Kweight Solar Lifepo4 Lithium Power wall 10kwh Battery lithium ion solar batteri 48V 100ah 200ah 51.2V

Established in 1999, Kweight Co. focus on R&D, manufacture, sales of lithium battery, battery management system, special batteries, UPS power, ultra-low temperature battery, supported by experts from different fields.
Relying on strict management and advanced QC system, company has invented various types of power supplty for military equipment, portable mobile terminal, UAV, telecommunication, domestical applicances, solar power electrical generation and energy storage system etc. Its performance indexes can reach leading level on the market.

We insist market-oriented principle, dedicating ourselves to supply customied power product and personal service to each client according to their special requirements.

1. Personal customized design to satisfy special requirement of clients

2. Supervise charging and discharging voltage and current of each cell in the pack 

3. Balance the charging condition among all cells

4. Calculate state of charge(SOC) in order to stop demage on battery pack caused by overcharging or overdischarging

5. Simultaneous working condition display by LED screen

6. Datas recording and analysis, cells with problem can be picked up, so that battery pack work under reliability and high-efficiency

7. Prolong battery pack's lifespan

Q1: Are you a manufacturer or trading company?

A1: We are manufacturer and trading company both, mainly focus on battery field. Meanwhile we have a professional technical team who design,  research and development according to market requirement. Specially, we are very good at providing comprehensive electric power supply solution.

Q2: Can you supply OEM service?
A2: Yes, your logo or trademark can be printed on battery container.

Q3: What information do you need in order to make a customized battery pack?
A3: We need the informations as below:
1. battery size&dimension you require
2. battery voltage
3. battery capacity
4. max discharge current

5. max power of electrical load

Q4: Is sample order acceptable?
A4: Yes, sample order is acceptable, and we can deliver the sample to you by air or by express.

Q5: Can you bear sample cost?

A5: Yes, we do it in this way: after sample order, when you place a formal order, we deduct the sample cost from the total amount.

Q6: What payment method can you accept?
A6: We accept T/T, L/C, western union, paypal, and Alibaba trade assurance is recommended.

Q7. How do you control the quality?
A7: We carry out strict inspection procedures: before manufacturing, our QC dep examine the lead to make sure the purity can reach 99.9%, meanwhile examines other raw materials; when 50% production and 100% production is done, we have thorough inspection; espacially, we do random testing during production.

1. What is Trade Assure?
Trade Assure is a free payment protection service for buyers.
The service is offered by 3-rd part suppliers, and is designed to protect your payment if your order is not delivered on time, or if the pre-shipment product quality (optional) does not match your requirement. 

2. How does it protect my order?
Alibaba Group will refund 100% of the your payment if:
- your order is not shipped on time as stated in contract.
- the products do not meet the quality requirements. 

3. How function Trade Assure
All we need to do is to draft a Trade Assure Order through Alibaba.com, you just confirm the order and make the payment by T/T, Credit Card or any other methods. The payment will go to a 3-rd part bank account. If you find there is any discrepancy with contract, you can complain it to Alibaba Group within 14 days after the reception of cargo, Alibaba will refund the money to your bank account. In this way the trade reputation is garanteed.