Topsolar 10 Watt 12 Volt Solar Trickle Charger

Curated from 104 real Reddit conversations

Refreshed on: January 9, 2025

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Topsolar 10 Watt 12 Volt Solar Trickle Charger

Brand: Topsolar
Price: $19
Snoop Score:
3.9
Sentiment
5.0
Popularity
3.8
Technical
4.3
Buy on Amazon for $19See All Solar Battery Chargers & Charging Kits Reviews
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Snoop's Take

The Topsolar 10 Watt 12 Volt Solar Trickle Charger is designed to maintain and charge various types of 12V batteries using solar energy. This lightweight and portable solar panel is ideal for vehicles such as cars, motorcycles, boats, and RVs, providing an eco-friendly solution for battery management. Consumer feedback highlights the product's reliability, with many users stating, "Has worked perfectly for years," underscoring its long-term effectiveness. Users appreciate its lightweight design, but some have noted that solar panels can be slow to charge directly, with one user advising against using them for quick phone charging. Additionally, while it works well in sunny conditions, several reviews mention concerns about its performance during cloudy weather. Overall, the Topsolar 10 Watt 12 Volt Solar Trickle Charger is recommended for those seeking a dependable solar solution for battery maintenance, particularly in sunny climates, despite some limitations in less favorable weather conditions.

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

Has worked perfectly for years.

Positive Feedback

Solar is slow and doesn't have enough amperage to quickly charge a phone, that's why it's used to charge batteries.

Negative Feedback
Product
3.9
Topsolar 10 Watt 12 Volt Solar Trickle Charger
Buy on Amazon for $19
Vehicle Battery Maintenance
3 / 10
Marine and RV Applications
3 / 10
Off-Grid Power
2 / 10
Battery Preservation
2 / 10
See how this compares to all Solar Battery Chargers & Charging Kits

What it does well!

Key strengths users can’t stop talking about.
Reliable for long-term battery charging
“Has worked perfectly for years.”➕
Keeps battery charged with sunlight
“I was told I need a trickle charger/battery maintainer.”➕
“Yes the solar panel will keep it charged as long as it gets some sun every day.”➕
“Not a dumb question at all!”➕
Lightweight and portable design
“I’d love to kill 2 birds with one stone and build out this multifunctional device.”➕
“Has anyone been able to confirm G14 can receive adequate voltage and wattage with a solar polar in tandem with a power station?”➕
“A lot of backpack sized panels only produce 20-30W.”➕

Where it needs some work!

Areas to watch—feedback on possible improvements.
Solar panels are slow to charge devices directly
“Solar is slow and doesn't have enough amperage to quickly charge a phone, that's why it's used to charge batteries.”➕
“Don’t use a solar panel to directly charge your phone.”➕
Many solar chargers are perceived as useless
“Walk away from the idea buddy. Not worth your money or time.”➕
“I would argue that I have experience of these whilst backpacking.”➕
“So it's pretty much useless unless you already have a leisure battery installed.”➕
May not fully charge batteries in poor weather
“On bright, sunny days you may be fine, but a few cloudy days and you may be in the hole.”➕
Limited effectiveness with certain battery setups
“If it's a motorhome, your RV is going to have 2 battery banks, a house battery and a chassis battery.”➕

Compare On All Talked About Dimensions

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

Unexpected tricks and side‑door uses you’ll love.
Discussion about using solar for off-grid setups
“You need runtime (battery capacity) for overnight usage and enough solar to charge while you use the laptop 2-3x your power demands.”➕

Buyer’s Cheat Sheet

What to check before you click ‘Add to Cart.’
Battery packs are recommended for portable charging
“Too much cynicism against solar panels...”➕
“The battery, fully charged, can then charge my phone about 3x over.”➕
Need for additional charging methods in certain scenarios
“it's typically best to disconnect the panel from the controler before removing the battery.”➕
“you don't need to trickle charge in storage.”➕
Suggestions to charge batteries first for better device charging
“You're better off charging another battery with solar and then using that to charge devices at proper speeds.”➕

Cautionary Callouts

Know the pitfalls before they catch you off guard.
Solar panels are commonly used on expeditions
“You do realize solar panels are extremely popular on expeditions?”➕
Discussion on solar panel limitations for charging devices
“the wattage is going to be too low to charge it at proper speed.”➕
“My guess is that since it seems like this device is meant to charge phones and small powerbanks, it has no reason to deliver more than 12V.”➕
“But yeah it's 5V, so that probably won't charge the laptop then.”➕
“the new ones have snazzy buck boost converters that will charge even when the input voltage is below the battery voltage.”➕

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