1. Sufficient capacity: using domestic and foreign brand raw materials, sufficient capacity, low internal resistance, and stable voltage 2. Stable performance: long cycle life, high energy density, wide operating temperature range, stable discharge voltage1.Q:Are you really factory or just trade company? A: We are factory, founded in 2009, if you don’t believe our words, we can show you a live video. 2.Q:What's the main products of XUANLI? A: Rechargeable lithium ion battery, LiFePO4 battery, Li-polymer battery, Ni-MH battery and Charger. 3.Q: How long is the warranty time? A: We offer you 1-2 years guarantee. If you find any problems, feel free to contact me. 4.Q: How to proceed with an order? A: We make customized battery, with check details such as application, voltage, capacity, size, discharge current, order quantity, etc., then quote based on your request, if no problem ,we can draft sample order for your confirmation and arrange payment, then we make sample for testing. 5.Q: Can I ask for sample? A: Yes, we accept sample order to evaluate our battery quality. 6.Q: How’s your leadtime? A: 2-5 work days for samples, 15-25 work days for mass production depends on the order quantity. If it’s special model or complex design, leadtime will be longer. 7.Q:Is it OK to print my logo on it? A: Yes, as long as you provide authorization to us, we will print logo on battery. 8.Q: What’s the payment terms? A: Sample fee should be 100% prepaid. For mass production, payment terms is 30% deposit, 70% balance to be paid before shipment. For big amount, we can discuss better payment terms for you after 2-3 orders. 9.Q: Is the battery showing on the webiste the latest price? A: No, it's not, please check with us for the latest price, what's more, battery may looks the same outside but the inside and parameters can be very different, for example, we may choose different cells , PCM and connectors for your project, those will definitely affect the price. 