The Best 3 Amp Charging Regulator of 2020 – Reviewed and Top Rated

2,104 Reviews Scanned

SaleRank No. #1
ALLPOWERS 20A Solar Charger Controller Solar Panel Battery Intelligent Regulator with USB Port Display 12V/24V
  • ►Rated Discharge Current: 20A; USB Output Voltage: 5V/3A; Battery Voltage: 12V/24V auto. Adjustable power rate with dual USB ports; 3-Stage(Bulk, ABS, Float) charge management and 4-Stage PWM charge. Please notice the controller might be power off if the battery voltage is too low.
  • ►Functionality: Equipped with industrial-grade STM 8 microprocessor to control the charger and discharge process and it has reliable battery to charge and discharge period management
  • ►Mutiple Electric Protection: Over-current and short-circuit protection, inverse connection protection, low voltage and overcharge protection
  • ►Good Heat Dissipation: Dual mosfet reverse current protection, low heat production(ALL electronic components generate heat when they are running,it is better to shelter them for better heat dissipation, avoid direct sunlight exposure or damp place)
  • ►Easy to Use: Comes with a display that can clearly indicate the status and data, it can be conveniently switched modes and parameter configuration, suitable for home, industrial, commercial etc. Warranty only against products from ALLPOWERS. Any items ordered from other sellers, ALLPOWERS will not be responsible for the After-Sales.
Rank No. #2
5A Waterproof Solar Charge Controller 6V 12V Auto, 5 amp Solar Panel Charging Regulator IP67 Waterproof 24Hours Load on for Lead-Acid (AGM Gel Seal Foolded) Battery
  • Mini Size solar controller Waterproof for small power system, IP67 Waterproof Rating make it suit for Outdoor Use
  • Battery Voltage: 6V / 12V auto; Rated Charge & Discharge Current: 5A; Maximum power of solar panel: 30W for 6V battery, or 60W for 12V battery
  • Easy to install and operate; Load On 24 Hours; Smart PWM technology, high efficiency
  • Prevent the battery from over charging, over discharging and Reverse discharging to solar panel during nights
  • IP67 Waterproof Rating make it suit for Outdoor Use like: Boat, water pump, Control landscape Lights and Water Feature
Rank No. #3
Renogy Wanderer 10 Amp 12V/24V PWM Negative Ground Solar Charge Controller Regulator Compatible with Bluetooth Module
  • Optimized for a 12V/24V system; Deep Cycle Sealed (AGM), Gel, Flooded and Lithium battery option ready.
  • Smart 4-Stage PWM charging (Bulk, Boost, Float, and Equalization) increases battery life and improves system performance. Intelligent protection against reverse polarity, overcharging, short-circuit, and reverse current.
  • Backlit LCD screen displays system operation, diverse load control, and error codes.
  • Integrated 5V 2A USB ports to charge USB devices. Compact in size makes it easy to install virtually anywhere.
  • Capable of charging over-discharged lithium batteries. Integrated RS232 port allows communication with BT-1 Bluetooth module and usage of Renogy BT smartphone app.
Rank No. #4
MOHOO Solar Charge Controller, 30A Solar Charger Controller, 12V/24V Solar Panel Intelligent Regulator with Dual USB Port and PWM LCD Display (Upgraded)
  • ❶【Solar Battery】MOHOO 30A Solar controller is can automatically manage the working of solar panel and battery in solar system. It is easy to set up and operate. For protecting the lifespan of your battery, once the voltage of the battery drop below 8V, the solar charge controller will turn off automatically (LCD will be unavailable at the same time).It's an very Intelligent unit for solar panel!
  • ❷【Dual USB Port】MOHOO 30A solar charge controller with dual USB ports for 12V/24V, with rated charge & discharge current 30A. Please make sure the battery has sufficient voltage so that the solar charge controller can recognize the normal battery type.
  • ❸【Multiple Electric Protection】NOTE: If the solar charge controller is set to 12V, when the battery voltage reaches 14.4V or 14.5V, the solar charge controller will stop charging and play a protective role. If it does not enter the floating state, please don't worry, the solar charge controller has a voltage limit value, will be not charge if the battery voltage reaches to 14.4V or 14.5V.
