Note:This machine consists of directions in Chinese, If you would like the English edition of the user manual, please contact us and we are able to ship the electronic English version of the consumer handbook to you Description:Welcome to our store, where we proudly introduce an effective MPPT photo voltaic boost controller designed for photo voltaic panel programs This controller not only enables increase output but in addition comes equipped with a range of exceptional safety protections and intelligent features, making certain mushy operation and effective charging of your photo voltaic panel formulation product information:Category: MPPT Boost Solar ControllerBrand: EOEXBYModel: BT seriesMaterial: aluminum alloyProduct size: 13*8*3 cm 5*3*1 inPacking size: 15*8*3 cm 6*3*1 inNet weight: 0 350gGross weight: 0 360gPackage includes: Controller*1/fuse*2/Chinese User Manual(If you wish an digital English person manual, please contact customer service) Specifications:Input voltage12V-50VOutput voltage24V/ 36V/ 48V / 60V / 72VMaximum current12ARated power18V-300W/36V-450WCompatible batteryLead-acid/Lithium/Lifepo4/GelMPPT maximum power level monitoring technologyConversion efficiency98%Working temperature -20℃-60℃LED electronic show showsIntelligent fan cooling Fan turns on at temperatures above 38°C and turns off beneath 32°C User notice:1 controller is appropriate for photo voltaic panel inputs ranging from 12V to 50V and may increase output voltage from 24V to 88V for battery packs The battery packs can be open or sealed lead-acid battery packs, and it also helps lithium iron phosphate and lithium batteries Upon proper connection, the components begins automatically in sunlight LED electronic show lights up, signifying system initiation initiation, the LED digital exhibit shows photovoltaic panel current, power, and battery voltage When the charging current reads 0, the battery pack is fully charged, and charging stops Setting Battery Pack Charging Voltage,Connect the photovoltaic panel and simultaneously keep the plus and minus buttons The LED electronic show will blink Use the plus and minus buttons to set the charging voltage, and release the buttons to finish the surroundings Usage Usage SuggestionsAvoid overloading the controller For an 18V system, the utmost strength is 300W If utilizing two 18V solar panels, connect them in sequence or parallel For a 36V system, the utmost energy is 450W If using greater than two panels, join them in parallel Installation steps(1) Firstly, properly join the photo voltaic panel to the controller&;s enter terminal(2) Next, join the battery to the controller&;s output terminal the red wire of the input and output lines is hooked up to the advantageous terminal, and the black wire is connected to the destructive terminal(3)Wire length: To cut energy loss, preserve the wire length connecting to the controller as short as possible(4)Solar panel placement: When utilizing solar panels, place them in a local with satisfactory sunlight and no obstructions Obstructions can impact panel efficiency, leading to reduced components performance(5)Ventilation and cooling: The controller generates heat throughout operation To make certain long-term stable operation, install the controller in a well-ventilated surroundings to stop overheating(6)Fuse replacement: Strictly avoid changing fuses with those of higher rankings or utilizing substitutes like copper cord The controller&;s fuse is rated at 15A Proper fuse usage effectively protects the circuit and guarantees machine safety(7)Adhering to the above directions will enable you use our MPPT solar increase controller properly and safely For any queries or extra consultation, be at liberty to touch our customer support workforce Thank you in your support and collaboration!