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The main index for judging the battery performance
What's the difference between Lithium-ion batteries and Lead Acid Batteries?
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3.7V Lithium Battery
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Q:What about your after-sale service?
Wewill offer you 1 year guarantee and 10 years free maintenance. If there are any lithium battery problems, please inform us,we will offer you positive solutions.
Q:What if I can't find the battery model that fit our products?
We may notupdate some new lithium battery models online in time, you could contact us anytime to check,and we can provide customized design.
Q:What is the lead time of sample?
lithium battery samples willtakes 5-7 business days. It depends onquantity.
Q:What's the best 18650 battery ?
The best 18650 battery depends on the need of device youuse it in . You should choose an 18650 battery that is meet your device’sminimum discharge requirement, and then focus on discharge capacity.
Q:How to store the batteries?
The batteries should be stored at room temperature, chargedto about 30% to 50% of capacity.We recommend that batteries be charged about once per half 3months to prevent over discharge.
Q:What is over discharge?
After charge,test the batteries’ initial state. When thebatteries are normal, discharge to 0V at 0.5C. Observe changes in batteryappearance.
Q:what is overcharge?
After charge ,tested the batteries’initial state and capacity. Charge to 10.0V at 3C current, then charge to 0.01Cat CV mode .Observe changes in battery appearance.
Q:what is your package looks like? Can I have the customized package ?
We have factory’s current standardpackage ,customized print logo shall be complied to buyer’s requirements, andthe extra cost will be charged by the buyers ,for more details ,pleasecontact us.
Q:Can I get a lower price if I order large quantities?
Yes, cheaper price with more biggersize lithium battery orders.
Q: Do you have current sample in stock?
Usually wedon’t have, because customers have their different requests, even the voltageand capacity are the same, other parameters maybe different.
Q: How to know the quality problems after sales?
You can sent the photo &video of theproblems to us,or send back the physical problem battery by express to us, our engineerwill analyze the defective battery within 24 hours.
Q: What is over discharge?
After charge, test thebatteries' initial state. Whenthe batteries are normal, discharge to 0V at 0.5C. Observe changes inbattery appearance.
Q:Can I specify the lithium battery brand?
Yes ,you haveright to specify the lithium battery brand .we will take it to design a newsolution .
Q: Can I arrange the forwarder to pick up the goods by myself?
Of course , ifyou want to any assistance ,I will help you.