Specification: Material: ABS Color: Black+Orange Display: LCD screen Batt Voltage: 12v/24v auto Rated Current: 10A, 20A, 30A Self-consumption: ＜10MA Working temperature: -35 ℃ -60 ℃ Max solar input: 12v battery, the highest 23v; 24v battery when the highest 46v Float charge: 13.7v(defaul, adjustable) Discharge stop: 10.7v(defaul, adjustable) Discharge reconnect: 12.6v(defaul, adjustable) Charge reconnect: 13v Voltage of open light: solar panel 8v(Light lights delay) Voltage of close light: Solar panel 8v(Light off delay) USB output: 2 way USB output, 5V/2.5A(MAX) Size: (L)X(W)X(H)133.5X70X35mm /5.26''X2.76''X1.38"(appr.) Feature: Build-in industrial micro controller Fully 3-stage PWM charge management Big LCD display, all adjustable parameter Dual mosfet reverse current protection, low heat production Dual USB output, the maximum current of 2.5A, to support Apple's mobile phone charging Build-in short-circuit protection, open-circuit protection, reverse protection, over-load protection Suitable for solar green light, solar light boxes advertising board, solar insecticidal lights, housing solar power generation system, marine solar power generation system, outdoor survival solar power generation system SAFETY INSTRUCTIONS 1.Make sure your battery has enough voltage for the controller to recognize the battery type before first installation 2.The battery cable should be as short as possible to minimize loss 3.The regulator is only suitable for lead acid batteries: OPEN,AGM,GEL, it is not suited for nickel metal hydride, lithiumions or other batteries 4.The charge regulator is only suitable for regulating solar modules. Never connect another charging source to the charge regulator SYSTEM CONNECTION 1.Connect the battery to the charge regulator-plus and minus 2.Connect the photovoltaic module to the regulator-plus and minus 3.Connect the consumer to the regulator-plus and minus The reverse order applies when deinstalling An improper sequence order can damage the controller Package included: 1 X Solar Charger Controller 1 X English Manual Note: - Please allow slight dimension difference due to manual measurement. - Please consider the actual sizes in the listing as the pictures are generally enlarged to show detail. - Due to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully. - Due to the light and screen difference, the item's color may be slightly different from the pictures. Thanks for your understanding.