Top 10 Battery Tender Charge Controller – Solar Panels

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1. Battery Tender

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Battery Tender 5-45W Automatic Solar Controller

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Battery Tender #ad - 3 year limited warranty. Battery tender solar controller allows you to convert an existing solar panel into a solar charger using Battery Tender patented Super Smart Charging Algorithm. Usable input range between 5-45 Watts. Reverse polarity and spark proof operation. Small and compact charge controller.
BrandBattery Tender #ad
ManufacturerBattery Tender #ad
Height1 Inches
Length5 Inches
Weight0.3 Pounds
Width5 Inches
Part Number0211162
Model021-1162
WarrantyManufacturer Warranty

2. Battery Tender

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Compatible with 12V, 48V Lead-Acid and AGM, Battery Tender 50 AMP, 12V Lithium Batteries, 24V, 36V, 12V/24V/36V/48V PWM Solar Panel Controller

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Battery Tender #ad - 3-stages: determine battery connection, voltage & charge; if battery drops below selected voltage, output will turn off & battery will charge; once battery charged to selected voltage, output turns on. 50 amp pwm: compatible with 12v/24v/36V/48V lead-acid and AGM, 12V lithium batteries. Max input: 100v; 12v @ 750w, 24v @ 1500w, 36v @ 2250w, or 48v @ 3000W. Includes: 50 amp 12v/24v/36v/48v pwm solar charge controller, temperature sensor cable for lead-acid/AGM batteries, 2-year warranty and lifetime customer support. Max output: 12vdc, 50 amps and dual USB to support mobile device charging.
BrandBattery Tender #ad
ManufacturerDeltran #ad
Part Number021-1177

3. POWOXI

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Solar Battery Maintainer and 12 Volt Batteries Power Kit, 8A Battery Regulator for 12V Solar Battery Charger, POWOXI Solar Panels Charge Controller

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POWOXI #ad - Quick and easy connection:this solar charge controller uses SAE plugs for easy use and access to solar panels, batteries and loading equipment. Advantage 2: if there is connection errors,it will not be damaged. Apply to 12v solar panels:the 8a solar controller is used only for 12V solar panels and 12V batteries.

The product also provides overcharge, as well as short-circuit and reverse-connection protection. Advantage 1: it will turn off automatically at night, and won’t consume battery power. Users don't have to worry about positive + and negative -. The maximum input of solar energy is 130w:the maximum power of solar panels is130W, and the maximum current 8A. In order to lengthen its service life, the maximum voltage 22V, please do not overload. The controller needs to be connected to a battery to work.

The solar panels can convert light energy into electric energy stored in batteries which will be protected by the solar controller. Easy to monitor the led indicator lights: the solar controller integrates two LED lights, overload protection, over-discharge, both green and red indicator lights on fully charged and only the red one charging. All-round protection :the product provides overcharge, over-discharge, overload protection, as well as short-circuit and reverse-connection protection. It is suitable for 12V rechargeable batteries.
BrandPOWOXI #ad
ManufacturerPOWOXI #ad
Height3.9 Inches
Length4.7 Inches
Weight5.9 ounces
Width1.5 Inches
Part NumberSolar Panels Charge Controller 8A
ModelSolar Panels Charge Controller 8A

4. Renogy

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Gel, Flooded and Lithium Battery, Renogy 10 Amp 12V/24V PWM Negative Ground Solar Charge Controller Compact Design w/LCD Display for AGM, Wanderer 10A

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Renogy #ad - Multiple battery adaptation Deep Cycle Sealed AGM, Gel, Flooded and Lithium battery option ready. Wanderer10a|30a installation notes the default starting position of the wanderer controller terminal hatches are closed in the UP position that could mistakenly look like an open wire hatch.

Intelligent protection against reverse polarity, and reverse current. Compact in sizeWhich makes it easy to install virtually anywhere. Make sure to first lower each terminal hatch by screwing the terminals counterclockwise CCW to expose the wire terminal hatch to the open position. Smart 4-stage pwm chargingsmart 4-stage pwm charging bulk, Boost, overcharging, Float, short-circuit, and Equalization increases battery life and improves system performance.1

12v/24v automatically detectautomatically detects 12v or 24V DC system voltages, customizable parameters, and the LCD screen and multiple LED indicators display the solar charging and battery operation information, and error codes. Then secure each cable by rotating the screws clockwise CW to the closed position.
BrandRenogy #ad
ManufacturerRenogy #ad
Height1.1 Inches
Length4.7 Inches
Weight0.27 Pounds
Width3 Inches
Part NumberWanderer 10A
ModelWanderer 10 Amp 12V/24V
Warranty1-year material warranty

