We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
DC 6V‑30V to 5V Solar Controller Circuit Board Voltage Stabilizing Controller Solar Power Buck USB Circuit Board
1、Load Protection: DIY a regulated power supply with constant current function, not afraid of using the process will short circuit, can preserve the load.
2、Battery Charging: Charge various batteries, set charging voltage and charging current according to different voltage and capacity of batteries.
3、Solar Power Supply: Use solar panel power supply to charge various batteries, can prevent the battery from overcharging and effectively preserve the battery.
4、High Power Drive: This solar voltage regulator board can drive high power LEDs, which can be freely combined in series and parallel.
5、Car Power Supply: Can be used as a car power supply for cell phones, laptops or various digital products, convenient and fast to use.
Item Type: Solar Controller Circuit Board
Material: Glass Fiber
Gross Weight: 33g / 1.2oz
Module Type: dual USB output 3A buck module
Power Protection: None
Input Voltage: DC 6-30V
Output Voltage: 5V (with for iOS identification resistor)
Output Current: 2A (MAX)
Current Limit Range: None
Operating Frequency: 150KHz
Conversion Efficiency: up to about 92% efficiency is related to the differential pressure and use of the environment
Output Ripple: None
Minimum Differential Voltage: 1V
Operating Temperature: -40℃ to +85℃ (actual use please pay attention to the power tube temperature, the temperature is too high, please strengthen the heat dissipation or derate the use)
Potentiometer Adjustment Direction: adaptive
Wiring Mode: DC 5.5 2.1 socket, terminal block
Use: Solar voltage stabilization controller
1 x Circuit Board
1 x DC Line
1 x Manual
Products received faulty, damaged, or not as described are eligible for a return, refund, or replacement in accordance with local consumer laws. We are committed to ensuring all products meet the standards of quality and reliability expected by our customers. Please note that we do not accept returns or provide refunds for change of mind. We encourage you to carefully consider your purchase to ensure it meets your needs and expectations.
| Height (cm) | 1 |
|---|---|
| Width (cm) | 1 |
| Length (cm) | 1 |
| EAN | N/A |
Australian Shipping & Delivery
Orders are dispatched within 24–48 business hours directly from our Melbourne & Sydney warehouses. Orders placed before 8:00 AM AEST on business days commence processing the same day.
| Destination (AU) | Est. Transit Time |
|---|---|
| VIC Metro & Regional | 1 – 3 Business Days |
| NSW, ACT, SA | 2 – 4 Business Days |
| QLD & TAS | 3 – 5 Business Days |
| WA & NT | 5 – 7 Business Days |
* Regional and remote locations may take an additional 1–2 days. Australia Post & courier tracking notifications are emailed upon dispatch.
Returns & ACL Warranty
We offer a 30-Day Peace of Mind Return Policy for items in brand-new, unopened, and original packaging.
- Australian Consumer Law Covered: Full entitlement to repair, replacement, or refund for major faults or transit issues.
- Transit & Damage Claims: Must be reported within 7 days of delivery with photos of the box and product.
- Dedicated AU Support: Fast local resolution by our Australian support team.

