Renogy 3500W 48V Pure Sine Wave Solar Inverter Charger

Renogy 3500W 48V Pure Sine Wave Solar Inverter Charger

SVT Score, Top

4.6
Usability4.4/10Social4.8/10The SVT Score is placed on its category's range
Versus
4.4
SVT SCORESRead review

A 48 V, 3,500 W pure sine wave inverter with an 80 A, 150 V MPPT controller, a 40 A AC charger and a 10 ms transfer in one 22.4 lb box.

$600

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SKU: RIV4835PCS-1SS Category: Brand:

Usability

4.4 out of 10

At 3,500 W continuous it sits on the 3,500 to 4,999 W rung for a 48 V all-in-one, so it scores 3 on capacity.

Renogy's product page rates peak efficiency above 95 percent and idle draw at 48 W, which is 13.7 W per kW of its 3,500 W rating, and the idle figure holds it between the 4 and 6 rungs, so it scores 5 on efficiency.

Its datasheet rates surge at 7,000 W for one second, 2.0 times its continuous rating, so it scores 5 on operating range.

It switches between utility and battery in 10 ms, carries the built-in MPPT controller, reads a lithium battery's BMS over RS485 and has a 40 A AC charger equal to 160 A at 12 V, but Bluetooth needs Renogy's separate BT-2 module and it neither stacks in parallel nor puts out 240 V, so it scores 7 on features.

Intertek's directory records the RIV4835PCS-1SS only as a Recognized Component to CSA C22.2 No. 107.1 and UL 1741 and UL 458, a part meant to go inside a listed product rather than a listing of the inverter charger as sold, so it scores 4 on verification.

Renogy's product page and its current warranty schedule give 2 years for materials and workmanship, so it scores 3 on warranty and support.

Warranty and returns

Renogy sets warranty terms by model, for the original buyer only, and takes unused renogy.com orders back within 30 days, lithium batteries within 7.

$599.99 at renogy.com.

Three boxes in one, No stacking

The RIV4835PCS-1SS is Renogy's 48 V all-in-one inverter charger, a 3,500 W pure sine wave inverter with an 80 A MPPT solar controller and a 40 A AC charger for off-grid cabins, RVs and home backup.

Verdict

It suits a buyer building a 120 V off-grid or backup system on a 48 V bank who wants solar, utility and generator charging with a 10 ms transfer in one box, and who will not need 240 V output or a second unit in parallel.

Strengths

  • 3,500 W continuous and 7,000 W surge for 1 second
  • 80 A MPPT controller taking up to 150 V and 4,400 W of PV
  • 10 ms transfer between utility and battery
  • Reads a lithium battery's BMS over RS485 to set charge and discharge current
  • 25 W EcoSleep power-saving mode against 48 W idle

Drawbacks

  • Recognized Component records onlythough its page claims a UL 458 and UL 1741 listing
  • Bluetooth needs the separate BT-2 module
  • No parallel stacking or 240 V split-phase output
  • 48 W idle draw13.7 W per kW of rating
  • AC charger tops at 40 Athe 120 A total needs 80 A of solar alongside

Social score

4.8 out of 10
RedditBrand-level5.0 out of 10

In a July 2025 r/vandwellers thread one owner calls a Renogy 2000 W inverter fantastic, another reports a 2000 W inverter without issues after more than 4 years, and a third is in year three with a 3000 W inverter-charger working mostly flawlessly. In the same thread a full-timer's 3 kW inverter output terminal snapped while being wired, and an owner with a full Renogy system since 2019 says the inverter-charger trips a 20 A shore circuit and a support ticket sat open over 30 days. An r/solar post titled 'Avoid Renogy' reports a PUH 2000 W inverter dead on first use from bad soldering on the switch board (August 2025), and a 2020 r/vandwellers thread reported inverter-chargers whose automatic neutral-to-ground bonding circuit did not work.

GoogleBrand-level5.0 out of 10

4WDing Australia ran a Renogy 3000 W and a 2000 W UPS inverter on a lap of Australia, the 3000 W at least three times a day for more than 100 days without a fault (December 2022, updated April 2024), though a commenter's 3000 W cut out after 30 seconds at 1,700 W and was returned. A motorhomefun owner reports a 2000 W working well for two years (March 2023), and a VW T6 Forum owner says a 3000 W has worked flawlessly (May 2026). On DIY Solar Forum, an owner's 1000 W pure sine inverter blew a MOSFET at 14 months, two months out of warranty, and an installer in the same thread says his firm no longer supports Renogy over reliability and service (November 2023).

