A popular 40 A controller for 12/24 V RV and cabin systems with up to about 520 W of panels. Budget for the BT-2 module if you want app monitoring.
Amazon $159.99
A simple 30 A controller for a small 12 V LiFePO4 system that wants app monitoring without add-ons.
- 30 ACharge current
- 12/24 VBattery
- 98%Efficiency
- 2 yearsWarranty
Price checked October 22, 2026. As an Amazon Associate we earn from qualifying purchases.
- Bluetooth monitoring built in, no extra module
- Ships set up for a 12 V LiFePO4 battery
- Screen and buttons work without the app
- Maximum panel voltage not published
- 30 A limits it to about 450 W of panels at 12 V
- Two-year warranty
How it scores
The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Specifications
| Model number | L24V30A-MPPT-BT-B |
|---|---|
| Charging | |
| Type | MPPT solar charge controller |
| Charge current | 30 A |
| Battery voltage | 12/24 V |
| Lithium profile | Yes |
| Custom profile | Yes |
| Peak efficiency | 98% |
| Inputs | |
| Max PV power (12 V) | 450 W |
| Monitoring and build | |
| Bluetooth | Built in |
| Display | Yes |
| Cooling | passive |
| Warranty | 2 years |
Alternatives in this type
A budget 40 A controller for owners who are happy setting it up on its own screen. Add the Bluetooth adapter if you want phone monitoring.
Amazon $118.99A rugged 60 A controller for larger 24 V or 48 V cabin and RV arrays. The Rover Lite 60A costs much less if you don’t need the load output.
Amazon $359.99Compare
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