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40A Solar Controller 12V 24V 36V 48V Auto Recognition, Solar Panel Charge Controller Intelligent Regulator with Dual 5V USB Port for Gel AGM Flooded Lithium Battery
Brand: Walfront
Condition: Used
$2758
$2903
-5% Save $145
Updated: 2 days ago
Description
Wide Voltage Compatibility: Automatically works with 12V, 24V, 36V, and 48V battery systems, making it ideal for various solar setups including RVs, boats, and off-grid applications.
Multi-Battery Support: Compatible with sealed, gel, AGM, flooded, lithium-ion, and LiFePO4 batteries. The default setting is for sealed batteries, and parameters can be customized following the manual.
Dual USB Ports: Built-in two 5V/2A USB ports allow direct charging of phones, tablets, and other USB devices without an additional adapter.
Smart Protection & Low Self-Consumption: Features intelligent recognition with no manual adjustment needed. Static loss ≤20mA ensures efficient power use.
Durable & Reliable: Made from high-quality engineering plastic with IP32 protection level, working temperature from -20°C to +55°C, suitable for long-term outdoor use.
✔ Specification:
Item Type: Solar Controller
Material: Engineering plastic
Rated Current: 30A
Rated Working Voltage: 12V/24V/36V/48V
Solar Panel Input Voltage: ≤100V
Static Loss: ≤20mA
Loop Pressure Drop: ≤0.3V
USB Output: 5V/2A x 2
Working Temperature: -20~ +55℃
Protection Level: IP32
Relative Humidity: ≤95%, no condensation
Terminal: 6AWG/16mm²
✔ Package List:
1 x Solar Controller
1 x User Manual
✔ Feature:
1. The default battery type is sealed valve-regulated also suitable for gel batteries, liquid lithium iron and ternary lithium batteries;
2. Support parameter customization, suitable for charging other types of batteries, refer to the manual to set the battery type.
3. The battery voltage is 12V, 24V, 36V, 48V, four voltages are universal, and the adaptability is strong.
4. Intelligent recognition, no manual adjustment is required, realizing truly intelligent control.
5. Using high‑quality materials, strong and durable, has a long service life.
Item Type: Solar Controller
Material: Engineering plastic
Rated Current: 30A
Rated Working Voltage: 12V/24V/36V/48V
Solar Panel Input Voltage: ≤100V
Static Loss: ≤20mA
Loop Pressure Drop: ≤0.3V
USB Output: 5V/2A x 2
Working Temperature: -20~ +55℃
Protection Level: IP32
Relative Humidity: ≤95%, no condensation
Terminal: 6AWG/16mm²
✔ Package List:
1 x Solar Controller
1 x User Manual
Note
Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.
✔ Feature:
1. The default battery type is sealed valve-regulated also suitable for gel batteries, liquid lithium iron and ternary lithium batteries;
2. Support parameter customization, suitable for charging other types of batteries, refer to the manual to set the battery type.
3. The battery voltage is 12V, 24V, 36V, 48V, four voltages are universal, and the adaptability is strong.
4. Intelligent recognition, no manual adjustment is required, realizing truly intelligent control.
5. Using high‑quality materials, strong and durable, has a long service life.
Sold by
Amazon Warehouse
Official Amazon outlet for open-box & returned items
- Backed by Amazon's A-to-Z Guarantee
- 30-day return policy
- Ships from Amazon fulfillment centers
- Price verified on Amazon
Product Details
- SKU:
- awhd-us-b08qj8mqpg
- Model:
- WALFRONT0gn7k6git1
- Country:
- US
- ASIN:
- B08QJ8MQPG
Shopping Smarter
Common questions about buying open-box and refurbished.
Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $1 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
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Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.
