48V8.8ah Lithium-Ion Batteryproduct description| CELL | Model | 3.7V2.2AH |
| Nominal capacity | 2.2Ah |
| Nominal Voltage | 3.6 V |
| Impedance Resistance | ≤60mΩ |
| Combination standard | A:Capacity difference() ≤100mAh
B:Resistance difference() ≤2m C:remaining capability() ≥90%
D:Voltage difference() ≤10mV |
| Combination method | 13S4P |
| Manangement System | Overcharge Protection Voltage | 4.25±0.05V |
| Over discharge Protection Voltage | 2.80±0.10V |
| Over current Protection | 20~40A |
| Self-consuming current | ≤100.0uA |
| initial impedance | ≤50mΩ |
| Temperature protection | \ |
| Battery Group Specification | Nominal capacity | 8.8Ah |
| Minimum Capacity | 8.4Ah |
| Nominal Voltage | 48V |
| Resistance | ≤150mΩ |
| Max Charge voltage | 54.6V |
| Battery Group Specification | Discharge cut-off voltage | 27.5~30V |
| Wire | UL3135 12# (+) (-) |
| Standard charge | 2A(CC) charge to 42v, when 42V (CV) is reached, charge rate will reduce to 0.4(A) for full charge, at25±5ºC.
25±5ºC,2A42V,0.4A,. |
| charge method | Standard | 2A |
| Quick | 4A |
| charge current | Standard | 20A |
| MAX () | 40A |
| Weight | 3.5Kg |
Dimension
(H×W×L) | 361*92*90mm |
| Operating Temperature | Charging | 0~+45ºC ,At 60±25%RH |
| Dischargin | -20~+60ºC, At 60±25%RH |
| Storage temperature | Less than 3 months:-20~45ºC
Less than 1 year:-20~25ºC
3:-20~45ºC
1:-20~25ºC
At 60±25%RH |
company informationChangxing Tianhong lithium battery technology Co.,Ltd is a professional and high-tech company which with R&D and produce the rechargable lithium-ion battery which is located in Changxing country of Zhejiang province.the center of Hangjiahu Plain,Shanghai and South of Jiangsu.The company has a continuous innovation capability of the technology platform and large-scale production of high quality manufacturing system.Why choose us?I.OEM/ODM service for 12 years
II.Perfect sale service for global countries
III.Our product has been passed CE CB ROHS UN38.3 MSDS certificate
IV.We provide power battery 18 months warranty and storage battery 5 years warranty
V. We have built 2 European service center and building 3 more in Africa,America, Australia
Terms of Trade
1.Payment: 30% advance payment by T/T, 70% balance should be paid off before loading
2.FOB , EXW and CIF all are available
3.Production lead time:5-15 days
4.Sample can be delivered in 2-3 days
5.Shipping freight are quoted under your requests
6.Loading port: Shenzhen or Hongkong
7.Discounts are offered based on large quantities
Our service
1. Your inquiry related to our products or price will be replied within 24 hours.
2. All your inquiries will be well explained by our experienced staff.
3. OEM & ODM ,also provide customized service.
4. Distributorship is available for your unique design and some our current models.
5.We will keep secret for customer sale area ,design ideas and all other private information
FAQ
Q1:Can I have samples to test? And what is lead time for sample order?
A1:Yes,we can supply samples in 5-7 days depending on the product buyer want, and buyer pay for sample cost and shipping cost.
Q2: Do you provide after-sales serive?
A2: Yes,the warranty is 24months, if any quality problems on our side in this period, you can send to my company after sale service center.
Q3 What is your company's advantage?
A3: We only supply high level quality of lithium battery and we have a strong design center,we also provide high quality after sale service
Q4: Do you accept OEM/ODM?
A4: Yes,it is avaliable.
Q5: What is your lead time for the mass order?
A5: General speaking, about 7- 20 days depending on different items after getting down payment and confirmation about the samples.
Q6: What is your payment terms?
A6: Sample payment through Paypal or Western Union, and mass order by T/T or L/C.
Q7:Are you a factory or a trading company?
A7: Changxing Tianhong lithium battery technology Co.,Ltd. is a professional and high-tech company which R & D and produce the rechargeable lithium-ion battery which is located in changxing country of Zhejiang province.
Q8: What kind of certificate you have?
A8: CE,Rohs and MSDS etc.
Changxing Tianhong Lithium Battery Technology Co., Ltd is a professional battery manufactuer
1. We have built two after sale service in European countries and will built two more in UAS and Janpan
2. My company already have global insurance for all kinds of products
3. My company main products are ebike battery, power tools battery, UPS and LED street light
4. Rework rate of product is about 3‰
5. My company has own design department and do OEM and ODM service