5. Battery Tender

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Compatible with Lead-Acid and AGM Batteries, Battery Tender 10 AMP, 12V/24V PWM Solar Panel Controller

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Battery Tender #ad - 3-stages: determine battery connection, voltage & charge; if battery drops below 10V, output will turn off & battery will charge; once battery charged to 12. 5v, output turns on. Max input: 50v, 12v at 150w or 24V at 300W. Max output: 12vdc, 10 amps and USB port to support mobile device charging. Includes: 10 amp 12v/24v pwm solar charge controller, 2-year warranty and lifetime customer support. 10 amp pwm: compatible with 12V/24V lead-acid and AGM batteries.
BrandBattery Tender #ad
ManufacturerDeltran #ad
Part Number021-1175

6. SUNER POWER

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Built-in Intelligent MPPT Charge Controller, 20W Solar Panel Trickle Charging Kit for Car, etc, RV, Motorcycle, Marine, SUNER POWER Waterproof 12V Solar Battery Charger & Maintainer Pro

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SUNER POWER #ad - Us patent pending! intelligent charge & maintain built-in intelligent mppt charge controller, generates at least 10%-20% more power than traditional controller. Come with 3-piece SAE cable kits, easy to use. Full protections prevent the battery from over-charge, discharge, waterproof and spark-proof, over-voltage, and short circuit, reversed polarity protection, the battery is fully protected.

No electricity cost, free maintenance for outdoor usage. Charge anywhere transfer sunshine into electricity, charge and maintain your 12 volt battery in all seasons. Smart 3-stages charging algorithm is improved to better charge and maintain battery in all seasons. Free maintenance tempered glass and strong abs frame, plug and play, well built for years.

The most advanced mpptmaximum Power Point Tracking chip intelligently manages to charge and fully protect the battery. Visual monitor the colorful led indicator helps to visually monitor working status of the charging and better understand your battery’s conditions. Charging will be cut off automatically when battery is fully charge, and resumed when battery goes flat, totally free maintenance. Backed by extended 12 months warranty + lifetime technical supports.
BrandSUNER POWER #ad
ManufacturerSUNER POWER #ad

7. SUNER POWER

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10 Watts Solar Panel Built-in Intelligent MPPT Solar Charge Controller + Adjustable Mount Bracket + SAE Connection Cable Kits, SUNER POWER 12V Waterproof Solar Battery Trickle Charger & Maintainer

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SUNER POWER #ad - Smart 3-stages charging algorithm is improved to better charge and maintain 12v battery in all seasons. Full protections prevent the battery from over-charge, and short circuit, waterproof and spark-proof, reversed polarity protection, over-voltage, discharge, the battery is fully protected.

The mount bracket is easy to DIY, could be applied to mount on ground or vertical wall. Visual monitor the colorful led indicator helps to visually monitor working status of the charging and better understand your battery’s conditions. Charging will be cut off automatically when battery is fully charge, and resumed when battery goes flat, totally free maintenance. Free maintenance durable aluminum frame and tempered glass, plug and play, easy to use.

Backed by extended 12 months warranty and lifetime technical supports. Intelligent charge & maintain built-in intelligent mppt charge controller, generates at least 10%-20% more power than traditional controller. Come with 3 piece SAE cable kits, free maintenance for outdoor use. Adjustable mount bracket exclusively engineered with alloy ball to adjust the angle of solar panel, absorb as much as sunshine and generate more power. No electricity cost, well built for years.
BrandSUNER POWER #ad
ManufacturerSUNER POWER #ad

8. Allto Solar

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20W 12V Solar Panel Kit Battery Maintainer Trickle Charger Pro + Advanced 10A MPPT Charge Controller + SAE Battery Clip Cable for 12 Volt Boat Car RV Trailer Motorcycle Automotive Home Off Grid System

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Allto Solar #ad - The visual led screen and indicator allow to easily monitor working status of solar panel and battery condition. Sae connector allows it to works with the most other adapters on the market with SAE plug. Intelligent mppt charge controller equipped with intelligent 10a mppt charge controller optimizes the performance of charging to 12 volt lead-acid Automobile, AGM and Maintenance-free, Gel, Camper, RV, overcharging, including Flooded, plus Lithium batteries.

