Generic PM3-75LK 75 A RV Power Converter and Battery Charger

Generic PM3-75LK is a corded RV power converter and battery charger listed with a 75 A current rating and selectable charging modes. It is intended to convert shore AC power to 12V DC for RV loads and battery charging, with listed support for lead-acid and LiFePO4 batteries.

At a glance

Three-stage charging is advertised, with charging modes for lead-acid and LiFePO4 batteries.
The listing names fixed-voltage choices of 13.0V, 14.6V and 16.5V.
The manufacturer claims 75 A AC-to-DC conversion for charging a 12V battery while powering onboard DC loads.
The listing claims a temperature-controlled fan, six protection functions and a metal housing.
Manufacturer describes the unit as a direct replacement for PM3-75 series converters, with matching mounting-hole layout and terminal position.

Price

$97.30Save 30%

Reference price: ~~$139.00~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Selectable battery charging and fixed-voltage modes offer options for different battery setups.
The claimed 75 A rating is suited to buyers seeking a higher-current RV converter and charger.
A temperature-controlled fan is claimed to adjust speed at low load.

Technical specifications

10 specifications

Identity
Brand	Generic
Model	PM3-75LK

Power and battery
Power configuration	Corded Electric
Current rating	75 A
Listed output voltage options	13.0V, 14.6V and 16.5V
Supported battery types	lead-acid and LiFePo4 batteries

Dimensions and installation
Dimensions listed	8.7"D x 6.9"W x 3.5"H
Weight listed	6.5 pounds

Standards and warranty
Specification met	UL, cUL
Warranty description	1 year

What to know before buying

Listing details to confirm

The listing's 75 A current rating and 1000W maximum power claim are manufacturer specifications, not independently verified. Confirm the selected voltage mode, battery compatibility and electrical fit with the RV system before installation. The claimed PM3-75-series replacement fit does not establish compatibility with other models.

What’s in the box

LED indicatorIncluded
Wiring manualCheck selected pack
Connecting terminalsCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

RV, travel-trailer and camper owners seeking a corded AC-to-12V converter that also charges a battery.
Buyers whose battery system is lead-acid or LiFePO4 and who can select the appropriate listed charging mode.
Owners replacing a PM3-75-series converter who can confirm mounting and terminal compatibility.

Less suited to

Buyers needing a product with independently verified output, protection or certification claims.
Installations that require confirmed compatibility with a converter series other than PM3-75.

Generic PM3-75LK 75 A RV Power Converter and Battery Charger · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 3 ratings

5 stars64%64%
4 stars36%36%
3 stars0%0%
2 stars0%0%
1 star0%0%

The supplied evidence contains aggregate ratings only, with a very small sample. Those figures give limited information about owner experience and do not identify particular strengths, concerns or reasons for ratings. They should not be treated as evidence of the converter's charging performance or compatibility.

Frequently asked questions

Which battery types are listed as supported?

The listing names lead-acid and LiFePO4 batteries and describes selectable charging modes. Confirm the mode is appropriate for your battery before use.

What voltage choices are listed?

The listing gives fixed-voltage options of 13.0V, 14.6V and 16.5V.

Is this a drop-in replacement for my converter?

The manufacturer claims matching mounting-hole layout and terminal position for PM3-75-series replacements. Confirm your existing unit's model and connections, since compatibility with other series is not established here.

What does the listing claim is included?

The explicit included-components field names an LED indicator. A separate feature claim says the unit comes with a wiring manual and connecting terminals, so check the selected listing for those items.