  • ❹【Easy to install and Operate】Solar controller can clearly indicate the status and data, it can be conveniently switched modes and parameter configuration. Install the solar charge controller to the battery as close as possible to avoid voltage dropping caused by over long wires and affect normal voltage judgment.
  • ❺【Good Heat Dissipation】Dual reverse current protection, low heat production. ALL electronic components generate heat when they are running, it is better to shelter them for better heat dissipation, avoid direct sunlight exposure or damp place.
SaleRank No. #5
20A Solar Charge Controller Solar Panel Battery Intelligent Regulator with Dual USB Port 12V/24V PWM Auto Paremeter Adjustable LCD Display
  • ☀☀☀20A SOLAR CHARGE CONTROLLER: Binen solar charge controller are UL 1741 certified, Rated Discharge Current: 20A; Battery Voltage: 12V/24V auto. Adjustable power rate with dual USB ports; 3-Stage(Bulk, ABS, Float) charge management and 4-Stage PWM charge
  • ☀☀☀SOLAR CONTROLLER FUNCTIONALITY: Equipped with industrial-grade STM 8 microprocessor to control the charger and discharge process and it has reliable battery to charge and discharge period management
  • ☀☀☀GOOD HEAT DISSIPATION: Dual reverse current protection, low heat production. ALL electronic components generate heat when they are running, it is better to shelter them for better heat dissipation, avoid direct sunlight exposure or damp place
  • ☀☀☀EASY TO USE: Over-current and short-circuit protection, inverse connection protection, low voltage and overcharge protection. Comes with a display that can clearly indicate the status and data, it can be conveniently switched modes and parameter configuration, suitable for home, industrial, commercial etc
  • ☀☀☀ SUITABLE BATTERY: Solar charge controller is only suitable for lead-acid batteries: OPEN, AGM, GEL, not for nickel hydride, lithium, Liions, or other batteries.
SaleRank No. #6
ZHCSolar Solar Charge Controller 80A PWM 12V 24V 1920W Solar Panel Charger Discharge Regulator with 5V USB Output Multip Circuit Protection Anti-Fall Durable ABS Housing Enhanced Heat Sink
  • High Charging Ability: Large Power 80 amp solar charge controller, 12V/24V Auto Identification, 5V USB output, Max PV Array input Voltage/Power (Battery Voltage): 24V/960W(12V), 48V/1920W(24V), Get Free Battery Monitor in the Package
  • Intelligent High-complex Protection Technology: Short Circuit Protection, Overcharge Protection, Over-current Protection, Reverse Connection Protection
  • ABS Material Shell Design: Anti-Fall & Durable Overall Design, Achieve the Longest Product Service Lifetime
  • Enhanced Heat Sink: High-Quality aluminum alloy Heat Sink, Super Efficient Heat Dissipation, the thickest Part can Reach to 0.12 In. Simple Operation: 1, Simple & Easy Button Operation 2, Adjustable Charge-Discharge Parameter 4, Operation Mode of Load is Settable
  • 2 Years Warranty, Lifetime Technical Support, 8 Hours Quick Response
Rank No. #7
EEEKit 20A Solar Charger Controller Solar Panel Battery Intelligent Regulator with USB Port Display 12V/24V
  • 【Rated Discharge Current】20A; USB Output Voltage: 5V/3A; Battery Voltage: 12V/24V auto; Adjustable power rate with dual USB ports; 3-Stage(Bulk, ABS, Float) charge management and 4-Stage pwm chargeintelligent optimized SOC control,has overcharge protection, overdischarge protection, anti-backflow protection, overheating protection, effectively ensure the system stability
  • 【Automatic Data Storage and Dual USB output】Automatically memorize various parameters set by the user, unexpected power failure can be stored, the data will not be lost after the battery is used up; This solar charge controller can simultaneously charge or supply power to two mobile phones, tablet PCs and other devices that require 5V power
  • 【Intelligent Safety Electric Protection】Intelligent control, automatic disconnection, data loss, special chip and dedicated software, intelligent control system based on expert control, intelligent optimized SOC control,has overcharge protection, overdischarge protection, anti-backflow protection, overheating protection, effectively ensure the system stability
  • 【LCD Display and Material】Made of high-strength plastic;The controller uses intuitive digital display settings, timing settings and digital display, intuitive display corresponding to one-button operation to complete
  • 【Easy to Use】Comes with a display that can clearly indicate the status and data, it can be conveniently switched modes and parameter configuration, suitable for home, industrial, commercial
Rank No. #8
HUINE 10A Waterproof Solar Charge Controller IP68 12V 24V Auto PWM Intelligent Battery Solar Controllers Regulator for RV Caravan Boat Off Grid Solar System (24 Hours Working Mode)
  • IP68 Rated (waterproof) Suitable for Outdoor Use. Intelligent 4-stage PWM charging.
