Electric Car Battery LiFePO4 Lipo 12V 24V 36V 48V 72V 20ah 40ah 60ah 80ah 100ah Lithium Battery Pack for Electric Bike E-Scooter Golf Cart
|FOB Price:||US $15-5,000 / Piece|
|Min. Order:||1 Piece|
|Min. Order||FOB Price|
|1 Piece||US $15-5,000/ Piece|
|Payment Terms:||L/C, T/T, Western Union|
- Model NO.: PN724020S1P
- Usage: Car, Bus, UPS, Electric Power, Lighting, Electric Bicycle, Boat, Solar System, Golf Cart, Wheelchair
- Discharge Rate: High Discharge Rate
- Electrolyte: Acid
- Rechargeable: Chargeable
- Size: Adjustable
- Capacity: 12.5ah-200ah
- Warranty: 2years
- Case: Blue Film or Metal Case
- Charger: Available
- Transport Package: Packed by Foam and Case and Carton
- Origin: Hunan, China
- Type: Lithium-Ion Batteries
- Nominal Voltage: 12/24/36/48/72/96/144/300V
- Shape: Flat Battery
- Installation: Packaged
- Weight: 1-200kg
- Voltage: 3.2V-400V(Increase Voltage in Series)
- Certificate: Un38.3/MSDS/UL/Ce/RoHS
- Protection: PCB/PCM/BMS
- Company Type: Reputed Factory
- Trademark: Melsen
- Specification: lifepo4 and NMC flat pouch cell
- HS Code: 8507802000
1. Battery Parameter
We have battery packs from 12v to 400v with 12ah to 200ah, here taking 72v 40ah as an example.
More battery packs are available, please see the left of this web page.
|72V 40Ah lithium polymer battery pack|
|Cell & Connection Mode||Ternary/Li(NiCoMn)O2, 19S1P|
|Electrical Characteristics||Rated Capacity||40Ah|
|High Rate Discharge Capacity||> 90% Rated Capacity|
|Discharge Capacity @ -20ºC(-4ºF)||> 70% Rated Capacity|
|Load Voltage||≥ 55V|
|Internal Impedance(@ 1000Hz.)||≤ 50mΩ|
|Cycle Life||>2000 Cycles @1C 100% DOD|
|Months Self Discharge||≤ 5% @ 25ºC(77ºF)|
|Efficiency of Charge||100% @ 1/3C|
|Efficiency of Disharge||95% @1C|
|Standard Charge||Max Charge Voltage||84V|
|Charge Cut-off Voltage||84V|
|Charge Current||1/3C, 13.3A|
|Max Charge Current||40A|
|Standard Discharge||Standard Current||40A|
|Max Discharge Current||3C, 120A|
|Discharge Cut-off Voltage||55V|
Pictures of 72V 40Ah lithium polymer battery pack
2. Main Features of Our EV Battery Cells
1. High energy density
|lifepo4 battery cell||LiNiCoMn battery cell (ab.NCM battery)|
|weight energy density||150wh/kg||200wh/kg|
|volume energy density||280wh/L||334wh/L|
2. Low internal resistance
Methods of reducing the internal resistance:
**Using carbon coated aluminum foil
**Multiple electrode tab design
**Increasing the width of electrode tab
**Coating PVDF on battery separator
Usable for more than 2,000 charge-discharge cycles
> 4 times than lead acid battery
> 2 times than li ion battery
4.Excellent performance in high and low temprature
Usable in extremely cold and hot environments (-20 to 60 ºC)
3. Some Related Application Case
Each battery module in parallel is fixed with steel parts,then put them together by pull rob.After this,there are covers to protect battery with case and BMS.
4. More other battery packs
4.1. our 3.6v modules , designed for big electric vehicles like 10kwh / 20kwh / 30kwh.
4.2. our 12v battery pack , designed for car start or small energy storage or solar. We also could make 12v with other capacity from 12ah to 200ah, please contact me for details.
4.3. our 24v battery pack , designed for small energy storage or solar. Other capacity is also available from 12ah to 200ah.
4.4. our 48v and 72v battery pack , designed for small electric vehicles like motorcycle or golf cart . Other capacity is also available from 12ah to 200ah.
5. Our battery cells catalog
Melsen uses Lithium Iron Phosphate (LiFeP) batteries for electric vehicle conversions. The battery cells utilize the latest advancements in nanotechnology.
All of our battery packs(12v-400v,12ah-200ah) are made of those following lithium ion pouch cells. These cells are very safe in normal operation, DO NOT cause fires as the early Lithium Phospate batteries.
The selected batteries solve the Safety concerns of being in an Electric Vehicle (EV) / Electric Car Conversion Kit, every cell has a built-in safety device if punctured or damaged, will vent to the atmosphere making the cell much safer.
Compared to lead acid battery, it is 4 time lighter in weight , and 4 time longer in lifespan.
Compared to li ion battery, it is 2 time lighter in weight , and 2 time longer in lifespan.
Compared to lithium ion square battery, it is 0.5 time lighter in weight , but much safer when using.
Discharge & Charge
6. Our company introduction
The largest lithium-ion battery production base for new energy vehicles.
Melsen Power Technology Co,Ltd. is a professional manufacturer engaging in research,development,production,marketing and service of lithium ion pouch battery cell, battery pack and battery management system.Those products are widely used in EV,HEV,UPS,solar and wind system and remote control products.
Located in Hunan National Economic Development Zone in 2012, Melsen power has registered capital of RMB 50 million and been proved by government to be a national high tech enterprise.
Melsen Power has more than 800 staffs,including 20 advanced managing people, more than 40 development and research engineers.It has building area of 120,000 square meters and 3 factory bases ,those are,Ningxiang base ,Changsha base and Shengyang base.
We has been pursuing quality policy of continuous innovation and improvement to meet customer's requirements.To realized full automation, we has introduced advanced foreign equipment and technology from Korea and Germany. To ensure the best quality,we has passed I S O 9 0 0 1 , I S O 1 4 0 0 1 and O H S A S 1 8 0 0 1 certifications.
Not only in local market,our products are also exported to abroad market like Euro,USA,India,Australia,Korea. Our sales volume reached 100 millions in 2015.
We stick to the company concept of human orientation and efficient innovation and we welcome customization.So, lets join together to promote the development of renewable energy and friendly environment.
7. Melsen Customer Feeback
We are happy with your battery quality. I've also been very happy with your good support,
let's continue discussions and work on more,tks.----Michael (from Berlin,Germany)
8. Order Information
Sample is avaliable and welcome.
Trade term: FOB Shenzhen or Guangzhou; EXW, CIF,DDU and DDP are available.
Delivery time: 7 working days for sample order, 15- 25 working days for mass order.
Do the batteries have a warranty?
§ Yes, currently 2 years; extended warranties are also available.
How long do the batteries last?
§ 10 years / 200,000 KM (124,275 miles) [calculated based on 100km battery pack]
§ 2000 charges & discharges at 100%.
§ This means approximately 10 years of normal use 200,000 KM. (124,275 miles)
§ Normal use is defined as 20,000km/year. (12,500 miles/year)
Do you use Lead Acid Batteries?
NO WE DO NOT! Our reasons:
§ Lead Acid Batteries do not allow as many charge & discharge cycles as advanced lithium batteries
§ Lead Acid batteries degrade after 300 charge cycles in an electric car until they expire, approximately 1.5 -2 years of driving
§ Not cost effective to change your battery pack every two years
§ Lead Acid is HEAVY, and reduces your range, doesn't supply continuous power