3CZY MPPT Solar Charge Controller: 12V 30A 400W capacity
Ever tried squeezing every last drop of power from your solar panels? That's exactly what the MPPT Solar Charge Controller does, and it's a game-changer for RVs and anyone living life on the move. Housed in a tough-as-nails aluminum alloy case, this little beast doesn't just survive the elements—it laughs in their face while keeping cool under pressure. Thanks to its Maximum Power Point Tracking (MPPT) tech, it's like having a personal trainer for your solar panels, pushing them to deliver up to 30A and 400W to your 12V batteries. Whether you're off the grid or just love a good adventure, this controller's got your back, rain or shine.
- Aluminum alloy housing
- MPPT technology
- For RV solar charging
- 12V 30A 400W capacity
General specs
- Brand: 3CZY
- Seller: Joom
- Voltage: 12V
- Current: 30A
- Power: 400W
- Housing Material: Aluminum alloy
- Technology: MPPT
- First listed by seller: 7/11/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
Video Reviews
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
MPPT Solar Charge Controller 12V 30A 400W capacity
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Solar Charge Controller MPPT technology
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MPPT Solar Charge Controller Intelligent MPPT technology
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Solar Charge Controller MPPT technology
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MPPT Solar Panel Charge Controller 12/24V 100A capacity
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Solar Charge Controller MPPT technology
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| Brand | 3CZY | comingbuy | Decor Dream | 3d printing machine | YuHeng 01 | TOMTOP JMS |
| Model | ||||||
| Color | ||||||
| Rating |
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| Price | $551.99 | $45.17 | $46.43 | $27.23 | $22.71 | $62.52 |
| Seller | Joom | Joom | Joom | Joom | Joom | Joom |
| Update | August 19, 2025 | August 25, 2025 | August 28, 2025 | August 26, 2025 | August 20, 2025 | August 25, 2025 |
| Voltage | 12V | 12V, 24V | 12/24V | |||
| Current | 30A | 30A | 100A | |||
| Technology | MPPT | MPPT | MPPT | MPPT | MPPT | MPPT |
| Compatibility | 12V, 24V | 12V/24V systems | Solar panels, Batteries | Solar Panels | ||
MPPT Solar Charge Controller
Samuel R.
Dallas, TX
July 21, 2025
As someone who's spent a good amount of time researching this stuff, I had high hopes, and mostly it delivers. But let me break it down: Does it work? Yes, quite well—it squeezes out more juice from the panels, no doubt. Is it easy to use? Not really, had to dig into the manual more than I'd like. Would I buy it again? Probably, but I'd shop around first. For my RV and keeping the family's gadgets charged on the road, it's a reliable piece, though not perfect. Could be wrong, but it feels like it's built to last, which matters when you're out in the elements.
- Pros: It manages to pull more energy from my solar setup than I expected, which is quite handy for keeping the batteries topped up during long trips. The build feels solid and handles weather without a fuss, staying cool even when the sun is blazing.
- Cons: The price was a bit steep for what it does, and I wish it had clearer instructions—took me some time to figure out the settings. Also, it could handle a bit more power for larger systems, but it's adequate for my needs.