Disclaimer: I’m not related to Woot or this product by any means, only a person who bought this earlier and used for a while.
I have this exact model, bought it abought a year back for close to $100 from Woot’s sale of that time.
The Good:
Installed it hardwire (Removed the NIMA plague that it came with - very easily- Unscrewing the plague and 3 inner wires). Surprisingly it didn’t have the 4th wire I would expect to see (ground).
Screen of unit is very nice and well informative for all you need to know.
I’ve charged Tesla Model 3, Y, Kia Niro, Chevy Bolt, for each of them, average full charge from a low charge level is about 7 hours or less (One Overnight and it is fully charged by early AM). Then for Prius that has small battery bank, it takes 1 & half hours to have a full charge from 0% (16Amp OEM charger takes 5-6 hours with 110V).
It uses 240V and provides 40Amp at start and less as it goes.
Temperature is monitored on the screen, starting usually in upper 20s-lower 30s and gets to upper 90s, or lower 100 rarely but never disappointed me or made me worry.
As for Cones:
1- At times for no reason, charging stops (I believer Car reception circuit related & this occurs in very phase of charging) but a simple disconnect, reconnection of charger from car, make to continue and this is not a common problem, only saw a few times especially with Kia and Model Y.
2- The wire is a bit short, though length is adequate when parked specific for it, is not as long as I like. I really prefer 24’ units that give a lot more flexible parking option or reach to two cars/head-tail parking situations.
3- The fact that it doesn’t have both Ground & Common, as you expect for a NIMA4/50 (If the 4 in name means anything!).
My over all conclusion: Extremely happy with this unit at this low price and even though I prefer a hardcore wiring of a 48Amp unit, I do not see any of those close to twice, more likely, 3 time or more of the price of this one, even on the best sale times, like last year’s BF When I got a 48Amp Emporia for a little south of $200! btw this is the lowest price I’ve ever seen offered!
I recommend this charger without any reservation at this price, no brainier.
Are those Centigrade temps? I assume you are not living where temps are usually 25 to 35 degrees F. If Centigrade, then100 degrees = boiling temp or 212 degrees F.
Is that confirmed still within safety specs for each one of the manufacturers? I assume they do differ. The concern is that too high a rate of charge for Li Ion battery packs can cause significant heating. Excessive heat during charging will degrade longevity of the batteries. If there is defective build of a few cells or degrading due to battery age or impact damage, it can cause a fire with sequential adjacent battery ignition.
Seems to be a significant issue: Ford is recalling the charging adapters they issued for Tesla charging stations because they found degraded longevity of the battery packs.
From this source: - BU-410: Charging at High and Low Temperatures - Battery University