KONNWEI Solar Charge Controller: Automatic voltage identification
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Meet the Solar Charge Controller from KONNWEI—your solar system's new best friend. It's not just about keeping things running; it's about doing it smarter. With automatic voltage identification (12V/24V), this little genius works with almost any solar panel you throw at it. And that LCD display? It's like having a dashboard for your solar energy, showing you everything from charging status to voltage and current at a glance. No guesswork, just power.
Why you'll love it:
- Packs a 30A capacity—because who doesn't want to handle more power without breaking a sweat?
- It's got your back with protection against overcharging, over-discharging, and short circuits. Think of it as your system's personal bodyguard.
- Built tough with a durable construction, it laughs in the face of long-term outdoor use. Rain or shine, it's not going anywhere.
- LCD display
- 30A capacity
- 12V/24V compatible
- Automatic voltage identification
General specs
- Brand: KONNWEI
- Seller: Joom
- Voltage Compatibility: 12V, 24V
- Current Capacity: 30A
- Display Type: LCD
- Protection Features: Overcharge, Over-discharge, Short circuit
- First listed by seller: 6/21/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
Comparison with similar products
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![]() Solar Charge Controller 12V/24V 60A capacity
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![]() Solar Charge Controller Automatic voltage identification
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Brand | KONNWEI | Vestidos | Fishine | Kkmoon | Vestidos | MDH |
Model | ||||||
Color | ||||||
Rating |
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Price | $19.46 | $17.90 | $17.54 | $63.30 | $49.74 | $75.81 |
Seller | Joom | Joom | Joom | Joom | Joom | Joom |
Update | August 29, 2025 | August 30, 2025 | August 30, 2025 | August 30, 2025 | August 30, 2025 | August 8, 2025 |
Voltage Compatibility | 12V, 24V | 12V, 24V | 12V, 24V | |||
Current Capacity | 30A | 20A | 20A | |||
Display | LCD | LCD | LCD | LCD |
Noah W.
Los Angeles, CA
July 1, 2025
as someone with a background in analysis and a rational approach to buying, i picked this up for my home solar setup to keep things efficient and safe, especially with kids and pets around. it's been in use for a couple of months now, and overall, it does what it promises. the automatic voltage detection is a huge plus—no fiddling with settings, just plug and play. the display is informative, showing charge status and other metrics, though it can be hard to read in bright la sun. i appreciate the protections; it's saved my system from a potential short circuit once. build quality is durable, no signs of wear yet. however, for a high-capacity system, it might not be the best fit, and the heat buildup during peak times is a minor concern. not perfect, but a reliable choice for most needs. i'd recommend it with some caveats.
- Pros: i love how it figures out the voltage on its own and works with different panels, making setup a breeze. the screen shows all the important details clearly, so i always know what's happening with my power. it handles a good amount of energy without issues, and the built-in protections give me peace of mind against mishaps. the build feels solid and holds up well outside, rain or shine :)
- Cons: from what i feel, it might be too basic for larger systems, and the display could be brighter in direct sunlight. sometimes it gets a bit warm during heavy use, which makes me a little cautious.