Model | DL-4820/13S2P |
Nominal voltage | 48V |
Charge voltage | 54.6V |
Nominal capacity | 20Ah |
Battery type | Grade A lithium polymer battery cell |
Battery configation | 13S2P |
Standard charge current | 4A |
Continuous discharge current | 25A(can be customized) |
Peak discharge current | 75A |
Discharge cut off voltage | 36.4V |
Warranty | 12 months |
Lifecycle | 500 times |
Charge method | CC/CV |
Charge temperature | 0ºC ~ 45ºC |
Discharge temperature | -20ºC ~ 60ºC |
Net weight | around 6.2KG |
Dimension | 138*138*178mm |
BMS protection | over-charge,over-discharge,over-current,short circuit |
Lithium ion battery features
• Operation temperature: -20~60ºC
• Lighter weight smaller size: half size of lead acid battery,
• Clean and Green energy, no toxic material contained.
• No memory effect, highly efficient charge anytime
• Low self-discharge<3% monthly and good discharge performance at high/low temperature.
• Long life times, 6-8 times of lead acid battery,large capacity and good shock resistance
• High energy density
• Low internal resistance
Applications
1. UPS, Solar, Wind, Mobile generator, Back up power
2. Solar power bank, Solar LED lighting, Solar street light
3. Scooter, E-bike, Golf cart, E-motor, E-tour car, tricycle
4. Electric drill, electric saw, lawn mower and so on
5. Remote control cars, boat, aircraft, toys
6. Medical devices, equipment and portable equipment
7. Blutooth, GPS, Wearable device, Power supply, Wireless
Packaging and shipping:
Standard export package or customized package
Shipping ways:
1.For samples,we normally ship them by HK UPS,Fedex or by special line(door to door service)
2.For bulk order,we usually delivery them by sea which will take 30-45 days to arrive
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
Our services:
1. We provide one year warranty,if any quality problem,we can replace new items for you
2. All of your inquiry or emails will be replied within 12 hours
3. Our professional engineers teams can provide you with one stop battery solution
4. Fast leadtime:3-5 days for samples;20-25 days for bulk order
5. All of the battery packs and accessories will be tested before shipment
6. We can help you to track the shipping status so that you can receive the goods timely
Company 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 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 as below:
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9098,Dongbian Business Building,Minzhi Road 369, Longhua District, Shenzhen,P.R.C.
Tel : +86 755 21012989
Phone:+86 13538138168
Email: info@delongbattery.com