1. With more than 12years' experience and more than 600 skilled staff serve you. 2. Factory ISO9001:2015 approved and most products comply with UL,CB,KC standards. 3. Wide range of production line covers Li-polymer battery,Lithium ion battery, and battery pack for your various demand.1. Long operation life: Cycle life is up to 1000 times in normal conditions; 2. Low self discharge: 80% capacity retention after 1year; 3. Strong emergency adaptability: It can charge quickly in 1~6h in emergency conditions; 4. Wide operation temperature range: It can be operated in the environment of -20~+60 centigrade; 5. Good safety and reliability: Each battery has a safety valve, so it can have high safety and reliability during long-period operation process or in major failures; 6. Pollution-free and no memory effect; 7. Different configuration could be met.Applications: Bluetooth earphone, smart watch, smart wearable, bank Ukey, POS device, medical equipment and other portable devices. Trading details: (1) Packing: industrial packing (can be as customer's requirements) (2) Delivery lead time: usually 15-35 business days after payment (3) Payment term: T/TQ3: 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. 