Polinovel ES series are customized batteries for specific applications to meet the special requirements of the battery voltage, capacity, charge-discharge current, size, connecting terminal, communication, and function.   The ES series batteries are larger in size than Polinovel standard lithium batteries that allow storing more energy in a single case. Polinovel Lithium Ion Battery Features · Customized battery size, specification and function to fit specific application · Offering maximum energy in limited size, optimum battery performance · Expert engineering team provide effective customize technical solutions · Patented screw fastening structure and intelligent BMS · Trustworthy innovative lithium battery manufacturer Custom Design  Customized lifepo4 battery size, shape, charge-discharge current, terminals, and other additional functions (such as RS485 communication, LCD screen) to perfectly fit the specific application. Maximum Power  Offering maximum energy in limited size. Consider from actual application requirements, scientifically design individual battery voltage, capacity to provide optimum battery performance. Effective Solution Expert engineering team understanding your ideas and quickly providing you lifepo4 battery solutions, it is the best choice to quickly find the right battery for your specific application. Lithium Battery Specification ES48400 Model: ES48400 Nominal Voltage: 51.2V Nominal Capacity: 400Ah Energy: 20480Wh Connection: Customizable Standard Charge Volt: 58.4V Discharge Cut-off Volt: 40.0V Standard Charge Current: 20A-100A Max. Charge Current: 100A Const. Discharge Current: 200A Peak Discharge Current: 400A (<5s) Dimensions (L x W x H): 927 x 460 x 475 mm Weight: 198kg Terminal Type: Customizable Case Material: Iron Enclosure Protection: IP54 Cell Type: Cylindrical Chemistry: LiFePO4 Communication: n/a Operation Temperature Range: Charge: -35 to 45 ºC (31 to 113 ºF); Discharge: -35 to 60 ºC (31 to 140 ºF) Storage Temperature Range (1;3;6 months): -20 to 60 ºC (-4 to 140 ºF); -20 to 45 ºC (-4 to 113 ºF); -20 to 25 ºC (-4 to 77 ºF)