Is the Renogy inverter with UPS a good buy?
For value, the Renogy 3000W 12V Pure Sine Wave Inverter with UPS Transfer Switch ranks #2 of 5, at 6.49 W/$ for $461.99. In this review, only the plain 3000W 12V Pure Sine Wave Inverter does better, at 7.23 W/$ and #1 of 5.
| Power and capacity | |
|---|---|
| Continuous AC output | 3000 W |
| Surge output | 6000 W |
| Size and moving it | |
| Weight | 14.8 lb |
| Product | Best current price | Watts per dollar | Value rank |
|---|---|---|---|
 Renogy 3000W 12V Pure Sine Wave Inverter with UPS Transfer Switch | $461.99 at Renogy | 6.49 W/$ | #2 of 5 |
 Renogy 3000W 12V Pure Sine Wave Inverter | $414.99 at Renogy | 7.23 W/$ | #1 of 5 |
| Magnum Energy MSH3012RV-L RV Inverter/Charger | $2,538.95 at A1 SolarStore | 1.18 W/$ | #5 of 5 |
 Renogy 3500W 48V Solar Inverter Charger | $769.99 at Renogy | 4.55 W/$ | #3 of 5 |
| OutBack Power VFXR3648A Inverter/Charger | $2,527.44 at A1 SolarStore | 1.42 W/$ | #4 of 5 |
What does it offer on paper?
Renogy rates it at 3000 W of continuous AC output from a 12 V battery bank. For short bursts, Renogy lists a surge of 6000 W that lasts 2 s.
That puts it in the site's class of 2000 W or more of continuous AC output. Motors and pumps pull a spike of power when they start, so check both surge size and surge time.
How heavy is it to mount or move?
Renogy lists the weight at 14.8 lb. On the site's scale, that makes it easy to carry (under 30 lb).
Plan the mounting spot near the battery, since thick, short cables waste less power than long ones.
What is known about the UPS transfer switch?
The switch is part of the name Renogy gives this model: 3000W 12V Pure Sine Wave Inverter with UPS Transfer Switch. The data behind this page lists no switch time and no outage behaviour for it.
Where is it strong, and where does it fall short?
Renogy lists a 6000 W surge for 2 s on this model and a 6000 W surge for 1 s on the plain model. The weak spot is cost, since $461.99 is more than the $414.99 the plain model asks.
A low battery voltage means heavy current at full load.
Who should buy it?
It fits a buyer with a 12 V battery bank who needs 3000 W of continuous AC output. If watts per dollar matter most, the plain model leads at 7.23 W/$.
Why pick the plain Renogy model instead?
The 3000W 12V Pure Sine Wave Inverter is the value leader at 7.23 W/$, and it costs $414.99 at Renogy. It is also lighter, at 12.5 lb against 14.8 lb for the UPS model.
What does the larger Renogy solar inverter charger add?
Where the Renogy UPS model runs on 12 V, the 3500W 48V Solar Inverter Charger runs on a 48 V bank and gives 3500 W of continuous output. At $769.99 it ranks #3 of 5, with 4.55 W/$.
Renogy lists it at 23.8 lb with an IP20 enclosure. An inverter must match the voltage of the bank it runs on.
How does the OutBack inverter/charger compare?
OutBack rates the VFXR3648A Inverter/Charger at 3600 W against 3000 W for the Renogy UPS model, with a 5400 W surge listed for 5 s. OutBack lists a warranty of 5 years and allows up to 10 units in parallel.
The trade-off is price and bulk: $2,527.44 at A1 SolarStore, 1.42 W/$, and a weight of 61 lb. That lands it at #4 of 5 for value.
Is the Magnum RV inverter/charger worth its price?
The MSH3012RV-L RV Inverter/Charger sits last at #5 of 5, with $2,538.95 at A1 SolarStore buying only 1.18 W/$. Magnum Energy builds it for a 12 V bank, and the Renogy UPS model also runs on 12 V. It can charge that bank at up to 125 A, and Magnum Energy lists lithium iron phosphate (LFP), gel, flooded or AGM as battery types.
Its surge is 3500 W for 5 s. It weighs 55 lb.
How should you choose between them?
Start with your battery voltage, because an inverter must match the bank it sits on. Next, decide whether you need a charger built in or just a way to turn battery power into wall power.
Then list your largest motor load and compare surge size and surge time together. Last, weigh price per watt against warranty length and how much you plan to expand.