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SUNAPEX 12V Solar Battery Charge Kit

Curated from 116 real Reddit conversations

Refreshed on: April 8, 2025

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SUNAPEX 12V Solar Battery Charge Kit

Brand: SUNAPEX
Price: $21
Snoop Score:
6.4
Sentiment
6.4
Popularity
9.4
Technical
5.2
Buy on Amazon for $21See All Solar Battery Chargers & Charging Kits Reviews
As an Amazon Associate, I earn from qualifying purchases.

Snoop's Take

The SUNAPEX 12V Solar Battery Charge is a portable solar panel kit designed to maintain and charge 12V rechargeable batteries for various applications such as cars, boats, and outdoor electronics. With features like a built-in charge controller to prevent overcharging and a waterproof design, this solar panel is both durable and user-friendly. Consumer feedback highlights several strengths of the SUNAPEX solar panel, with many users appreciating its ability to maintain battery charge effectively. One reviewer noted, "when I use a solar charger, the battery drains faster than without one," emphasizing the product's efficiency. Easy installation and portability are also frequently mentioned, with one user stating, "this is more like an attractive treadmill that happens to charge your batteries rather than deplete them." Overall, the affordable price point has been praised, with comments like, "Really glad I didn't spend $60 for Ring's solar panel when the $16 one does the same thing." Based on the feedback, the SUNAPEX 12V Solar Battery Charge is highly recommended for users looking for an effective, durable, and cost-efficient solar charging solution. Its positive reception on forums suggests it stands out in its category, making it a worthwhile investment for maintaining battery health.

Not for you? Check out our other rated Solar Battery Chargers & Charging Kits

when I use a solar charger, the battery drains faster than without one.

Positive Feedback

I don't see any reason why that would be easier on this wheel than on a bike.

Negative Feedback
Product
6.4
SUNAPEX 12V Solar Battery Charge Kit
Buy on Amazon for $21
Vehicle Battery Maintenance
6 / 10
Marine and RV Applications
5 / 10
Off-Grid Power
4 / 10
Battery Preservation
9 / 10
See how this compares to all Solar Battery Chargers & Charging Kits

What it does well!

Key strengths users can’t stop talking about.
Helps maintain battery charge
“when I use a solar charger, the battery drains faster than without one.”➕
“This off-grid cabin has an energy wheel to help charge the solar-powered battery.”➕
“the cabin is solar powered and the wheel is just to help top off the battery.”➕
“20W solar panel slowing but not eliminating/reversing daily battery drain on 12V car battery.”➕
Easy installation and portability
“this is more like an attractive treadmill that happens to charge your batteries rather than deplete them.”➕
“I suspect it's the aftermarket stereo/amp/subw that are causing the drain.”➕
Affordable alternative to expensive solar panels
“Really glad I didn't spend $60 for Ring's solar panel when the $16 one does the same thing.”➕
“Doesn’t really matter since it works and was 1/3 the price of the official one.”➕
“The Ring one is just too expensive for basically the same thing.”➕
Long battery life
“I swear by the Microsoft play and charge kit. I would say I get about 40 hours of play out of a single charge.”➕
“It lasted about 6 years. It technically still works, just doesn't hold a charge for more than an hour.”➕
“I would say I still get at least 10 hours between charges.”➕
Convenient charging while playing
“Yeah they work well. You can play while it's charging and disconnect it when it's full.”➕
“Definitely got my money's worth, I just prefer plugging it in my USB C cable coming off my entertainment center every now and then vs swapping batteries occasionally.”➕
Durable and long-lasting
“For $30 CAD (the price they cost), 6 years is more than adequate in my eyes.”➕

Where it needs some work!

Areas to watch—feedback on possible improvements.
May not work with all vehicle types
“I don't see any reason why that would be easier on this wheel than on a bike.”➕
“Op has an actual problem that requires diagnosis.”➕
Short lifespan of battery packs
“Mine lasted less than a year before it was essentially pointless to use.”➕
“It won't hold a charge for more than 10 minutes.”➕
“Mine died after less than six months.”➕
Inaccurate battery life claims
“the battery doesn’t hold any charge.”➕

