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 |
Storage temperature | -10ºC ~ 45ºC |
Net weight | around 6.2KG |
Dimension | 138*138*178mm |
BMS protection | over-charge,over-discharge,over-current,short circuit |
Lithium ion battery features
1, High energy density
2, High working voltage for single battery cells
3, Pollution-free
4, Long cycle life
5, No memory effect
6, Capacity, resistance, Voltage, platform time consistency is good
7, With short-circuit production function, safe and reliable
8, Low internal impedance
9, Good consistency, low self discharge rate
10, Light weight, small size
Applications
1.Light: headlamp, emergency light, sloar flashlight, searchlight, lanten,bicycle light, LED light, military
flashlight, high-end flashlight, high power flashlight, bright flashlight.
2.Outdoor sports products: camping light, mountain bike light, solor emergency light, self-defense flashlight,
3.Medical devices, electric bike, electric scootor etc.
4.Instruments and meters: water meter, gas meter.
5.Electric transportation vehicles: electric bike, electric car, e-scooter, electric motor
6.Power tools: electric drill, mower, UPS, GPS
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 send assembly goods and finished goods for your reference before delivery
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