48V 17.5ah Downtube Lithium Battery Hailong Case with 5V USB Port

Features of 48V 17.5Ah Hailong downtube ebike battery:

1.High energy density

2.Long lifecycle:above 500 times

3.With 5V USB output which can charge for smartphones and other 5V digital products

4.Current of BMS can be customized

5.Safe: The li-ion electric bike battery is more safe and reliable than the lead acid one. It does not explode or burn when bump, heavy stress, needle pricking, short circuit, overcharge and overheat.

6.Intelligent charge system: voltage of each cell can be detected ,each cell can be protected against overcharge, overvoltage ,short circuit and overheat , and so that battery can be charged balance. The capacity of readout power volume :each battery has 4 LED lights to show the capacity of the battery.



Packaging and shipping:
 

Packaging:Inner packing with EPE pearl cotton,

outer packing with strong cardboard cartons

or customerized packing

Shipping ways:

1.For samples,we normally ship them by UPS or by special line(door to door service)\

2.For bulk order,we normally ship them by sea which will take 30-45 days to arrive

Our services:

1.Our professional sales team will reply your inquiry or emails within 12 hours

2.Capacity and size can be customized , Individual Li-ion battery can be assembled in parallel or series into stacks as required by customers.

3.Strong R&D team to support,we can provide you one stop battery solution

4.Provide A grade battery cells, 100% quality assurance.

5.Competitive price, good after sales service,if there are any quality problem,we can replace new one for you

6.We will track the shipping status time by time so that buyer can receive our goods in time and safely.

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 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.



FAQ:

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:Shenzhen Delong EnergyTtechnology 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.