1. Q: What are your return and warranty policies?
If you receive an item that is damaged or defective,please keep all packaging for vitrification purposes.All damaged or defective batteries are NOT required to be returned to China usually,but our QC dept will require that photos be taken of damaged batteries which will help us expedite the process and provide a batter resolution.Our warranty policy is we will replace the defected lipo packs to customers one by one within 6 months under proper usages and storage excluding in a crash of lipo packs. 
2. Q: How many days does it take to send the products from payment have checked?
A: Generally speaking, we will send out the batteries to you within 7-15 business days after the payment checked, so would you please make the payment to our bank account after your confirmation of your samples order, then I will arrange the production for you ASAP to make you get the payment earlier. Thanks.
3. What do business conditions permit?
a.Term: EXW Dongguang.          
b.Payment: Bank transfer in advance and PayPal for samples order.          
c.MOQ: total 100 packs for OEM.      
4. What is your recommended voltage for storage?
A: With 3.8-3.85V, 3.8V is better.
5. Q: Why are they inflating? Is it water vapors (moisture) that's building inside the cell?
A: About inflating, it's not with water vapors. As for lipo batteries, the status of inside is like" solid-state". So if the lipo pack inflating/swelling, that's due to over-charging or over-discharging which damaged the inside structure of the lipo packs materials, and caused the gas, which seems will be swelled.
6. Q: The Lithium Polymer Cautions:
A: Lithium Polymer Batteries and packs that are abused may cause damage to the pack or the device resulting in personal injury.
a.Do not expose the battery to extreme heat
b.Do not short circuit battery
c.Do not puncture or modify the battery or pack
d.Do not immerse the battery in water
e.Never reverse charge the battery
f.Charge only with charger specified by equipment manufacturer
g.Operating temperatures for charging are 0℃to 45℃
7. Q: Does your price include shipping?
A: Our quotation is based on EXW DONGUAN, which is not including shipping cost. Thanks.