Product Information Weight: 360g Size: 360*330*2.5mm Controller size: 133 Packing size: 380*360*40mm Packing weight: 780g Packing list: solar panel*1 car charger*1 battery clip*1 30cm male cable*1 carabiner*2 suction cup*4 user manual*1 (dimensions are measured manually, there are certain errors.) Parameters Maximum power (pmax): 25W Open circuit voltage (voc): 20V Maximum power voltage (vmpp): 18v Short circuit current (isc): 1.5A Maximum power current (impp): 1.1A Output: USB 5V DC 18V Standard Test Conditions AM=1.5 Irradiance=1000W/ Temperature = 25 Features With polycrystalline solar cell A-level chip, it can be used for mobile phones, power banks, etc.Using advanced polyethylene coating technology, the surface of the battery is sealed with epoxy resin, and the color is beautiful. Lightweight and easy to carry. High conversion rate and high yield. High stability and good durability.High conversion efficiency, good output efficiency, light weight, easy to carry and strong applicability.Scratch resistant, non-foaming, easy to clean. Strong resistance, can resist different environments, good waterproof performance. All battery positive and negative electrodes are made of high-quality silver paste with high welding strength and low series resistance.Scope of application: car batteries, cars, RVs, ships, airplanes, satellites, space stations, outdoor farming, planting, tourism, solar street lights.