Features 1、Can stabilize the voltage and reduce battery waste, have stable and excellent performance. 2、Up to one million charge‑discharge cycle life or 10 years DC, with resistance or active monomer balance function. 3、Have humanized design, simple operation, easy to install, convenient to use and operate. 4、Can be used to replace old or damaged relay module, made of PCB material, sturdy and durable. 5、Small in size and light in weight, convenient to carry and use at any time, very convenient and practical. Specification Item Type: Super Capacitor Balance Protection Board Material: PCB Specification: Maximum Charging Voltage: 3V (single) Maximum Charging Current (A): Unlimited (this current is related to the discharge current of the super capacitor) Maximum Discharge Current (A): Unlimited (this current is related to the discharge current of the super capacitor) Minimum Discharge Voltage: 0.1V Single Unit Balance Starting Voltage: 2.65V Balance Start Voltage Error: + 0.25% Single Balance Start Display: Red LED light is on Single Balance Current: Less than 1A DC Resistance: 8M Operating Temperature Range: -40 to 85℃ Storage Temperature Range: -40 to 85℃ Size: Approx. 231 x 36mm / 9.1 x 1.4in 5 Strings: 360F/400F/500F/ 650F/700F Package List 1 x Super Capacitor Balance Protection Board