Basic Info.
Type
Lithium-Ion Battery Pack
Connection Mode
Series and Parallel
Discharge Rate
Medium Discharge Rate
Accessories Type
Chargers
Components
Battery Cells+BMS+Connector
Battery Type
18650 Lithium Ion Battery Cell
Product Name
Customized 1000W 48V 20ah Lithium Battery Pack for
Discharge Cut off Voltage
36.4V
Competitive Price
Direct Factory Price
Transport Package
Standard Export Carton
Specification
300*130*70mm
Product Description
1000W 48v 20ah Li-ion lithium battery for electric bike
Product description:Model | DL-4820 |
Nominal voltage | 48V |
Charge voltage | 54.6V |
Nominal capacity | 20Ah |
Battery type | Grade A 18650 lithium ion battery cell |
Battery configation | 13S8P |
Standard charge current | 4A |
Continuous discharge current | 25A |
Momentary discharge current | 75A |
Discharge cut off voltage | 36.4V |
Battery pack dimension | 300*130*70mm(L*W*H) |
Net weight | 5.1KG |
Warranty | 1 year |
Lifecycle | 500 times |
Charge temperature | 0°C ~45°C |
Discharge temperature | -20°C ~60°C |
BMS protection | over-charge,over-discharge,over-current,short circuit |
Fit motor | 750W,1000W |
18650 battery cells quality:
Quality Lithium-ion cells with high power and energy density;
Passed abuse tests of over-charge/discharge test, high-low temperature test, impact test and puncture test;
With good safety performance, without problems of short-circuit, leakage, inflammation and explosion;
No memory effect, low self-discharge rate;
Environment-friendly;
Long cycle life,after 500 times charge and discharge,the remaining capacity is 80%
Packaging and shipping:
1. Package: Industrial package, Customized package or international transportation standard package
2. Shipping: by Express(UPS,DHL,FedEx,TNT,EMS....),by parcel post, by air,by sea and by special economical way;by express will take 4-5 business days to be arrived;by air will take 5-7 days;by sea will take 30-45 days
Our services:
1.Will reply your inquiry or emails within 24 hours
2. Guarantee: above 500 times
3. High efficiency: Fast, Accurate, Quality, High cost efficiency
4. Will tracked the shipping status untill well received
5. Quality: one by one test before shipment
6. If there are quality problem,we can replace new one for you
Payment:
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
Company information:
Shenzhen DeLong Energy Technology Co., Ltd. is a professional new energy supplier in China focusing on the manufacture, research and sale of lithium ion battery product worldwide. Our lithium ion battery products are widely applied on digital device, electric vehicle, electric tool and back-up power system, bluetooth headset, digital camera, MP3 player, cellular phone, PDA, DMB, digital camcorder, mining lamp, RC model airplane, electric vehicle, etc.
Our management temas have been in rechargeable lithium ion battery field for more than 10 years,we have own factory and testing room.We have passed the ISO9001,and we can provide you with many kinds of certifications like CE,ROHS,FCC,UL,IEC62133,MSDS and UN38.3.We can give you good battery solutions.If any inquiry,welcome to inquiry!
FAQ:
1. Q: Do you have current sample in stock?
A: Usually we don't have, because different customers have different requests, even the voltage and capacity are the same, other parameters maybe different. But we could finish your sample quickly once order confirmed.
2. Q: What's the delivery time for mass production?
A: Usually 20-30 days after payment or deposit,it depends on the quantity, material, battery cell model and so on, we suggest to check delivery time case by case.
3. Q: What kind of certificates could you provide for the battery?
A: It's custom-making design, no current certificate, but we could apply CE, UL, UN38.3 and other related certificates for you, but the certificates fee needs to be paid by you, if your quantity is big enough, certificates fee could be refunded.
4. Q: Do you offer charger for battery?
A: Yes, we do. If you also need charger, please mention it when sending inquiry, kindly note that our charger cost is not included in the battery cost. We have some partnered charger factory.
5. Q: Are you manufacturer or simply trading company?
A: We are professional lithium battery manufacturer, and we sincerely welcome you to visit our factory!
6. Q:What is your payment terms?
A:30% deposit before production,balance payment will be paid before shipment or after copy of bill.
Address:
9098, Dongbian Business Building, Minzhi Road 369, Minzhi Street, Longhua, Shenzhen, Guangdong, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Consumer Electronics, Electrical & Electronics, Industrial Equipment & Components
Management System Certification:
ISO 9001, FSC
Company Introduction:
A Professional Manufacturer of Lithium Ion Batteries<br><br>Shenzhen DeLong Energy Technology Co. Ltd is a professional new energy supplier in China focusing on the manufacture, research and sale of lithium ion batteries worldwide. Our lithium ion batteries are widely applied on digital device, electric vehicle, electric tool and back-up power system, Bluetooth headset, digital camera, MP3 player, cellular phone, PDA, DMB, digital camcorder, mining lamp, RC model airplane, electric vehicle and more. <br><br>Providing Excellent Services<br><br>We developed some high quality lithium ion batteries with our company technology characteristics. Through previous long term research and experience accumulation, DeLong battery won a good reputation and has become a popular brand in the international market attributing to the long cycle life, high energy density, stable work performance under different temperature environment and good safety performance. Our production capability goes up to 100, 000 pieces per day by upgrading our current production facility in according to our conditions. <br><br>Benefit from Our Advantages<br><br>Bearing the sincere, tolerant and modest attitude we won our clients and markets recognition by offering our professional and sincerely services. Our company takes three cooperation modes such as brand marketing by ourselves, agent cooperation and manufacturing in according to the client demand. These operation ways will enable us to become one of the leading and professional energy suppliers in the new energy industry with a high efficiency and influence.