1.High energy density and high voltage of 3.7V 2.Lighter and thinner, size could be flexible according to requirement 3.Extremely safe, low self-discharge and has long cycle life 4.Pollution-free, green product 5.Wide operation temperature: -20℃~60℃Q1: How about your daily output? A: Our daily output could reach 50000pcs. Q2: How many COTS models do you have? A:More than 2000COTS cells are available. Customized is also welcomed. Q3: Could you offer free sample to test? A: In general, we offer it for new customer after they pay the sample fee, and we will refund the sample cost for them when massive order is confirmed.. Q4: How about the shipping? A: We have some good-cooperated shipping agents. They have much experience in shipping batteries. You can also use your own forwarder. Q5: How many days will it take for the order? A: It usually takes about 7~10working days if there is stock. For customized or if there is no stock, the lead time would be about 30~40working days for mass production. 