{"product_id":"dc-8-28v-5a-100w-mppt-solar-board-regulator-controller-9v-12v-24v-auto-switch-solar-charging-board","title":"DC 8-28V 5A 100W MPPT Solar Board Regulator Controller 9V 12V 24V","description":"\u003cp\u003eDiscover the DC 8-28V 5A 100W MPPT Solar Board Regulator Controller 9V 12V 24V — a standout decor pick featuring adjustable, professional, soft design for dependable, everyday performance.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cp\u003eBrand Name: Aideepen\u003c\/p\u003e\u003cp\u003eCondition: New\u003c\/p\u003e\u003cp\u003eType: Switch\u003c\/p\u003e\u003cp\u003eProduct Features:\u003c\/p\u003e\u003cp\u003e1. MPPT Maximum Power Point Tracking technology automatically adjusts output current to maximize solar energy utilization\u003c\/p\u003e\u003cp\u003e2. Wide input voltage range (DC 8-28V) accommodates multiple battery types with strong compatibility\u003c\/p\u003e\u003cp\u003e3. Ultra-low power consumption design minimizes voltage loss, boosting conversion efficiency to 95% peak\u003c\/p\u003e\u003cp\u003e4. Multiple protection features including reverse polarity protection and nighttime backflow prevention for enhanced safety\u003c\/p\u003e\u003cp\u003e5. Industrial-grade operating temperature range (-40°C to +85°C) ensures stability and reliability in extreme environments\u003c\/p\u003e\u003cp\u003eProduct Specifications:\u003c\/p\u003e\u003cp\u003eProduct Name: MPPT Solar Panel\u003c\/p\u003e\u003cp\u003eInput Voltage: DC 8-28V (Supports charging 6V or 12V lead-acid batteries; 8.4V, 12.6V, 16.8V lithium batteries; 7.2V, 10.8V, 14.4V LiFePO4 batteries; 2-4 series lithium batteries; LiFePO4 charge management boards)\u003c\/p\u003e\u003cp\u003eOutput Voltage: DC 5-26V infinitely adjustable\u003c\/p\u003e\u003cp\u003eOutput Current: 5A\u003c\/p\u003e\u003cp\u003ePower: 100W\u003c\/p\u003e\u003cp\u003eCharging Indicator: Yes. Red light steady during fast charging; alternating red\/blue flashes when fully charged. Auto-stop upon full charge.\u003c\/p\u003e\u003cp\u003eMPPT Function: Yes. MPPT maximum power point tracking maximizes solar charging efficiency.\u003c\/p\u003e\u003cp\u003eMinimum Voltage Drop: 1V (As a step-down voltage regulator, input must be at least 1V higher than output)\u003c\/p\u003e\u003cp\u003eUltra-Low Power Consumption: Yes. Utilizes ultra-low voltage drop design for low power consumption and higher conversion efficiency, professionally tailored for solar panels.\u003c\/p\u003e\u003cp\u003eOperating Temperature: Industrial Grade (-40°C to +85°C)\u003c\/p\u003e\u003cp\u003eLoad Regulation: ±1%\u003c\/p\u003e\u003cp\u003eVoltage Regulation: ±0.5%\u003c\/p\u003e\u003cp\u003eConversion Efficiency: Max: 93% Peak: 95% (Varies under different light conditions)\u003c\/p\u003e\u003cp\u003eCharging Mode: Fully automatic intelligent three-stage charging mode. Automatically adjusts charging current based on solar power tracking.\u003c\/p\u003e\u003cp\u003eNo-Load Current: 3mA. Easily auto-starts even under weak morning sunlight, eliminating manual switching.\u003c\/p\u003e\u003cp\u003eInput Reverse Protection: Yes. MOSFET ultra-low voltage drop reverse protection. Unit stops operation upon input reverse connection.\u003c\/p\u003e\u003cp\u003eOutput Reverse Flow Protection: Yes. Effectively prevents battery backflow charging the panel at night.\u003c\/p\u003e\u003cp\u003eWiring Method: Terminal blocks provided\u003c\/p\u003e\u003cp\u003eMPPT Voltage: Fully adjustable. Different solar panels have varying MPPT voltages. Low-power design minimizes voltage loss. MPPT prevents slow charging caused by batteries dragging down panel voltage\u003c\/p\u003e\u003cp\u003eModule Characteristics: True MPPT (Maximum Power Point Tracking) functionality, fully automatic intelligent charging management, low power consumption\u003c\/p\u003e\u003cp\u003eDimensions: 5.8 × 3.7 × 2.2 cm\u003c\/p\u003e\u003cp\u003eDescription:\u003c\/p\u003e\u003cp\u003eFeatures advanced MPPT (Maximum Power Point Tracking) technology with a 5A high-current intelligent trickle, constant-current, and constant-voltage charging management board. Automatically stops charging when full, enters sleep mode at night, and self-activates during daylight hours for unattended intelligent management.\u003c\/p\u003e\u003cp\u003eAbout MPPT:\u003c\/p\u003e\u003cp\u003eMPPT (Maximum Power Point Tracking) ensures photovoltaic modules consistently deliver peak power output despite varying sunlight intensity, maximizing solar energy utilization. Under normal conditions, it automatically adjusts charging current based on real-time solar irradiance, maintaining the solar panel's output at its maximum power point to optimize the product of output voltage and charging current (total power).\u003c\/p\u003e\u003cp\u003eProduct Application Range:\u003c\/p\u003e\u003cp\u003eSuitable for 1W-100W solar panels operating at 9V-28V (9V, 12V, 18V, 24V) to charge batteries, NiCd, NiMH, and Li-ion batteries (battery packs). wind turbines, solar street lights, etc. Both input and output terminals utilize high-grade high-frequency low-impedance electrolytic capacitors (LOWESR) specifically designed for switching power supplies, ensuring effective filtering of output ripple and elimination of switching power supply glitches.