|Internal resistance||≤ 0.35mΩ|
|Charge temperature||0°C ~ 55°C|
|Discharge temperature||-20°C ~ 55°C|
|Standard charge current||50A|
|Stanard charge voltage||3.65V|
|Standard discharge current||50A|
|Max continuous discharge current||100A|
|Max pulse discharge current||258A|
|Discharge cut off voltage||2.5V|
1) Environmental friendly
2) High density of energy
3) Light weight
4) Low self-discharge
5) Low internal resistance
6) Long cycle life, chargeable up to 500 times
7) No memory effect
8) Doesn't contain Mercury, No fire, No explosion, No leakage
9) Very good and quick charge, capability can be charged to 90% within 10 min.
10) Thickness can be adjusted while width and height keep the same
1) Energy Storage: UPS , backup ,power station.
2) EV : Golf trolleys , Electric scooters .
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.)
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
1. All the inquiries will be responded within 12 hours.
2. All our products are 100% brand new.
3. All our products are in good quality with nice appearance.
4. All our products are packed carefully to ensure it is intact when you receive it.
5. OEM/ODM are warmly welcome.
6. Any questions about us and our products are welcomed. We will answer you with patience.
7. More than 12 Hour online service. WhatsApp, Phone,We chat,Skype available.
8. Offer best after-sales service.
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.
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 3-5 days.and buyer pay for sample cost and shipping cost.
Q2: Do you provide after-sales serive?
A2: Yes,the warranty is 12 months, 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:Dongguan Delong Energy Technology Co.,Ltd. is a professional rechargeable lithium-ion 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.
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