Redodo 3000W 12V Pure Sine Wave Inverter Charger
SVT Score, Mid
Redodo’s 3,000 W, 12 V pure sine wave inverter charger with a 45 A AC charger, a 9,000 W surge and a wired LCD remote.
$470
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Usability
4.6 out of 10At 3,000 W continuous it sits on the 8 rung for an inverter-charger, so it scores 8 on capacity.
Its manual gives over 88 percent peak efficiency, below the 4 rung, and a normal-mode no-load draw under 38 W, 12.7 W per kW of its rating, the 4 rung; meeting the 4 rung on every input but one, it takes the value between, so it scores 3 on efficiency.
Better on efficiencyRenogy 3000W HF Inverter Charger$666.99Scores 7.0Its 9,000 W surge, held for 10 seconds per its manual, is 3.0 times its continuous rating, the top rung, so it scores 10 on operating range.
Redodo publishes no transfer time, and it has no built-in MPPT, no split-phase or parallel operation, no battery communications, no Bluetooth or app and a 45 A charger, so it scores 1 on features.
Better on featuresRenogy 3000W HF Inverter ChargerTransfers to battery in 20 ms or less. $666.99Scores 4.0Redodo publishes no UL 458, UL 1741 or CSA listing for the 3000W inverter charger, and no record turned up under its model or maker in the Intertek, UL, LabTest, TÜV SÜD, TÜV Rheinland or SGS directories in October 2026, so it scores 2 on verification.
Redodo's warranty policy gives its 12 V 3000 W inverters 2 years, with no proration stated, while the product page shows a 5-Year Hassle Free Warranty badge; the shorter term is scored, so it scores 3 on warranty and support.
$469.99 at redodopower.com.
9,000 W surge, 45 A Charger
The Redodo 3000W Inverter Charger (R-INVCHA-12V3KW-H1) is Redodo's 3,000 W, 12 V pure sine wave inverter with a 45 A AC charger and automatic grid transfer, for RVs, vans and home backup on a 12 V bank.
It suits a buyer who wants a 3,000 W inverter with shore-power charging and pass-through in one box on a 12 V bank, and who will not need solar charging built in, a stated transfer time or app monitoring.
Strengths
- 9,000 W surge for 10 secondsthree times its rating
- Charging current adjustable from 5 to 45 A
- ECO mode draw under 4 W
- Wired LCD remote on a 23 ft cable
- Grid or battery priority set by DIP switch
Drawbacks
- Peak efficiency over 88 percent
- Normal-mode no-load draw under 38 W
- No published transfer time
- No built-in MPPTBluetooth or app
- Warranty badge says 5 yearspolicy gives 2
Specs
- CapacityNot applicable
- AC Output3,000-3,999 W
- System Voltage12 V
- Panel PowerNot applicable
- Charge Current40-49 A
- Safety ListingNone verifiable
- Cell TypeNot applicable
- Low-Temp ChargingNot applicable
- Warranty2 Years
- MonitoringWired display or port only
- Weight52.0 lb
At a glance
- M8 battery terminals
- 16.54 x 7.28 x 7.09 in
- AC input and output blocks
- Slotted screwdriver in box
Redodo is the brand of Shenzhen Maicheng Technology Innovation Co., Ltd. of Shenzhen, China, which holds its US trademarks and FCC grants, and its press releases give 2020 as its founding year.
It sells direct from redodopower.com, which ships US orders from US warehouses, and through its own Amazon and Walmart seller accounts, with separate stores for Canada, Germany, France, Spain and Japan.
The Redodo 3000W Inverter Charger (store SKU R-INVCHA-12V3KW-H1) is a 12 V pure sine wave inverter rated at 3,000 W continuous with a 45 A AC battery charger and a grid-to-battery transfer switch, for 110 to 120 V AC. Its spec table gives a 9,000 W surge, a 10.5 to 16.0 V DC input, 110 V ±10% output, an operating range of 14°F to 104°F, 16.54 x 7.28 x 7.09 in (420 x 185 x 180 mm) and 52 lb. Its manual gives the surge as 9,000 W for 10 seconds, inverter and charger efficiency of over 88 percent peak, no-load consumption under 38 W in normal mode and under 4 W in ECO mode, a charging current adjustable from 5 to 45 A, M8 battery terminals and battery types LiFePO4 (default), AGM, SLA, GEL, open lead acid and calcium with a desulphation cycle; DIP switches set grid or inverter priority, an AC input window of 100 to 127 V or 90 to 135 V, and load sensing every 30 or 5 seconds. Redodo publishes no transfer time; the page says the switch 'occurs very quickly'. On the AC side are an outlet for loads under 1,000 W, AC input and output terminal blocks for loads up to 3,000 W, and separate charger-input and inverter-output breakers. In the box, per the manual: a wired remote panel with an LCD (6.69 x 3.94 x 1.5 in) on a 23 ft cable, remote mounting screws and anchors, six inverter mounting screws, a slotted screwdriver, six copper wire connectors and six heat-shrink tubes. Redodo also sells it with the 12V 320Ah Mini ($1,134.98), in its 4.2kWh Off-Grid Solar Kit with two 165Ah batteries and the 40A MPPT ($1,394.81), and in its Lead-to-Lithium Upgrade Kit ($1,061.48 with the 320Ah Mini; $1,366.41 adding the 40A MPPT and the 40A DC-DC; $1,606.57 with two 320Ah Minis).
Questions answered from our data
Is Redodo good?We list 13 Redodo products and score 13 of them. Their overall scores run from 4.9 to 6.3, with a median of 5.7, against a median of 5.5 for all 127 products we score.
How much does an inverter-charger cost?The 6 inverter chargers we list run from $470 to $990, with a median of $511.
Are inverter-chargers UL listed?One of the 6 inverter chargers we list carries a UL 458-type listing we could look up by model.
Which inverter-chargers have Bluetooth?Three of the 6 inverter chargers we list offer Bluetooth monitoring, built in or as the maker's add-on.
