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This review is from: MagSafe® 85 Watt Power Adapter for MacBook Pro® 15 and 17 Inch Series Laptops
Pros: compatible with all MacBook models requiring a power adapter with an output of 85 watts or fewer
Cons: wall wart does not exactly match the dimensions of the OEM one. OEM inserts (three prong cord and 2 prong niche) will function with this unit, but there is a cosmetic size mismatch. not for the OCD at heart
occasionally, the indicator light will not illuminate when plugged in, this does not normally indicate a lack of operation as is to be expected, so the battery indicator (dots on the side of the machine, or symbol on screen) should be used to ensure that the Book is charging
Other Thoughts: my family is kind of rough on electronics, and the OEM power adaptor got chewed up pretty bad (the tip clean fell off the end by the time we were done). This fills the role of that adapter, so I'm happyREAD FULL REVIEW
This review is from: Fosmon 7-Port USB 2.0 Hub with Built-in USB Cables - Black
Pros: 7 ports! I think I've only filled it once
proper strain relief on each end of every cable
Cons: did not come with a supplemental power adapter
The blue LED on the hub is very bright
some applications may require a USB extension cord. the input lead is only a few inches long
Other Thoughts: I bought two of these to replace some four port hubs that had fallen apart (I don't think I can name it here, but it was shaped like a person). I'm not afraid of these falling apart when I move them or when devices hang off of their appendages.
Side note: these hubs do come with a barrel type 5V port to accept supplemental power, but this particular version does NOT come with the adapter. If this hub is needed for a high power application, I recommend finding the part listing that comes with the additional power supply.
This review is from: Rosewill 400W DC To AC Power Inverter with Power Protection and Alarming RCI-400MS
Pros: double tier circuit protection (fused 12V plug and fuse in unit for high current applications)
aluminum shell: rugged and allows for heat dissipation
alligator leads included
power switch on front
ring terminal input
Cons: 12V plug is a little wimpy and obviously doesn't allow for full utilization of the unit
polarity/ over-voltage protection status is unknown, so ALWAYS check to make sure you have red to red and black to black on a 12V system only.
Other Thoughts: Bought two of these to replace two damaged ones in family vehicles. seeing as one of the units these replaced got crushed by a power seat, the aluminum chassis was a bonus. I recommend using a connection more stable than the cigarette lighter
the alarm triggers at about 9V, so if your car battery is old, the alarm may just tell you that its too late and you need some jumper cables
please note that most power inverters advertise peak power rating, which is twice the continuous power rating. here, 400W means you get to use all 400W all the time.
the ring terminals on the back also allow for easy connection to any existing 12V power system