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Marine 12v 50ah lifepo4 battery pack
| Model | DL-1250/4S2P |
| Nominal voltage | 12.8V |
| Charge voltage | 14.6V |
| Nominal capacity | 50Ah |
| Battery cell | 3.2V 25Ah pouch LifePO4 cell |
| Internal resistance | ≤220mΩ |
| Discharge cut off voltage | 9.2V |
| End of charge current | 100mA |
| Charge method | CC/CV |
| Case dimension | 256*165*210mm(L*W*H) |
| Max continuous charge current | 25A |
| Max continuous discharge current | 50A |
| Max pulse discharge current | 75A(10S) |
| Net weight | 6.5KG |
| Charge temperature | 0~45℃ |
| Discharge temperature | -10~55℃ |
| Storage temperature | -10~45℃ |
| Lifecycle | 2000 times |
| Warranty | 2 years |
| BMS protection | over-charge,over-discharge,over-current,short circuit |
| Case color | black plastic case |
| Self-discharge rate | ≤3% |
Main advantages of 12.8V 50Ah LifePO4 battery pack:
1. Green energy,Non-toxic, non-polluting, wide range of raw materials, cheap
2. Long life cycle, 2000 times at 85% DOD.
3. It without heavy metals and environment friendly.
4. Maintenance free
5. Internal BMS with full protection,battery has high voltage protection with higher reliability.
6. No memory effect
7. High temperature performance is good
8. Capacity of single battery cell is big
9. High safety,no explosion,no fire
10. Quick charging
11. It is much ligher than lead acid battery
12. With LCD display,on/off switch and USB output
Main applications:
1) Energy Storage: UPS , backup ,power station.
2) EV : Golf trolleys , Electric scooters,electric boat
3) Solar System,Wind Energy Storage,Solar/Storage Home System, Solar Street Light.
4) Telecommunications Base Stations.
5) UPS(Uninterrupted Power Supply).
6) General Energy Storage (Such as: Back-up Power, Miner's lamp, portable power supply, digital products etc.)
Packing information:
2PCS of 12.8V 50Ah LifePO4 battery/Carton
Gross weight:15KG
Net weight:13KG
Carton dimension:49.5*33.5*29CM
Shipping methods:
1. For samples,we normally ship them by UPS,Fedex or special line(door to door service)
2. For bulk order,we usually delivery them by ship which will take 30-35 days to be arrived
1.Payment: 30% before mass production;70% balance will be paid before shipment or after bill of copy
2.FOB , EXW and CIF all are available
3.Samples can accept Paypal
4.If you place the Trade Assurance order on Alibaba,we also can accept credit card(VISA,Master Card),e-checking
Good feedback from clients:
1. All of your inquiry or emails will be replied within 12 hours
2. Our professional engineer team can provide you one stop battey solution
3. Battery voltage,capacity,case size and BMS can be customized
4. We can print your own logo on case or make customized label
5. We offer 2 years warranty and continuous technical support
6. If any quality problem,we will give you solution within 24 hours
7. We can help you to track shipping status so that you can receive the goods timely
8. We can protect your design,sales area and all of your private information
Shenzhen Delong Energy Technology Co.,Ltd is one of leading lithium ion battery manufacturer in China , our management teams have been in lithium ion battery field for more than 10 years,we have own factory and testing room and sales center.Our factory is located in Dongguan city,Guangdong Province which is occupied with more than 5,000 square meters,we have strong R&D department,more than 200 well trained workers who can ensure to make high quality and more stable products. Dongguan Delong is a CE,ROHS,IEC62133,ISO9001:2015 certificated high-tech factory.We specialized in developing,manufacturing new energy customized products which cover 18650 lithium ion battery pack, lithium polymer battery pack,AC output power banks and LifePO4 battery pack.Our products are widely applied on digital products,consumer products,LED lights,medical devices,solar systems ,energy storage system and electric vehicles.
Our Advantages:
1.Full capacity battery, 100% quality testing
2.Built-in BMS , safe and reliable
3.With Protection of short circuit ,over current, over charge and discharge and temperature protection function
4.Long cycle life and high energy density
5.Factory direct price and fast leadtime
6.Size and capacity can be customized
7.Small MOQ
8.Nice quality
9.Excellent after sales service
10.Provide continuous technical support
Q1:Can I have samples to test? And what is lead time for sample order?
A1:Yes,we can supply samples,the leadtime for samples is 7-10 days.and buyer pay for sample cost and shipping cost.
Q2: Do you provide after-sales serive?
A2: Yes,the warranty is 2 years, if any quality problems on our side in this period, we can send new one as replacement.
Q3 What is your company's advantage?
A3: We only supply high level quality of lithium battery and we gurantee on-time shipment,we also provide excellent after sales service
Q4: Do you accept OEM/ODM?
A4: Yes,it is avaliable.
Q5: What is your lead time for the mass production?
A5: General speaking, about 25-30 days depending on different items after getting down payment and confirmation about the samples.
Q6:Are you battery real capacity?
A6:All of our battery cells with Grade A,100% new and real capacity.
Q7:Are you a factory or a trading company?
A7:Shenzhen Delong Energy Technology Co.,Ltd. is a professional rechargeable lithium-ion battery and LifePO4 battery manufacturer,welcome to visit.
Q8: What kind of certificates do you have?
A8: We can provide CE,ROHS,FCC,IEC62133,MSDS,UN38.3 if your order quantity is big.