.Voltage of single cell: 3.7V .Nominal voltage after battery pack combination: 24V .Capacity of single battery: 2.6ah .Battery combination mode: 7 strings and 10 parallels .Voltage range of battery after combination: 21v-29.4v .Battery capacity after combination: 26ah .Battery pack power: 673.4w .Battery pack size: 140 * 190 * 71mm .Maximum discharge current: < 26A .Instantaneous discharge current: 52a-78a .Maximum charging current: 0.2-0.5c .Charging and discharging times: ＞ 500 timesQ1: 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. Tooling cost would be free of charge once it reaches the target quantity.   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.Technology-With more than 20 years of battery manufacturing and automatic production line, xuanli can guarantee our products better products. R&D-Experienced R&D team with over 20 engineers for supporting ODM requirements Safety-Various tests are done at XUANLI to ensure the safety of our products for our customers. Certificates-ISO、UL,CB,KC certificated. Service-XUANLI has a professional sales team to provide professional project solutions and after-sale services.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 voltageAsia;Australasia;Central/South America;Eastern Europe;Mid East/Africa;North America;Western EuropeCountry of origin;experienced staff;green product;quality approvals