Overview
| Brand | POWOXI |
| Material | Polycrystalline Silicon, Tempered Glass, ABS |
| Efficiency | High Efficiency |
| Maximum Power | 12 Watts |
| Output Voltage | 14.4 Volts |
- Innovative MPPT Built-in Controller: Maximizes charging efficiency with up to 99% conversion. The 12W MPPT charger adjusts power based on sunlight intensity, ensuring superior performance even on cloudy days compared to non-MPPT chargers
- Smart Maximum Power Point Tracking: POWOXI-MPPT optimizes energy extraction for changing conditions, ensuring efficient solar power harnessing by dynamically adjusting to the environment for maximum output
- Comprehensive Battery Protection: MPPT controllers include a float/maintenance stage to prevent overcharging, extending battery life and improving energy efficiency. Compatible with various 12V batteries, including gel, AGM, SLA, VRLA, and lithium-ion
- 3 LED Indicator Lights: The solar charger has three lights: blue for sunlight reception, red for charging, and green for a fully charged battery. The MPPT takes 2 seconds for calculation and LED status updates
- Robust and Long-lasting Materials: Made with PC+ABS+Tempered glass, these solar panels withstand -40 to 137°C and are IP65 waterproof, enduring heavy rain, ABS+PC frames are stronger than flexible panels and won’t damage car paint like aluminum frames
- Voltage Detection Statement: The solar charger’s built-in MPPT controller adjusts voltage based on load, which is why tests may show readings below 14.2V. The MPPT controller optimizes the charging voltage to the most suitable level for the battery
- Note: Unlike solar panels equipped with a PWM controller or without a controller, which have an open-circuit voltage of 18V-21V, the solar panel with a built-in MPPT controller has a voltage below 14.2V
- 12-Month After-Sales Service: The quality of your premium solar battery charger is guaranteed by CE/ROHS certifications and comes with a free lifetime technical support! If you have any questions, please contact us. Your suggestion helps us improve
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Anonymous Verified Buyer –
Anonymous Verified Buyer –
Akony Verified Buyer –
I purchased the most recent MPPT version of this solar 12volt battery charger. It is the perfect trickle charger. I installed it under my windshield, directly connected to my battery. It keeps my battery fully charged even in cloudy weather. I’m very grateful for this device because I drive my car less now and this charger makes it so it will always start. It saves my battery, where and tear on my engine and fuel.
Joel C. Medley Verified Buyer –
Easy to use : works as advertised
Anonymous Verified Buyer –
Anonymous Verified Buyer –
Anonymous Verified Buyer –
This is the perfect maintainer for my RV battery. I tested it out and it is super easy to set up. I stuck it in the window of the RV cabin and plugged it into the lighter outlet. Bam! It keeps the battery topped off and ready to go. Really happy I made this purchase. Very happy! It also comes with several cords so it can be used directly to battery with clamps, to the lighter and even eyelets to use for other types of connections. Great product!
Jim Verified Buyer –
Seems to do ok. Use it mostly for camping to maintain cellphone, other small battery powered devices. Use it to charge / maintain other batteries at home. 4 stars simply since I don’t know how durable it will turn out to be.
Randy M. Verified Buyer –
I just got this delivered today 4/8/25 and I immediately hooked it up to my camper, showed the red icon, my camper battery is 100% fully charged, pulled it off the charger, hooked this panel up and it’s still red, shouldn’t the green light come on instead? this battery was on a trickle charger for about a week prior to hooking up this solar panel. Definitely easy to install and put together, functionality seems to be quite nice. Feels sturdy, connections are easy. So you solar guru’s give me a feedback or advice!! Thanks
S. Mayo Verified Buyer –
Used this solar charger to maintain the charge on my generator battery. Important to face it South or SW to get enough sunlight. It replaced an AC powered trickle charger that was not working very well. Charging light was red in the morning, but by end of day was green, indicating a charged battery. Impressed !
Chloe Verified Buyer –
My old forester was seldomly driven. So the battery was always running out when I need to use it. But with this polar board sets, the battery can be maintain very well by charging daily.
Johnny Verified Buyer –
Works well so far. I have this in a shed window to keep a lawnmower battery charged up.
The Bugman Verified Buyer –
I have this thing pointed directly at the sun all day long on the windshield of my Wrangler and it does not keep my battery charged. I would not recommend this product.
Anonymous Verified Buyer –
clamps alone are very well connected to wires. like the three light indicating info
Craig White Verified Buyer –
Arrived in a timely manner. Works great ….., for my trailer.