Lifepo4 Battery 48V 70AH Lithium Ion Battery High Quality Portable Battery

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Lifepo4 Battery 48V 70AH Lithium Ion Battery High Quality Portable Battery

Lifepo4 Battery 48V 70AH Lithium Ion Battery High Quality Portable Battery

Lifepo4 Battery 48V 70AH Lithium Ion Battery High Quality Portable Battery

Electrical

Characteristics

Model 48V 70Ah (Customizable LCD)
Energy 3360Wh
Internal Resistance ≤100mΩ
Cycle Life ≥2000 cycles @1.0C 100%DOD
Months Self Discharge <3%

Standard Charge

Charge Voltage 53.2~54V
Charge Mode 0.2C to 54V, then 54V,charge current to 0.02C (CC/CV)
Charger Current 20A
Max. Charge Current 50A
Charge Cut-off Voltage 57.6±0.2V

Standard Discharge

Continuous Current 20A
Max continuous discharge current 50A
Discharge Cut-off Voltage 37.5V

Environmental

Charge Temperature 0 ℃ to 45 ℃ (32℉ to 113℉) @60±25% Relative Humidity
Discharge Temperature -20 ℃ to 60 ℃ (-4℉ to 140℉) @60±25% Relative Humidity
Storage Temperature 0 ℃ to 40 ℃ (32℉ to 104℉) @60±25% Relative Humidity

Mechanical

Cell & Method 3.2V50Ah 15S2P
Shell material iron
Dimensions customized
Weight (lbs./kg.) Approx: 48kg
Gravimetric specific energy 75WH/KG

About 5 billion button batteries are produced every year, and these batteries have become more and more powerful, making them even more dangerous if swallowed. In the United States, recent legislation has mandated warning labels on packages, and some toys are required to have battery housings that can only be opened with a screwdriver. However, there have been no technological innovations to make the batteries themselves safer, Karp says.

When batteries are swallowed, they start interacting with water or saliva, creating an electric current that produces hydroxide, a caustic ion that damages tissue. This can cause serious injury within just a couple of hours, especially if parents don’t realize right away that a child has swallowed a battery.

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