Top 10 Best Solar Battery Tender

EASY TO USE Mount the solar battery charger to your window and connect to your vehicle's cigarette outlet, make sure it has plenty of sun, and let the charger maintain your battery's power. ADAPTIVE CHARGING When in the sun this panel provides a full charge until switching to float mode to maintain battery voltage levels without overcharging using the built-in output voltage regulation. PROTECTED Rated IP67 weather resistant with spark proof and reverse charging protection comes with a 5-year manufacturer limited warranty and lifetime customer support. SMART Ideal for long-term outdoor storage, charger includes built-in output voltage regulation - the charger will resume full output when battery voltage drops too far under load, without overcharging. VERSATILE This compact solar panel is compatible with lithium LifeP04, lead acid, flooded, and sealed maintenance-free AGM and gel cell batteries.

CONVENIENT The solar panel includes an automatic controller to harness and regulate solar energy in areas without power access easily mountable with 4 mounting holes. PROTECTED Rated IP67 weather resistant for outdoor protection built with spark proof protection to prolong battery life, and reverse charging protection to ensure your safety. SMART Prevent overcharging and battery discharging with the controller's 3-step charging shows green LED light when the battery is full and switches to maintenance mode. ON THE GO The solar battery maintainer charges and maintains your battery once connected compatible with 12 Volt lead acid and AGM batteries with an output of 17 Watt at 12 Volt. ACCESSORIES Includes an alligator clip cable, battery ring terminal cable, and an 8 foot cable with a 6 foot SAE extension cable comes with a 5 year warranty and lifetime customer support.

CONVENIENT The solar panel includes an automatic controller to harness and regulate solar energy in areas without power access easily mountable with 4 mounting holes. PROTECTED Rated IP67 weather resistant for outdoor protection built with spark proof protection to prolong battery life, and reverse charging protection to ensure your safety. SMART Prevent overcharging and battery discharging with the controller's 3-step charging shows green LED light when the battery is full and switches to maintenance mode. ON THE GO The solar battery maintainer charges and maintains your battery once connected compatible with 12 volt lead acid and AGM batteries with an output of 35 watts at 12 volts. ACCESSORIES Includes an alligator clip cable, battery ring terminal cable, and an 8 foot cable with a 6 foot SAE extension cable comes with a 5 year warranty and lifetime customer support.

Usable input range between 5-45 Watts. Battery Tender Solar Controller allows you to convert an existing solar panel into a solar charger using Battery Tender patented Super Smart Charging Algorithm.. Small and compact charge controller. Reverse polarity and spark proof operation. 3 year limited warranty.

EFFICIENT Increases battery life and performance with PWM charging and internal temperature sensor for battery charging compensation. EASY TO USE Features a LED battery voltage and status indicator to easily track battery and solar panel status capable of indicating error status and automatically detects 12 volt24 volt batteries. 3-STAGE FUNCTION Built with 3-stage charging determines battery connection, voltage and charge level to automatically turn the output load on or off based on the selected battery voltage. SAFETY FEATURES Features protection against reverse connection, overvoltage, short circuit, and over temperature compatible with 12 volt or 24 volt lead acid, AGM, and gel batteries. CAPACITY Max output of 12VDC and 10 AMPs, and max input voltage of 50 volts, 12 volt at 150 watts, or 24 volts at 300 watts comes with a USB port to charge electronic devices.

EFFICIENT Increases battery life and performance with PWM charging, 8 programmable timers, and programmable charging voltage function temperature sensors for battery charging compensation. CONNECT IT and FORGET IT Features an LCD display and LED indicator to easily track battery status capable of self-diagnosing errors and automatically detects 12 volt24 volt batteries. 3-STAGE FUNCTION Built with 3-stage charging determines battery connection, voltage, and charge level to automatically turn the output load on or off based on the selected battery voltage. SAFETY FEATURES Features spark proof and reverse hookup protection compatible with 12 volt or 24 volt lead acid, AGM, GEL, and 12 volt lithium batteries. CAPACITY Max output of 12 volt DC and 30 AMPs, and max input voltage of 50 volts, 12 volts at 450 watts or 24 volts at 900 watts comes with dual USB ports to charge electronic devices.

Upgraded Intelligent Charger ControllerBuilt in internal protection system and smart fast charging Cooperate with Quality solar silicon material ensures high conversion and stable output, Generates at least 25-30more power than the other brand solar panels, and it even can charge your battery on cloudy days.. Comprehensive Battery Protection Solar car battery trickle charger fully protects the battery. The built-in blocking diode structure ensures no reverse discharge, overcharge, overvoltage, or short circuit. With LED charging indicators, you could easily tell if the solar battery charger is functioning well.. Stronger and More Durable The solar car charger adopts high-transparency glass, which is high-strength, impact-resistant, wind-snow-resistant low-iron tempered. And the sturdy ABS frame makes the solar panel more durable than others.Smooth surface, don't worry about scratching the vehicle. This waterproof solar battery charger needs no additional maintenance, extra long service life and durable.. Easy to Install and Use The outdoor solar battery maintainer is easy to install, and convenient to use, just insert it in the car power outlet, as known as the cigar lighter socket. Or just connect the solar panel to the battery with the alligator clips directly. The perfect chargermaintainer for any car, LiFePO, Lithium Ion, motorcycle, boat, tractor, ATV, farm equipment, and 12V batteries.. 12-Month Warranty The quality of your premium solar battery charger is guaranteed by CEROHS certifications and comes with a free 12-month warrantylifetime technical support If you have any questions, please contact us. Your suggestion helps us improve.

High Conversion RateThis 20W solar panel with monocrystalline A solar cell has an excellent cell efficiency of 21-30. Designed to charge and maintain 12V rechargeable batteries like LiFePO, Lithium Ion, AGM, SLA, GEL, EFB, MF, etc. Keep batteries in charged for trailer, tractor, truck, boat, motorcycle, RV, car, lawn mower, water pump, gate opener, electric fence, etc.. Built to Last Low-iron tempered glass surface and corrosion-resistant aluminum frame, make this solar panel 100 waterproof and rustproof, and provide the prolonged lifespan up to 25 years. This 12V solar panel can withstand all weather conditions such as sandstorm, strong wind, thunderstorm, blizzard, hail, etc. It can withstand up to 2400Pa wind pressure and 5400Pa snow load.. Smart Charge ControllerThe charging efficiency of this upgraded 8A controller is 20-30 higher than other controllers on the market. Its intelligent three-stage charging design effectively prevents the battery from overcharging, over-voltage and short circuit. It takes no power from the battery. You will clearly know the charging status of the battery through the two indicator lights on the controller.. Easy to Install Angle Adjustable- Equipped with a 360 degree angle adjustable mounting bracket. Helps solar panels always have the best angle to face the sun. Its very easy to install this bracket on the solar panel with pre-drilled mounting holes and needed screws. All cable connections are plug and play.. What You Get 1 solar panel 1 charger controller 1 mounting bracket 1 alligator clips 1 O-rings 1 set of mounting pieces. We provide one year warranty and lifetime technical support. 724 hours After-sales service ensures that your question is answered within one day..