Using low iron tempered glass, and high-quality aluminum frame, weatherproof EVA film, windproof and rainproof, well-built material allows the solar panels to serve for decades as well as withstand high winds 2400Pa and snow loads 5400Pa, great for extended outdoor use. Easy installation come with sae-clamp battery clip cable, plug and play, easy to connect or disconnect. Work great for off grid 12 volt batteries charging system and a variety of dc application, motorcycles, Flooded, tractors, Lithium battery of car, marine, trolling motor, gate opener, RV, AGM, Gel Cell, trailer, lawn mover, snowmobiles, boats, Maintenance-free, back-up power and remote power use.

Intelligent protection against reverse polarity, Trailer, and deep-cycle batteries, Van, short-circuit, and reverse current. Package includes an advanced mpptmaximum power Point Tracking charge controller to intelligently manage to charge and fully protect the battery and a plug and play SAE connection cable, easily connect or disconnect. Charge anywhere transfer sunshine into electricity, charge and maintain your 12 volt battery in all seasons. Can be matched with various solar panel brackets. Multiple compatibility perfect trickle charger/maintainer pro for various 12 volt batteries like wet cell, pump etc.
BrandAllto Solar #ad
ManufacturerAllto Solar #ad
Height0.78 Inches
Length16.5 Inches
Width13.2 Inches
ModelAS-SP-20W-M

9. SUNER POWER

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20 Watts Solar Panel Built-in Intelligent MPPT Solar Charge Controller + Adjustable Mount Bracket + SAE Connection Cable Kits, SUNER POWER 12V Waterproof Solar Battery Trickle Charger & Maintainer

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SUNER POWER #ad - Visual monitor the colorful led indicator helps to visually monitor the working status, errors; indicator off, output normal; flash in Red, battery is full; solid red, better understand battery conditions-flash in green, Charging normal; solid green, no output.

Smart 3-stages charging algorithm is improved to better charge and maintain 12v battery in all seasons. Full protections prevent battery from over charge, waterproof and sparkproof, discharge and short circuit, over voltage, reversed polarity protection, battery is fully protected. Backed by extended 12 months warranty and lifetime technical supports. Come with 3 piece SAE cable kits, easy to use. Free maintenance durable aluminium frame and tempered glass, plug and play, well built for years.

No electricity cost, free maintenance for outdoor use. The mount bracket is easy to DIY, could be applied to mount on ground or vertical wall. Intelligent charge & maintain built-in intelligent mppt charge controller, generates at least 10%-20% more power than traditional controller. Adjustable mount bracket exclusively engineered with alloy ball to adjust the angle of solar panel, absorb as much as sunshine and generate more power.
BrandSUNER POWER #ad
ManufacturerSUNER POWER #ad

10. POWOXI

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POWOXI Solar Panel Kit 12V 20W Magnetic + Charge Controller Waterproof Solar Battery Charger Maintainer Solar Trickle Charger Alligator Clip for Car Boat RV Motorcycle Marine, etc.

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POWOXI #ad - Unique super magnetic6 magnets of the solar panel, plug, quickly and firmly install the solar panel to the position you need. Blue, red and green: fully charged. Windproof, lightweight but durableThe internal structure of other flexible solar panel is easily broken, high-temperature resistance, rainproof, free maintenance for outdoor use.

2022 upgrade intelligent controllerimprove the charging efficiency by 30%. We use two sturdy materials to wrap the solar battery charger and cover them with professional solar glass to solve this problem. Solar charger and maintainercharge the 12v battery safely and maintain it to extend battery life such as wet, RVs, trucks, suitable for any cars, lifetime technical support, snowmobiles, proudly provide 12 months warranty period, and AGM. A solar panel kit can not only intelligently control charging and discharging to extend battery life, it does not consume power.

We have been engaged in the solar field for decades, and reply within 12 hours. Smart indicator light3 color changes of the indicator light, easy to understand the current working status of the solar battery charger and no longer confused. More importantly, but also have full protections such as overload protection, lightning protection, short circuit protection, automatically re-work during the day. Stay away from the trouble that the suction cup is easy to fall after long-term use. Excellent aging resistance, and not easy to deform.
BrandPOWOXI #ad
ManufacturerPOWOXI #ad
Height1.57 Inches
Length16.9 Inches
Width14.96 Inches
Part Number20W Magneti