Compare On All Talked About Dimensions

Product NameImagePriceScoreCompareSee DetailsBuy Now
ZOUPW 30W 12V Solar Battery ChargerZOUPW 30W 12V Solar Battery Charger$69
8.6
DetailsBuy
POWOXI Upgraded 7.5W Solar Battery Trickle ChargerPOWOXI Upgraded 7.5W Solar Battery Trickle Charger$39
7.5
DetailsBuy
SUNER POWER Waterproof 12W 12V Solar Battery ChargerSUNER POWER Waterproof 12W 12V Solar Battery Charger$50
7.3
DetailsBuy
SUNER POWER 20W 12V Solar Battery Charger & MaintainerSUNER POWER 20W 12V Solar Battery Charger & Maintainer$85
7.3
DetailsBuy
Sun Energise 10W 12V Solar Battery Charger Maintainer PROSun Energise 10W 12V Solar Battery Charger Maintainer PRO$55
7.3
DetailsBuy
SUNER POWER 30W 12V Solar Battery Charger MaintainerSUNER POWER 30W 12V Solar Battery Charger Maintainer$89
6.9
DetailsBuy
POWOXI 12V Solar Car Battery ChargerPOWOXI 12V Solar Car Battery Charger$59
6.7
DetailsBuy
Sunway Solar Car Battery Trickle Charger & MaintainerSunway Solar Car Battery Trickle Charger & Maintainer$22
6.6
DetailsBuy
SUNAPEX 12V Solar Battery Charge KitSUNAPEX 12V Solar Battery Charge Kit$21
6.4
DetailsBuy
SUNAPEX 20W 12V Solar Panel Battery Charger MaintainerSUNAPEX 20W 12V Solar Panel Battery Charger Maintainer$49
6.1
DetailsBuy
Sun Energise 25W 12V Solar Powered Battery Charger & MaintainerSun Energise 25W 12V Solar Powered Battery Charger & Maintainer$89
4.4
DetailsBuy
Renogy 10W Solar Trickle Charger Portable Battery MaintainerRenogy 10W Solar Trickle Charger Portable Battery Maintainer$25
4.2
DetailsBuy
Topsolar 10 Watt 12 Volt Solar Trickle ChargerTopsolar 10 Watt 12 Volt Solar Trickle Charger$19
3.9
DetailsBuy
Saillong 10W 12V Solar Car Battery Charger MaintainerSaillong 10W 12V Solar Car Battery Charger Maintainer$19
3.9
DetailsBuy
Sunway Solar 16FT Battery Charger Extension Cable AdapterSunway Solar 16FT Battery Charger Extension Cable Adapter$16
2.4
DetailsBuy
FlexSolar 20W 12V Solar Panel Battery ChargerFlexSolar 20W 12V Solar Panel Battery Charger$49
2.3
DetailsBuy

Core Power Plays

The specs and strengths that make it shine.
Efficiency of solar panels and losses
“the efficiency of a solar panel is like 15%-20%. So he is taking an 80% loss.”➕
“the energy wasted is an incredibly poor return for the energy produced.”➕
“We’re looking at putting in a large solar system with two batteries potentially to go off grid with a diesel backup.”➕

Hidden Hero Hacks

Unexpected tricks and side‑door uses you’ll love.
Experimentation with solar battery setups for powering devices
“SUNAPEX bulbs are ~33%-50% brighter than Brightech and Westinghouse.”➕
Consideration of using camping equipment for 12V devices
“I'd maybe look for camping equipment, as most led devices run at 12V and there's lots of camping stuff already prepared for usage at 12V.”➕
Consideration of using solar panels to power devices
“I like the cut of your jib.”➕

Buyer’s Cheat Sheet

What to check before you click ‘Add to Cart.’
Discussion about solar charger effectiveness
“Do they work? Do they work well? Do they take forever to charge?”➕
“It worked, not amazing but enough.”➕
“Worked like a charm.”➕
“It could charge a 20,000 mah power bank in about 4 to 5 hours.”➕
Need for sunlight for operation
“You need sunlight.”➕
“There's no sun hitting the panels”➕
“Sun power needs well... The sun”➕
“They are red until they first get sunlight then they’re either green or yellow depending on the amount of light available (any or none respectively)”➕
Preference for rechargeable batteries over kits
“I'd recommend just buying some rechargeable batteries like Panasonic Enloops.”➕
Discussion about battery types and brands
“I say AFAIK because they all work so well i forget their even there.”➕

Cautionary Callouts

Know the pitfalls before they catch you off guard.
Discussion about battery health and parasitic draw
“Sounds like you either have a high parasitic draw or a bad battery.”➕
“Standby power draw has been increasing over the decades.”➕
“The interior lights come on but there's not enough juice to start the engine.”➕
“If it's been run down quiet a few times the battery is probably shot.”➕
Discussion about solar-powered string lights being dim
“Probably cheaper and is going to accomplish the same thing.”➕
“None provide illumination-- only decoration.”➕

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