Renogy 48V 3500W Solar Inverter Charger
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16.9kW Pallet - Adani Solar 535W Half-Cut Mono-crystalline Solar Panel (Silver) | Up to 650W with Bifacial Gain | M10-144 | Full Pallet (31) - 16.9kW Total
$6,994.95
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Renogy 48V 3500W Solar Inverter Charger
One Unit, Two Critical Functions for Your Off-Grid System
- FREE System Design Consultation -- Our engineers size your system for your actual consumption
- FREE Shipping -- Ships free — no surprise freight charges
- Compatibility Guarantee -- Pre-vetted to work within your 48V architecture
Price range: $772.95 through $965.95
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Ships in 3–5 Days Heavy-duty crating included.
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In the box
- Renogy 48V 3500W Solar Inverter Charger
- See product page for full contents
One Unit, Two Critical Functions for Your Off-Grid System
The Renogy 48V 3500W Solar Inverter Charger converts DC from your 48V battery bank into clean AC power for your off-grid homestead or cabin. As a combined inverter and charger in one unit, it handles both solar energy conversion and battery charging from an AC source — keeping your grid-independent system simple and reliable. Field-tested for real-world conditions, this unit pairs with Renogy ONE for Bluetooth monitoring via the included BT-2 module. Ships free.
FREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORT
3,500W Output
2-in-1 Design
48V System
BT-2 Module Option
48V
System Voltage
3,500W
Continuous Output
2-in-1
Inverter & Charger
Eliminate the Grid-Tied Trap With a True Off-Grid Power Core
Grid-tied systems marketed as energy independence go completely dark the moment the utility fails. That defeats the entire purpose of investing in solar. The Renogy 48V 3500W Solar Inverter Charger operates independently of the grid — it draws from your 48V battery bank and converts DC to clean AC power whether the utility is up or down. At Off Grid Vault, we pre-vet every component for compatibility so your inverter talks to your battery bank correctly. No mix-and-match guesswork, no mismatched protocols. This inverter charger handles both inversion and charging in a single unit, reducing the number of components you need to wire, configure, and troubleshoot in your off-grid build.
One Unit Replaces Two — Simpler Wiring, Fewer Failure Points
Combining a 3500W inverter and a battery charger into a single enclosure means less wiring, fewer bus bars, and fewer connection points that can corrode or loosen over time. For anyone assembling a 48V off-grid system, fewer separate components translates directly into easier installation and easier troubleshooting down the road. The integrated design also reduces your footprint — important for compact cabin builds or battery rooms where space is tight. Add the optional Renogy ONE module and you get a free BT-2 Bluetooth Module for wireless monitoring straight from your phone, giving you real-time visibility into your system performance without opening a panel or checking a display.
48V Architecture for Serious Off-Grid Builds
A 48V system runs at lower current than 12V or 24V setups, which means thinner wire runs, less voltage drop over distance, and reduced heat at your connections. If you are powering a cabin or homestead where your inverter sits some distance from your battery bank, 48V is the architecture that makes that practical without oversizing your cabling. The Renogy 48V 3500W Solar Inverter Charger is built specifically for this voltage class. Pair it with a 48V LiFePO4 battery bank and an MPPT charge controller, and you have the foundation of a grid-independent power system sized for real daily consumption — not a portable power station that runs out before lunch.
System Compatibility
Make sure this inverter charger matches your battery bank and monitoring setup before ordering.
- 48V battery bank required
- Off-grid or backup power configuration
- Renogy ONE compatible with BT-2 Bluetooth module
Where This Unit Performs
Built for permanent off-grid and backup installations where reliability matters.
Cabin Power System
Homestead Solar Setup
Emergency Backup Power
Full specifications
At a glance
- Power
- 48V
- Warranty
- See product page
Full specifications7 data points across 4 categories
Dimensions
| Overall | See product page |
|---|
Power & Performance
| System Voltage | 48V |
|---|---|
| Continuous Output | 3,500W |
| Type | Solar Inverter Charger |
Materials
| Housing | See product page |
|---|
Compliance & Warranty
| Warranty | See product page |
|---|---|
| Renogy ONE Option | Yes (includes free BT-2 Bluetooth Module) |
The Off Grid Vault Promise
Every product we carry is vetted for real-world off-grid performance. This inverter charger is no exception.
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.
Free ShippingShips free to your door — no minimums, no thresholds, no surprise freight charges.
★★★★★
“I replaced my separate inverter and charger with this unit and cut my wiring mess in half. Running it on a 48V LiFePO4 bank in my cabin — zero issues so far. Paired it with the Renogy ONE for Bluetooth monitoring and I can check my system from the couch. Off Grid Vault answered my compatibility questions before I ordered, which is more than I got from the marketplace.”
Additional information
| With Renogy ONE | No, Yes (and get a BT-2 Bluetooth Module Free) |
|---|
Frequently Asked Questions
Buying a standalone 48V inverter and a separate battery charger typically costs more than a combined unit — and you take on the risk of mismatched components. At $772.95, the Renogy 48V 3500W Solar Inverter Charger consolidates two functions into one enclosure. Over the life of your off-grid system, fewer components means fewer potential failure points and simpler maintenance. Finance with Affirm and pay as low as $64/month.
Yes. Off Grid Vault is an authorized dealer for Renogy along with Sol-Ark, EG4, Renon Power, Schneider Electric, and Victron Energy. When you purchase through us, warranty claims go through our team — not through a ticket queue with no accountability. You get a human who understands off-grid systems, not a generic support rep reading from a script.
This inverter charger is designed for 48V battery banks, which is the standard voltage class for LiFePO4 off-grid setups. That said, compatibility depends on your specific battery BMS protocol and communication requirements. Take advantage of our free system design consultation — tell us your battery brand, capacity, and setup, and our engineers will confirm whether this unit integrates cleanly with your existing bank.
You can integrate this inverter charger into an existing 48V system as long as your battery bank and charge controller are already at 48V. However, designing your system around this unit from the start ensures proper breaker sizing, cable runs, and communication wiring. Our free system design consultation helps you plan the full architecture upfront so nothing gets retrofitted awkwardly later.
Warranty coverage follows Renogy's manufacturer terms. As an authorized dealer, Off Grid Vault handles warranty claims directly — you contact us, not a third-party support line. If the unit does not perform as specified, our 30-day performance guarantee covers uninstalled returns in original packaging. For installed systems, we process the manufacturer warranty on your behalf so you are not left navigating it alone.
This is the inverter charger only. A complete off-grid system also requires solar panels, a 48V LiFePO4 battery bank, an MPPT charge controller, wiring, breakers, and mounting hardware. Off Grid Vault sells full system packages where every component is pre-vetted for compatibility. If you are unsure what else you need, our free system design consultation will size the complete setup for your actual daily kWh consumption.
The Off Grid Vault Promise
Every product we carry is vetted for real-world off-grid performance. This inverter charger is no exception.
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.
Free Shipping
Ships free to your door — no minimums, no thresholds, no surprise freight charges.
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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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