Flooded Batteries on Float

Gee, My Hwang Ho monitor, Valiant Butterfly Lithium charger, and other assorted Schezwan produced chew and spit electronics work fine at 40C.

If they didn't work reliably at 40C they would not work here and out the back window they would get hurled.

I can easily mis-engineer an electronic circuit that would operate normally for a few billionths of a second (nanoseconds) at a temperature approaching the surface of the sun.

Proper heat sinking and convection or forced draft cooling design is paramount to electronics or electrical design. An ambient temperature limit of 40C for a device that is supposed to operate in an RV, is laughable.

Some cases an OEM deliberately de-rates a device so as to improve the CREDIBILITY of a product's integrity. Apparently, because of all the factual reports from users complaining 40C is indeed the operational limit, Iota did not do this. They squeezed the specs until they farted.

Thanks for the heads-up Mena, I won't let an Iota get near me. I don't like wasting my time...

Salvo wrote:
Is that an apples-to-apples comparison? The Iota is probably in a small hole with no air flow. The power supply probably has no thermal protection.

What makes you think your Paramode converter didn't fail due to heat? Every 10C rise above room temperature reduces electronics life by one half. There's a reason high reliable electronics get a burn-in test to weed out latent failures.

Yes they are both in the same compartment, right beside each other. Actually, all my equipment is in my MH's big storage compartment. This one is larger and goes through to the other side of the rig. Mex just posted the specs on the power supply. If it doesn't have overheat protection I'll never see it since its upper limit is at 60C. The Iota is just absurdly low. Quite frankly, I was surprised given its reputation. Like I said, it works fine when the temperatures are not in the 100's but I don't have time to be checking it everyday and unlike some here, I don't have some cheap Walmart batteries that I can afford to let sulfate and just simply buy some new one's every year. The float voltage has to work consistently, hot or cold.

Is that an apples-to-apples comparison? The Iota is probably in a small hole with no air flow. The power supply probably has no thermal protection.

What makes you think your Paramode converter didn't fail due to heat? Every 10C rise above room temperature reduces electronics life by one half. There's a reason high reliable electronics get a burn-in test to weed out latent failures.

mena661 wrote:
My $50 power supply works day in, day out from 63F to 110F. My CRAPPY Iota (and it's crap) does not and it's supposedly high quality. Sorry, not changing my mind on this.

Jimmy Durante...

"Everybody's gotta get into the act".

Love it...

Strange. Mine show zero amps from the solar system every night.

Hmmmm ... even when over-nighting under the lights in a Wally Mart lot?

I'll bet Don gets a couple of free amps from those lights! :B and :C

pianotuna wrote:
Hi,

My 12 volts but rarely show zero amps going in from the solar system. It does happen eventually.

Strange. Mine show zero amps from the solar system every night.:B

Sorry Don, couldn't resist.

Salvo wrote:
It's well known that heat kills. If the Iota has a feature that shuts itself off before it burns up then that certainly is not a crappy converter.

It's******because it doesn't meet my needs. My old, supposedly POS WFCO NEVER cut out. Randy told me the Paramode's have high return rates but I bought it anyways. Heat was not it's problem. My $50 power supply works day in, day out from 63F to 110F. My CRAPPY Iota (and it's crap) does not and it's supposedly high quality. Sorry, not changing my mind on this.

Salvo wrote:
What makes you think the Iota quits at 104F?

Cause it's in the spec?? And it does quit at 104 and does not restart when it gets cooler. Regardless, I shouldn't have to baby sit my converter during the summer. It works fine in the other seasons. Powermax converters operate up to 160F (or something like that). I may buy one of these but the power supply is good enough for me. The DW does say the power supply is a band aid and I should buy the appropriate converter that meets our requirements.

MEXICOWANDERER wrote:


• 2-pole AC inlet IEC320-C8
• High efficiency up to 91%
• Cooling by free air convection
• -30~+60C working temperature
• Protections :
Short circuit / Overload / Over voltage /
Over temperature


This is why I just cannot work up a lather of excitement over RV Perverters. Man I am spoiled, sheesh...

Well that's good to know! I will say mine works without fail for days on end in the upper 100F range.

BFL13 wrote:
Yes, mena, you are such a spaz. Salvo says so. Popcorn time! :(

LOL! I just might be though.

MEXICOWANDERER wrote:
• Cooling by free air convection
• -30~+60C working temperature

Now we're talkin'.

See ... engineers can sometimes get it right.

One brand was reported to be working normally at 40C

The other one supposedly self-protected at 40C

NinerBikes states the Iota has an OEM published operational temperature limit recommendation of 40C

:)

This incites me to go check temperature ranges for the Meanwell.




EDIT EDIT EDIT

OK Got It (Cut N Paste)

• 2-pole AC inlet IEC320-C8
• High efficiency up to 91%
• Cooling by free air convection
• -30~+60C working temperature
• Protections :
Short circuit / Overload / Over voltage /
Over temperature


This is why I just cannot work up a lather of excitement over RV Perverters. Man I am spoiled, sheesh...