Renogy 48V 3500W Solar Inverter Charger
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Renogy 48V 3500W Inverter Charger — Two Functions, One Off-Grid Proven Unit
48V Hybrid Power for Grid-Independent Living
- FREE System Design Consultation -- Our engineers size your system for your actual consumption
- FREE Shipping -- Ships free on all orders, no minimum threshold
- Compatibility Guarantee -- Pre-vetted to work within 48V off-grid architectures
Price range: $772.95 through $965.95
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Free Returns 30-day hassle-free returns.
Free Delivery Every order, every time.
Ships in 3–5 Days Heavy-duty crating included.
4.9/5 Stars 2,400+ verified reviews.
In the box
- Renogy 48V 3500W Inverter Charger
- User documentation
48V Hybrid Power for Grid-Independent Living
This Renogy 48V 3500W solar inverter charger combines AC inversion and battery charging in one field-tested unit, built for serious off-grid systems that can't afford downtime. It integrates cleanly into your 48V battery bank and handles the heavy lifting — running appliances, charging from solar or grid, and keeping your homestead powered without utility dependence. Select the Renogy ONE option and receive a BT-2 Bluetooth Module at no extra cost for wireless monitoring. Ships free. Finance with Affirm — pay as low as $65/month on approved credit.
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3,500W Continuous Output
48V System Compatible
Inverter + Charger Hybrid
BT-2 Bluetooth Optional
48V
System Voltage
3,500W
Continuous Power
BT-2
Free Module w/ Renogy ONE
No More Guesswork With Component Matching
The grid-tied system that shuts down during a blackout is not energy independence — it is a bill reducer wearing a disguise. This Renogy 48V 3500W inverter charger is built for genuinely off-grid proven power, meaning it runs your home whether the grid is up or down. At Off Grid Vault, every component we sell is pre-vetted for compatibility with your system architecture. You are not piecing together an inverter from one vendor and a battery bank from another and hoping the BMS protocols align. This inverter charger integrates directly into 48V systems designed by people who actually build off-grid. No mix-and-match risk. No wondering if your inverter will talk to your batteries.
One Unit Does The Work Of Two
Running a separate inverter and battery charger means two devices to wire, two devices to troubleshoot, and two potential failure points. This Renogy unit combines both functions into a single off-grid proven chassis. It takes DC power from your 48V battery bank, inverts it to clean AC for your loads, and reverses the process to recharge your batteries from an AC source like a generator or shore power. For anyone building a cabin or homestead system, that simplification matters. Fewer components means cleaner wiring, fewer connection points that can corrode or loosen, and a system you can actually diagnose when something needs attention.
Monitor Your System From Anywhere
With the Renogy ONE option, you add a BT-2 Bluetooth module at no extra cost — giving you real-time visibility into your inverter charger status from your phone. For a 48V system running a cabin or backup setup, that is not a convenience feature. It is how you check your battery state of charge without walking out to the power shed in the dark. It is how you confirm your batteries are actually charging when you fire up the generator during a multi-day outage. Off Grid Vault includes this monitoring upgrade path because grid-independent living requires knowing exactly what your system is doing at all times.
Compatibility Check
Confirm your system matches these requirements before ordering.
- Your battery bank is 48V nominal
- Your combined continuous load does not exceed 3,500W
- You have a Renogy ONE hub if selecting the BT-2 Bluetooth option
Built For
Where this inverter charger earns its place in your system.
Cabin & Homestead Power
48V Battery Backup Systems
Off-Grid Workshop & Outbuildings
Full specifications
At a glance
- Dimensions
- See product page
- Power
- 48V
- Compliance
- See product page
- Warranty
- See product page
Full specifications13 data points across 4 categories
Dimensions
| Length | See product page |
|---|---|
| Width | See product page |
| Height | See product page |
| Weight | See product page |
Power & Performance
| System Voltage | 48V |
|---|---|
| Continuous Output | 3,500W |
| Surge Rating | See product page |
| Transfer Switch | See product page |
| Charger Current | See product page |
Materials
| Housing | See product page |
|---|---|
| Cooling | See product page |
Compliance & Warranty
| Certifications | See product page |
|---|---|
| Warranty | See product page |
The Off Grid Vault Promise
What you get when you buy from us instead of a generic marketplace.
Free ShippingEvery order ships free, including LTL freight on large systems — no minimums, no surprise charges at checkout.
30-Day Performance GuaranteeIf it doesn't perform as specified, we make it right. Uninstalled returns accepted within 30 days in original packaging.
Free System Design ConsultationOur engineers size your system for your actual consumption — no guesswork, no incompatible components.
★★★★★
“I replaced a standalone inverter and charger with this Renogy unit. Cleaner wiring, fewer components to worry about, and my 48V LiFePO4 bank charges properly from my generator now. Took advantage of the free system design call before ordering — they confirmed it would work with my existing setup. Wish I had done this sooner instead of piecing things together from different vendors.”
Additional information
| With Renogy ONE | No, Yes (and get a BT-2 Bluetooth Module Free) |
|---|
Frequently Asked Questions
At $772.95, this unit replaces what would otherwise be two separate purchases — a standalone inverter and a standalone battery charger. Compare that to buying mismatched components from a generic marketplace, where you have no system design support and no guarantee the devices will communicate properly. Off Grid Vault provides free system design consultation with every purchase, so you know this inverter charger fits your 48V architecture before it ships.
Yes. Off Grid Vault is an authorized dealer for Renogy and every brand we carry. That means warranty claims go through us directly — not through a ticket queue on a marketplace platform. If something fails under warranty, you contact us and we handle it. That is the difference between buying from a store that stands behind the products and buying from a listing that disappears after the offer.
This inverter charger is designed for 48V systems. Whether it integrates seamlessly with your specific battery bank depends on the BMS protocol and charge profile requirements. Rather than guess, take advantage of our free system design consultation. Tell us your battery bank specs and daily consumption, and our team will confirm compatibility before you buy. That is what the compatibility guarantee on our system packages exists for.
We ship free on all orders. Lead times vary by product availability, but we do not hold orders or add unnecessary delays. If there is a genuine lead time on this specific inverter charger, we will communicate that upfront before you pay — not after. Check the product page for current stock status or contact us directly for an accurate ship estimate.
A 48V architecture handles the same power with half the current compared to 24V, which means thinner wiring, less heat, and better efficiency across your DC connections. If you are building a system at this power level, 48V is the right call — and this inverter charger is built for exactly that. The choice between 24V and 48V is not about quality; it is about matching your architecture to your loads. Our free system design consultation can help you determine the right voltage for your specific setup.
An inverter alone converts DC to AC. An inverter charger does that plus recharges your battery bank from an AC source like a generator or grid connection. If your system ever needs to accept AC input — whether from a backup generator during poor weather or from shore power at a cabin — you need the charging function. For most off-grid and backup setups, an inverter charger is the right choice because it eliminates the need for a separate charger unit.
The Off Grid Vault Promise
What you get when you buy from us instead of a generic marketplace.
Free Shipping
Every order ships free, including LTL freight on large systems — no minimums, no surprise charges at checkout.
30-Day Performance Guarantee
If it doesn't perform as specified, we make it right. Uninstalled returns accepted within 30 days in original packaging.
Free System Design Consultation
Our engineers size your system for your actual consumption — no guesswork, no incompatible components.
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About renogy Inverter Chargers
renogy is a trusted manufacturer of premium inverter chargers. OffGridVault is an authorized dealer offering the full renogy lineup with free delivery, price match guarantee, and expert support.
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