YouTube5.0 out of 10
Liked
  • Inverter, 80 A MPPT controller and AC charger in one box
  • UPS-level 10 ms switching
  • Integrated 80 A MPPT controller

Best Buys Reviewed Tools, in a video YouTube marks as paid promotion, presents the RIV4835PCS-1SS as consolidating a separate inverter, charge controller and AC charger into one coordinated 48 V box and calls it 'a thoughtful step forward' for DIY builders who value integration and UPS-level switching, adding that results may vary with setup and battery design (June 2026). The video gives no measured figures.

Amazon4.0 out of 10

Renogy's Amazon US listing for the RIV4835PCS-1SS (B0FH6ZBX87, sold by RenogyRego) reads 2.7 from 3 ratings, split 34 percent five-star, 33 percent two-star and 33 percent one-star (October 2026).

User reviewsNot scored

The retailer pool is blank: Walmart, Home Depot and Lowe's carry no rated listing of the 48 V 3500 W all-in-one.

Trustpilot
  • Trustpilot rates renogy.com 4.0 from 6,939 reviews on a claimed profile that Renogy pays Trustpilot to subscribe to.
  • The split is 59 percent five-star against 22 percent one-star.
Track record
  • The BBB rates Renogy A+ and has accredited it since January 2014, with 122 complaints filed in the last three years.
  • CPSC recall 16-725 (2016) replaced about 1,500 RNG-100DB bendable panels for fire risk, and NHTSA recall 24E-005 (2024) gave about 1,800 RV-maker battery packs a firmware fix.
Not countedExcluded

Not counted in any pool: renogy.com's own review widget, Renogy's YouTube channel, its r/RenogyCommunity subreddit and Facebook groups, or its Impact affiliate and Off-Grid Creator programs.

Brand-level

4.0 on Trustpilot, an A+ from the BBB, two recalls

Specs

  • CapacityNot applicable
  • AC Output3,000-3,999 W
  • System Voltage48 V
  • Panel PowerNot applicable
  • Charge Current40-49 A
  • Safety ListingRecognized component only
  • Cell TypeNot applicable
  • Low-Temp ChargingNot applicable
  • Warranty2 Years
  • MonitoringBluetooth add-on
  • Weight22.4 lb

At a glance

  • Wired remote, 5 m RJ12 cable
  • 444.8 x 330 x 124 mm
  • Dry-contact generator start
  • Under 3 percent THD

Renogy is the brand of RNG International, Inc., of Ontario, California, which Dr. Yi Li founded in 2010.

It sells direct from renogy.com and its Amazon and eBay brand stores, and through Home Depot, Lowe's, Best Buy, Camping World and Walmart's marketplace.

The Renogy RIV4835PCS-1SS is a 48 V all-in-one inverter charger: a 3,500 W pure sine wave inverter (at 25 °C), rated 7,000 W surge for one second, with an 80 A MPPT solar charge controller and a 40 A AC battery charger, by Renogy's datasheet. Output is 120 VAC, configurable from 100 to 120 V in 5 V steps, at 50 or 60 Hz with under 3 percent THD. It runs from a 48 V battery between 40 and 60 V and starts at 44 V. The AC input takes 85 to 140 VAC at up to 40 A, the transfer relay is rated 30 A continuous and 40 A surge, and transfer takes 10 ms. The solar input accepts 60 to 150 V (145 V recommended), 50 A and 4,400 W, with an MPPT window of 60 to 120 V on the product page and 4,200 W of charge output; solar and AC charging together are set from 5 to 120 A in 5 A steps. Renogy rates idle draw at 48 W (the datasheet prints 50 W) and 25 W in its EcoSleep power-saving mode, and the product page rates peak efficiency above 95 percent. It has an LCD with LED indicators, an RS485 port that reads a compatible lithium battery's BMS to set charge and discharge current, a CAN port marked reserve, a dry-contact port to start and stop an auto-start generator, and a port for Renogy's optional BT-2 Bluetooth module and DC Home app. It measures 444.8 x 330 x 124 mm (17.51 x 12.99 x 4.88 in) and weighs 22.4 lb. The quick guide lists in the box a wired remote (RMS-P2) with a 5 m RJ12 cable, two M6 ring terminals and two M6 nuts. Renogy sells it alone at $599.99.

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Researched and edited by Michael Ambrose · Unbroken Ads LLC · How we score

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