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"Good way to keep the batteries maintained. Super easy to use right out of the box."-Russell L.

SOLVAO 7.5W Solar Trickle Charger & Battery Maintainer

If not used regularly, batteries naturally drain power and if allowed to go flat, may never regain their full power. This solar powered battery maintainer helps manage battery drain in all seasons. The solar charger converts light energy from the sun into 12 volt DC electricity, which is then transported to batteries through a wire and your connector of choice.

$54.99

Includes Our Premium Quality Guarantee w/ 1 Year Warranty

Keep Your 12v Battery Charged Year-Round

Use for any rechargeable 12 volt battery and a variety of off grid applications, even in in cloudy conditions and other inclimate weather!

Our 7.5 watt solar powered trickle charger can be used for any rechargeable 12 volt battery and a variety of off grid applications! Perfect for automobiles, boats, motorcycles, RVs, motorhomes, marine, tractor, powersports, trucks, snowmobiles, golf carts, sheds, cabins, gate openers, and any other automotive or 12V battery applications. Prevents your battery from dying if not in use for an extended time.

Plug and Play Connectivity with High Efficiency Solar Panel & Blocking Diode to Prevent Overcharging

Easily installed - just plug in the solar panel, set it and forget it! No technical knowledge needed.

Great for grandparents or vehicle owners who don't use their cars or auto mobile every day! Just set it up on the dashboard and let it charge your battery.  Has a built-in blocking diode for reverse protection, which means the regulator will control the amount of power it sends and won't damage or over charge your 12volt batteries.

Features include:

  • Solar energy keeps 12v batteries alive in all seasons
  • High efficiency amorphous solar panel
  • Built-in diode to prevent reverse charging & overcharging
  • Quick & easy plug-and-play functionality
  • Strong, durable ABS frame
  • Low maintenance, portable and lightweight
  • 2 different charging methods available via alligator battery clamps & DC plug

Charge Any 12 volt Battery with the Power of the Sun

Because our solar trickle charger is also a maintainer, it safely charges and maintains Wet, Gel, SLA, AGM and Deep Cycle batteries, etc using solar energy. Great to keep handy for emergency preparedness, keeping backup batteries charged, camping, motorhomes and even tents that are powered.

Setup and installation takes just minutes! This product works right out of the box and can be used on day 1.

Please fully read the included instruction manual prior to use.

If you experience damaged product(s), defects, or issues of any kind, please reach out to our support team immediately - we are happy to help and will address any issues immediately!

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What are people saying about this solar battery trickle charger?

Customer Reviews

Based on 66 reviews
88%
(58)
8%
(5)
0%
(0)
3%
(2)
2%
(1)
R
Robert Johnson
Works Perfect on my Bass Boat.

Works great on my 12 Starting Battery in my Boat. I run my Trolling motor more than I do my big motor . My starting battery has to run live well pump , bilge pump , lights , radio & 1- 4â€ Garmin depth finder. The Solvao 7.5 Watt , keeps the battery up.

V
V. O. Ritter
Keeps My Battery Alive

I have a vehicle that does not get driven very often and even with a fairly new battery it would often need a jump start when I wanted to use it. I have had this SOLVAO 7.5W Solar Trickle Charger & Battery Maintainer connected through the cigarette lighter for about a month now and the van has started both times I used it in that time. The battery turned the engine over with little effort instead of the slow speed growling I had come to expect. The one negative comment I have is really not about the solar charger itself but the lack of a protective case or cover for it, when not in use when I am driving. The 13 x 13 plus size makes it hard to find a caser to protect the glass when it is not being used to charge while driving.

B
Booktarts-and-sweethearts
Easy to use, and really durable

I used this to charge a LiFePO battery I set up on a set of string lights. This unit sat outside for months, connected to that battery. It had dust build up, bird droppings, rain, and a water hose sprayed at it. It has an LED that shows when it has an output. This output LED was lit well into dusk, with no direct sunlight on it. It is sturdy and comes with multiple connector types for many different applications. Perfect for camping or other outdoor excursions, or to supplement RV power.

B
Bubblie
Solar charging panel

Got this as a thank you gift for a friend who helped me out a lot during the pandemic. He was looking for something that can keep his ATV charged and hes not sure if his old charger was working. This one was an easy plug and play option with an indicator light that shows its working. The all weather design is another plus since its been left out in the driveway for months with no problem. So far so good :)

Z
Zero
Fine for keeping dormant vehicle alive

This has been working well to keep the battery up in my truck. Since I cycle to work my truck barely ever gets used. There's enough electrical gizmos inside to drain the battery so it's a dead lump of Nissan when I go to use it. While I don't have the panel stuck outside, it's working just fine in the sun roof. It's not pretty but it took all of about 20 seconds to stick it in the sunroof and plug into the lighter socket. When I go to use the truck it takes a few seconds more to stow it away. Super easy. Barely an inconvenience. - RG - I recommend this solar panel kit to keep your truck from becoming a dead lump of Nissan.

SBC750 Solar Battery Maintainer FAQs

So does this unit need a solar controller?

No, this unit does not require a solar controller. There is a built-in diode to prevent over-charging.

How long will it take to charge a 12v battery?

This charger is not meant to fully charge 12v batteries, but to keep them topped off so they don't die when not in use.

What output connections are available? if i have an electric generator with a dc, 8mm connector can i use these panels to recharge it? adapter?

This solar trickle charger includes a built-in cord measuring 8 feet, 8 inches with an SAE connector at the end. The following 2 adapters come with the unit for different applications: 1 x alligator clips for 12v battery, 1 x 12v cigarette lighter adapter.

Is there a longer cord available for the charger so the panel can be further from the battery so I can put it in a better position to get the sunlight?

At this time, we don't offer separate cord for the solar trickle charger ​but we do plan on adding that in the future.

Full Product Description & Specs

Important Product Note:

Please fully read the included instruction manual prior to use.
If you experience damaged product(s), defects, or issues of any kind, please reach out to our support team immediately - we are happy to help and will address any issues immediately!

Product Description:

If not used regularly, batteries naturally drain power and if allowed to go flat, may never regain their full power. This solar powered battery maintainer helps manage battery drain in all seasons. The solar charger converts light energy from the sun into 12 volt DC electricity, which is then transported to batteries through a wire and your connector of choice.

A reverse blocking diode inside the unit ensures the charger will not damage or over-charge your battery. Please note, this charger is designed to send a slow, steady charge to the battery and is not designed to fully charge any battery.

Product Specs:

  • Maximum Power: Up to 7.5 watts
  • Current at Pmax: 400mA
  • Voltage at Pmax: 18v
  • Solar Panel Type: Amorphous
  • Measurements: 13 3/10" x 13 3/10" x 7/10"
  • Weight: 2.73 lbs

Features:

  • Solar energy keeps 12v batteries alive in all seasons
  • High effeciency amourphous solar panel
  • Built-in diode to prevent reverse charging & overcharging
  • Quick & easy plug-and-play functionality
  • Strong, durable ABS frame
  • High quality glass covers the solar panel
  • Low maintenace, portable and lightweight
  • 2 different charging methods available via alligator battery clamps & DC plug

Package Includes:

  • 1 x Solar Panel w/ 8 ft. 8 in. SAE connector cord
  • 1 x Battery Clamps (approx 2 ft. with cord)
  • 1 x DC Plug (approx 2 ft. with cord)
  • 4 x Mounting Screws

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