\u003c\/p\u003e\u003cp\u003eCharging Management Board Features:\u003c\/p\u003e\u003cp\u003e1. Maximum Power Point Tracking (MPPT) for solar panels, delivering output current exceeding panel input. True ultra-high efficiency MPPT supports 8-28V solar panels up to 100W. (Recommended one module per solar panel; multiple modules can be paralleled to increase charging current).\u003c\/p\u003e\u003cp\u003e2. Fully adjustable output voltage with CC-CW automatic control (supports single\/multiple cells of lithium, lithium iron phosphate, or lead-acid batteries; high-power LEDs, etc.).\u003c\/p\u003e\u003cp\u003e3. Comprehensive battery charge management.\u003c\/p\u003e\u003cp\u003e4. PWM switching frequency: 300KHz.\u003c\/p\u003e\u003cp\u003e5. Constant current charging set via external resistor (preset 5000mA\/2000mA).\u003c\/p\u003e\u003cp\u003e6. Trickle charging for deeply discharged batteries.\u003c\/p\u003e\u003cp\u003e7. Dual charging status indicators: Red LED on during charge \/ Blue LED on when full \/ Red flashing with blue steady indicates no battery connected.\u003c\/p\u003e\u003cp\u003e8. Low-power soft-start function using imported high-frequency dual MOSFETs with low on-resistance, 10A high-current dual diodes, high-efficiency flat-profile power inductor, constantan current sensing resistor, low-dropout reverse polarity protection. Reverse connection prevents operation, safeguarding the charger board from damage.\u003c\/p\u003e\u003cp\u003eDebugging Method:\u003c\/p\u003e\u003cp\u003eStep 1: Connect the solar panel without connecting the battery to be charged. If output voltage is present, proceed to Step 2. If no output, slowly turn the MPPT knob counterclockwise until output voltage appears.\u003c\/p\u003e\u003cp\u003eStep 2: Turn the output voltage knob counterclockwise until the red and blue lights flash. Then coarsely adjust the output voltage to the full-charge cutoff voltage.\u003c\/p\u003e\u003cp\u003eStep 3: Connect the discharged battery. Monitor the charging current with an ammeter in series at the output. Fine-tune the MPPT potentiometer until the charging current peaks.\u003c\/p\u003e\u003cp\u003eStep 4: Connect a freshly charged battery. If the blue LED illuminates, increase the output voltage clockwise until the red LED activates. Then slowly decrease the output voltage counterclockwise until the blue LED just illuminates. Use a multimeter to verify the cutoff voltage is correct to prevent overcharging.\u003c\/p\u003e\u003cp\u003eMethod using a regulated power supply instead of solar:\u003c\/p\u003e\u003cp\u003eStep 1: Set the regulated power supply to the solar MPPT voltage (e.g., 18V).\u003c\/p\u003e\u003cp\u003eStep 2: Connect the regulated power supply to the input terminal without connecting the battery. If output voltage is present, turn the MPPT clockwise until output voltage disappears. Then slowly turn the MPPT counterclockwise until output voltage just appears.\u003c\/p\u003e\u003cp\u003eStep 3: Turn the output voltage counterclockwise until the red and blue lights flash. Coarsely adjust the output voltage to the full-charge cutoff voltage.\u003c\/p\u003e\u003cp\u003eStep 4: Connect a freshly charged battery. If the blue light illuminates, turn the output voltage clockwise until the red light illuminates. Then slowly turn the output voltage counterclockwise until the blue light just illuminates. Use a multimeter to verify the cutoff voltage is correct to prevent overcharging.\u003c\/p\u003e\u003cp\u003eImportant Notes:\u003c\/p\u003e\u003cp\u003eFor the first charge, pre-adjust the output voltage and closely monitor the battery voltage to prevent overcharging! Do not charge unprotected lithium batteries.\u003c\/p\u003e\u003cp\u003eShipping Contents:\u003c\/p\u003e\u003cp\u003eModule x1\u003c\/p\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003ch4\u003eQ: What is the DC 8-28V 5A 100W MPPT Solar Board Regulator Controller 9V?\u003c\/h4\u003e\u003cp\u003eA: The DC 8-28V 5A 100W MPPT Solar Board Regulator Controller 9V is a quality decor pick. MPPT Maximum Power Point Tracking technology automatically adjusts output current to maximize solar energy utilization 2.\u003c\/p\u003e\u003ch4\u003eQ: How do I use the DC 8-28V 5A 100W MPPT Solar Board Regulator Controller 9V?\u003c\/h4\u003e\u003cp\u003eA: The DC 8-28V 5A 100W MPPT Solar Board Regulator Controller 9V is ready to use right out of the box and makes an easy addition to your decor lineup.\u003c\/p\u003e\u003ch4\u003eQ: Why choose the DC 8-28V 5A 100W MPPT Solar Board Regulator Controller 9V?\u003c\/h4\u003e\u003cp\u003eA: The DC 8-28V 5A 100W MPPT Solar Board Regulator Controller 9V stands out in our decor range — Wide input voltage range (DC 8-28V) accommodates multiple battery types with strong compatibility 3.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the DC 8-28V 5A 100W MPPT Solar Board Regulator Controller 9V?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The DC 8-28V 5A 100W MPPT Solar Board Regulator Controller 9V is a quality decor pick. 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