Feature 1Features with short circuit protection, overcurrent protection, overcharge and overdischarge protection, store electrical energy function. 2Widely used in solar street lights, solar monitoring, solar Internet of things, solar lights, irrigation systems, intelligent systems etc. 3Small in size and light in weight, good waterproof heat dissipation performance, high charging efficiency. 4Built to meet standard specification, strictly follow factory quality control. 5This product has the characteristics of low power consumption, stable charge and discharge, easy installation and maintenance.Condition: 100% Brand NewItem Type: ControllerMaterial: AluminumColor: As shown in the pictureBattery Properties/Capacity: 18650 lithium battery 12V 4000MAH-200000MAH(Included)Solar Peak Input Voltage: 30V, 50VLoad Voltage Range: 9.6-12.6V, 10.0 -14.6 VStatic Power Consumption: <20mAService Life: 5-7 yearsOperating Temperature: -10-60Storage Temperature: -40-85Waterproof Rating: IP67Widely Used in: Solar street lights, solar monitoring, solar IoT, solar signal lights, irrigation systems, intelligent systems, etc., suitable for solar power supply systems. But your device must be 12V. The output voltage of this machine is the battery voltage. If it is not within this voltage range, it cannot work. Operate strictly in accordance with the instructions!Weight: Approx.1560g/55oz .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Controller2 x Connecting Line1 x Bag of Screw(12pcs)1 x Instruction ManualNote1.Pleaseallow12cmerrorduetomanualmeasurement.Thanksforyourunderstanding.2.Monitorsarenotcalibratedsame,itemcolordisplayedinphotosmaybeshowingslightlydifferentfromtherealobject.Pleasetaketherealoneasstandard.3.Strictlyfollowtheinstructions.