainly used for the energy store battery of Photovoltaic system; its advance intelligent lithium battery management technology to ensure the intelligent automatic management. With "Energy transfer" balanced patented technology, EverExceed lithium iron phosphate provide high efficiency balanced and prolong system operate life. Based on its own technical features as high capacity, high voltage and free of pollution, the lithium iron battery is widely concerned by people with a rapid development stance. It will be the first choice for the high requirement energy store battery solution.

Key Features
♦Longer Cycle Life : Offers up to 20 times longer cycle life and five times longer float/calendar life than lead acid battery , helping to minimize replacement cost and reduce total cost of ownership
♦Lighter Weight : About 40% of the weight of a comparable lead acid battery . A " drop in" replacement for lead acid batteries
♦Higher Power : Delivers twice power of lead acid battery ,even high discharge rate, while maintaining high energy capacity
♦Wider Temperature Range : -20ºC~60ºC
♦Superior Safety: Lithium Iron Phosphate chemistry eleminates the risk of explosion or combustion due to high impact overcharging or short circuit situation


48V 50Ah Lithium Technical Data
Function Parameter                     
Norminal Battery Energy
2400wh
Norminal Capacity
50Ah
Norminal Voltage
48V
Internal Resistance
≤30mΩ
Cycle Life
<6000
Months Self Discharge
<3%
Charge Data
Charge Voltage
53.2~54V
Charge Mode
0.2C to 54V, then 54V,charge current to 0.02C (CC/CV)
Charger Current
10A
Max. Charge Current
50A
Charge Cut-off Voltage
54±0.2V
Discharge Data
Continuous Current
10A
Max continuous discharge current
50A
Discharge Cut-off Voltage
40.5V
Working Condition
Charge Temperature
0ºC to 45ºC (32ºF to 113ºF) @60±25% Relative Humidity
Discharge Temperature
-20ºC to 60ºC (-4ºF to 140ºF) @60±25% Relative Humidity
Storage Temperature
0ºC to 40ºC (32ºF to 104ºF) @60±25% Relative Humidity
Enclosure Protection Level
IP20
Mechanical Data
Cell & Method
3.2V50Ah
Shell material
Iron
Dimensions
480*360*90mm
Weight (lbs./kg.)
22kgs

Application
♦Wheelchairs and scooters
♦Solar/wind energy storage
♦Back-up power for small UPS
♦Golf trolleys & buggies
♦Electric bikes

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