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E-mail: sales01@large-battery.com
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12.8V 50Ah Lithium Ion Battery Storage,26650 LiFePO4 Battery Packs

12.8V 50Ah Lithium Ion Battery Storage,26650 LiFePO4 Battery Packs

Parameter Features of LiFePO4 Battery ●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...

Parameter

Electrical Characteristic

Nominal Voltage

12.8V

Nominal Capacity

50Ah

Energy

640Wh

Internal Resistance

=30mO

Cycle Life

>2000 cycles @1C 100%DOD

Months Self Discharge

<3%

Efficiency of Charge

100% @0.5C

Efficiency of Discharge

96~99% @1C

Standard Charge

Charge Voltage

14.6±0.2V

Charge Mode

0.2C to 14.6V, then 14.6V,charge current to 0. 02C (CC/CV)

Charger Current

25A

Max. Charge Current

50A

Charge Cut-off Voltage

15.6V±0.2V

Standard Discharge

Continuous Current

70A

Max. Pulse Current

80A(<3s)

Discharge Cut-off Voltage

8V

Environmental

Charge Temperature

0 ? to 45 ? (32F to 113F) @60±25% Relative Humidity

Discharge Temperature

-20 ? to 60 ? (-4F to 140F) @60±25% Relative Humidity

Storage Temperature

0 ? to 40 ? (32F to 104F) @60±25% Relative Humidity

Water Dust Resistance

IP56

Mechanical

Cell & Method

26650 4S16P

Plastic Case

ABS

Dimensions (in./mm.)

257*132*200mm (10.118"*5.197"*7.874")

Weight (lbs./kg.)

7.520kg (16.579lbs)

Terminal

M6

Protocol (optional)

SMBus/RS485/RS232

SOC (optional)

LED

Features of LiFePO4 Battery
?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: -20 C~60 C.
?Superior Safety: Lithium Iron Phosphate chemistry eliminates the risk of explosion or combustion due to high impact, overcharging or short circuit situation.
?Increased Flexibility: Modular design enables deployment of up to four batteries in series and up to ten batteries in parallel.

Application
?Electric vehicles, electric mobility
?Solar/wind energy storage system
?UPS, backup power
?Telecommunication
?Medical equipment
?Lighting

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