I am apalled by folks claiming to be "happy" because their charger
or inverter or...you name it electronics
...."lasted three years so far".
Good electronics which are not abused should last A LOT longer than that.
I have SSB
radios which are 50 years old
and work perfectly!
I have inverters which are 25 years old
(Heart Interface 1500W) and work perfectly!
I have a Victron MultiPlus 2500 pure sine wave inverter/charger which is 8 years old
, is used 24/7, and is working perfectly!
I have a Heart Interface (now Xantrex) EchoCharge which is 8 years old
and is used 24/7 and is working perfectly!
I have a Balmar
and MC-612 MaxCharge smart regulator
which are 8 years old
and are working perfectly!
I have two Iota
DLS chargers (a DLS-55/IQ4 and a DLS-45/IQ4) which are 5-7 years old
, are used 24/7, and are working perfectly!
I have a Hallicrafters shortwave receiver and a Zenith Transoceanic receiver which are more than 60 years old
and are working perfectly.
I have numerous navigational devices from the 1960's
which are working perfectly, including three RDFs, four lorans, an HF/DF receiver, etc., etc.
Good electrics and good electronics should last a very long time. If they pass the infant mortality period -- usually the first few weeks -- they should last for decades.
UNLESS....something is wrong.
Either they're not installed right, or they're not used right, or they've taken some hits from bad power or EMF or lightning
As far as I'm concerned, the statement "I got fully five years out of my XXXXX" is an indictment,
not an endorsement!
And, hey...country of origin is immaterial. Many countries, including China, Korea
, etc., produce top quality gear.
Not all of it, of course, but they absolutely are capable of it.
I have Vietnam-era Chinese NiCad batteries which STILL HOLD A CHARGE BEAUTIFULLY FOR OVER A YEAR (in a Chinese backpack HF transceiver).