  • Short circuit protection, over charge protection, over discharge protection, reverse protection. working mode is 24 hours working mode.
  • Maintains batteries and extends battery life. Automatically senses 12 or 24 Volt batteries.
  • Includes cables for attaching solar panel, battery, and load, 3 LED's lights provide solar charging status, battery level, and load status.
  • Compact size: Easy to mount directly to the frame of solar panel, with heat sink and 2pcs mounting holes
SaleRank No. #9
Renogy Adventurer 30A 12V/24V Negative Ground PWM Flush Mount Charge Controller with LCD Display, Compatible with Sealed, Gel, Flooded and Lithium Batteries
  • Compatible with 12V and 24V system; Deep cycle Sealed, Gel, Flooded and Lithium battery option ready.
  • The Adventurer is a negative ground controller. This ensure compatibility with any negative ground system, which is the standard and most conventional way of grounding. Any negative connection on the solar module, battery and load can be safely earth grounded as required.
  • Smart 4 Stage PWM charging (Bulk, Boost, Float and Equalization) and temperature compensation increases battery life and improves system performance. Intelligent protection against: reverse polarity, overcharging, short-circuit and reverse current.
  • Backlit LCD screen for displaying operating information and error codes. 5V 2. 4A USB port on the front display can be used to charge mobile phones, tablets, speakers, etc. RS232 port allows communication with BT-1 Bluetooth module and usage of Renogy BT smartphone app.
  • Designed to cleanly flush mount on walls, providing a sleek, integrated look. An included Surface Mount Attachment allows for versatility in mounting.
Rank No. #10
ZEALLIFE Solar Panels Charge Controller, 8A Battery Regulator for 12V Solar Battery Charger, Solar Battery Maintainer and 12 Volt Batteries Power Kit Safe Protection
  • 【 APPLY TO 12V SOLAR PANELS】:The 8A solar controller is used only for 12V solar panels and 12V batteries. The solar panels can convert light energy into electric energy stored in batteries which will be protected by the solar controller.
  • 【THE MAXIMUM INPUT OF SOLAR ENERGY IS 130W】:The maximum power of solar panels is130W, the maximum voltage 22V, and the maximum current 8A. It is suitable for 12V rechargeable batteries. In order to lengthen its service life, please do not overload.
  • 【EASY TO MONITOR THE LED INDICATOR LIGHTS】:The solar controller integrates two LED lights, green (fully charged) and yellow (charging). The product also provides overcharge, over-discharge, overload protection, as well as short-circuit and reverse-connection protection
  • 【QUICK AND EASY CONNECTION】:This solar charge controller uses SAE plugs for easy use and access to solar panels, batteries and loading equipment. Users don't have to worry about positive (+) and negative (-)
  • 【All-round protection 】:The product provides overcharge, over-discharge, overload protection, as well as short-circuit and reverse-connection protection. 【The controller needs to be connected to a battery to work. 】【Advantage 1: 】 It will turn off automatically at night, and won’t consume battery power. 【Advantage 2: 】If there is connection errors,it will not be damaged.

Last update on 2020-05-06 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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