TOMTOP JMS Solar Charge Controller: Automatic identification
Meet the Solar Charge Controller—your solar panels' new best friend for keeping energy use in check. It’s got this nifty LCD display that makes keeping an eye on things a breeze, plus it’s smart enough to automatically figure out whether you’re running on 12V or 24V (no manual switches here). And hey, with 5V Smart 2 USB ports, you can juice up your gadgets without breaking a sweat. Oh, and did we mention its 20A capacity? Yeah, it’s like having a bodyguard for your batteries, ensuring they charge just right and stay protected.
Why you’ll love it:
- No more fretting over overcharging or your battery calling it quits too soon
- Plays nice with almost any solar panel you throw at it
- Small but mighty, built to last (and maybe outlive your patio furniture)
- LCD display
- 5V Smart 2 USB ports
- 20A capacity
- 12V/24V compatibility
- Automatic identification
General specs
- Brand: TOMTOP JMS
- Seller: Joom
- Capacity: 20A
- Voltage Compatibility: 12V, 24V
- USB Ports: 2
- Display: LCD
- 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
United States
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Solar Charge Controller Automatic identification
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Solar Charge Controller Automatic identification
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TOMTOP JMS CM5024 PWM charging technology
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Solar Charge Controller with LCD Display Dual USB ports
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Solar Charge Controller 20A charging capacity
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Solar Charge Controller 20A capacity
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| Brand | TOMTOP JMS | Vestidos | TOMTOP JMS | Vestidos | Vestidos | 3d printing machine |
| Model | CM5024 | |||||
| Color | ||||||
| Rating |
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| Price | $10.83 | $18.15 | $48.19 | $10.41 | $16.58 | $36.10 |
| Seller | Joom | Joom | Joom | Joom | Joom | Joom |
| Update | August 29, 2025 | August 30, 2025 | August 29, 2025 | August 30, 2025 | August 30, 2025 | August 29, 2025 |
| Voltage Compatibility | 12V, 24V | 12V, 24V | 12V, 24V | 12V, 24V | ||
Solar Charge Controller
Hannah B.
Ottawa, ON
June 24, 2025
I bought this as a gift for my partner who's into sustainable living and it's been great for our small solar setup. Picked it up from the store which was convenient. The automatic features make it user-friendly even for beginners like me and it integrates well with our existing panels. It seems very reliable so far protecting the battery effectively. I love that it's compact and doesn't take up much space. Only downsides are the screen visibility in bright conditions and I wish it had more USB options. Overall a solid choice for anyone starting with solar energy very helpful and efficient! 😊
- Pros: It worked right away and was very easy to set up with the clear screen showing everything I needed. The automatic voltage detection is a lifesaver no fiddling with switches and it charges my phone and tablet smoothly through the USB ports. It seems to handle my solar setup well keeping the battery safe from overcharging which is a big relief.
- Cons: The display could be a bit brighter in direct sunlight sometimes hard to read and the build feels a little flimsy not as sturdy as I hoped. Also it only has two USB ports which might not be enough if you have multiple devices to charge at once.