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Lithium ion battery for 3.2V 50Ah for DIY battery pack electric vehicle lithium battery
Suitable for passenger and commercial plug-in hybrid electric vehicles (PHEVs), passenger and commercial battery electric vehicles, solar power storage, e-bikes, e-scooters, golf carts, model aircraft, electric tools, power tools, sightseeing coaches, DIY battery packs, solar energy systems, inverters, and other applications.
General Specifications
No.
Parameter
Specification
Condition / Note
1.1
Typical capacity
50Ah
At a 1C discharge current (25±2°C CC+CV)
1.2
Minimum capacity
50Ah
At a 1C discharge current (25±2°C CC+CV)
1.3
Operating voltage
2.5 ~ 3.65V 2.5 ~ 3.65V 2.0 ~ 3.65V
-5°C<T<55°C -20°C<T<-5°C -30°C<T<-20°C
1.4
Impedance (1kHz)
<0.40mΩ
at a fresh state
1.5
Shipping capacity
<30%SOC
SOC conformity at the same batch
1.6
Operating temperature (charging)
-15-55°C
See paragraph 2.2
1.7
Operating temperature (discharge)
-30 - 55°C
See paragraph 2.3
1.8
Weight
1.18±0.2 Kg
including hard case and cap
1.9
Self-discharge
<3.5%/Month
Count after fresh cell need Standard Charge to 50%SOC and storage at 25±2°C for 3 month
1.10
Cell dimension
Reference specification 9
-
LFP Battery Cell Features
Longer battery life - 6000 times life cycle, 10 times more than lead acid batteries
Low self-discharge
Free of charge memory
Wide temperature performance
Steady discharge and charge performance
Outstanding thermal stability
Over charge and over discharge, over current protection, short circuit protection
Charging Specifications
No.
Parameter
Specification
Condition / Note
2.1
Standard charge current
1/2C
25±2°C
2.2
Standard charge voltage
3.65V
-15-55°C
2.3
Standard charge method
1/2C constant current charge to 3.65V for cell, then switch to constant voltage charge until charge current declines to <3.0±0.3A
2.4
Standard charge temperature
25±2°C
1/2C
2.5
Absolute charge temperature (Cell temperature)
-15-55°C
Stop charging once cell Temperature is outside this range regardless of the charging mode adopted
2.6
Absolute charge voltage
3.65V max.
Stop charging once voltage exceeds this voltage regardless of the charging mode (including regeneration) adopted
Discharging Parameters
No.
Parameter
Specification
Condition / Note
3.1
Standard discharge current
1/2C
25±2°C
3.2
Maximum discharge current (continuous)
1C
N.A.
3.3
Maximum discharge current (long pulse)
2C
120 seconds duration maximum followed by a "zero current rest period" of same duration
3.4
Maximum discharge current (short pulse)
3C
60 seconds duration maximum while cell Temperature < 50°C and SOC>40%SOC; 10 seconds duration maximum while cell Temperature < 50°C and SOC<40%SOC;
3.5
Discharge cut-off voltage
2.50V
-5 -55°C
Regeneration
Regeneration means a cell is charged by pulse current regenerated during application. The regenerated voltage should be strictly regulated at all SOC and Cell Temperature. The magnitude and duration of pulse charging current should be strictly regulated according to the SOC and Cell Temperature. Regeneration charging of the cell outside allowable conditions may cause permanent internal damage to the Product and shall render warranties inapplicable.
Packing and Delivery
Shipping Method
Courier
Shipping Time
Express Shipping
DHL
About 4-9 days
Fedex / TNT / Aramax
About 5-10 days
By Air
About 4-7 days
By Train
About 45-60 days
UPS
About 15-22 days
Standard Shipping
Standard Shipping
About 20-45 days
China post / ePacket
About 20-45 days
There are many factors (holiday, extreme weather, airline adjustment, etc) may affect the delivery time, please take above prescription for reference only.
The lithium battery is Dangerous Good for shipment by Sea and By air and they should be shipped under the regulation of UN3480. All EVL batteries are packaged by DG plywood case and we provide UN38.3 test report and MSDS.
Please check shipping cost before place order, the lithium battery is Dangerous Good, the shipping cost is very different, so please check shipping cost before place order.
Frequently Asked Questions
Q: Can you guarantee the quality with such a low price?
A: We have signed a long-term strategic cooperation agreement with battery manufacturers. All the prices are the lowest in the market, and cell consistency is good. We buy a lot at one time, so the price is very competitive.
Q: Can you provide inspection report when delivery?
A: We can provide the manufacturer's test report and the original purchase contract.
Q: How do you transport lithium batteries?
A: We have professional freight forwarding and export qualifications. We can ensure that the goods are received within 15-20 days after payment is received.
Q: How are your batteries after sale?
A: We have a 10-year R&D experience of professional and technical team, can remote guidance or help customers solve problems on the spot.
Since 2010, after more than 10 years of development, we have become one of the largest lithium battery wholesalers.
We solely focus on high quality, grade A+, batteries.Because it can provide stable quality, truly achieve long life cycle, and have stable production capacity.
We cooperate with many...
Since 2010, after more than 10 years of development, we have become one of the largest lithium battery wholesalers.
We solely focus on high quality, grade A+, batteries.Because it can provide stable quality, truly achieve long life cycle, and have stable production capacity.
We cooperate with many...