Add to favorites
​​12V 20A PWM Solar Charge Controller with Type-C/USB Output, Compatible with LiFePO4/AGM/Gel Batteries, Zero Drain Tech, Overload & Overheating Protection for Solar Power System​​ by GRINEER - Used condition

​​12V 20A PWM Solar Charge Controller with Type-C/USB Output, Compatible with LiFePO4/AGM/Gel Batteries, Zero Drain Tech, Overload & Overheating Protection for Solar Power System​​

Brand: GRINEER

Condition: Used
$2207
$2599
-16% Save $392
Updated: 4 days ago

Description

​​Works with LiFePO4, AGM, Gel & Flooded Batteries​​ – Auto-detects battery type and adjusts charging parameters. Perfect for RVs, solar generators, and off-grid cabins. Prevents overcharging and extends battery lifespan by 30%+.

​​No Power Loss at Night​​ – Built-in diodes block reverse current flow. Unlike PWM controllers that consume standby power, our controller ensures 0% battery drain when solar panels are inactive. Ideal for long-term storage.

​​8-Layer Protection System​​ – Overcharge/over-discharge, reverse polarity, short circuit, over-temperature, overload, and surge protection. IP32 waterproof design withstands harsh environments (-20°C to +55°C).

​​LCD Screen + LED Alerts​​ – Monitor solar input, battery voltage, and charging status in real-time. One-click toggle shows current (5s) or voltage. Pre-installed SAE connectors ensure secure, tool-free installation.

​​Type-C/USB Ports + Solar/Battery Power​​ – Charge phones, tablets, or cameras directly via solar or battery. 20A fast charging for USB-C devices. Compact design saves 30% space compared to traditional controllers.

​​1-Year Warranty & 24/7 Technical Support​​ – We stand behind our product with a full one-year warranty and lifetime expert support. If you have any questions, our team is always ready to help.

​​12V 20A PWM Solar Charge Controller with Type-C/USB Output, Compatible with LiFePO4/AGM/Gel Batteries, Zero Drain Tech, Overload & Overheating Protection for Solar Power System​​

Sold by

Amazon Warehouse

Verified Retailer

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-b0fx4k1qxk
Model:
SCC20
Country:
US
ASIN:
B0FX4K1QXK

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 $4 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?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for GRINEER products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
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.

Sign in to save items

Save favorites and get alerts when prices drop.

or

We'll email you a link to sign in instantly — no password needed.