Showing posts with label 12v. Show all posts
Showing posts with label 12v. Show all posts

3/11/2012

Cobra CPI 2575 2500 Watt 12 Volt DC to 120 Volt AC Power Inverter Review

Cobra CPI 2575 2500 Watt 12 Volt DC to 120 Volt AC Power Inverter
Average Reviews:

(More customer reviews)
Beware of all those talking about failures of the inverter - one guy says that he returned his, because two 70Ah batteries couldn't power it to run a 1/2 horsepower motor.
Well...guys, there are a few things you need to know about inverters before buying a big one...which does NOT directly substitute for a generator! The little ones are WAY DIFFERENT than the big ones.
First off, at 2500-watts, you are pulling 200+ amps across the wire...so, unless you are hard-wired with some 4/0 solid-strand wire, you really need to go with DOUBLE 4-AWG strand wires...basically, buy TWO sets of 4-AWG jumper cables, and after you cut the ends off both, then run double-strand (both red AND black) of a complete set to EACH POST of the inverter...yes guys, that's a LOT of wire...and due to heat, I wouldn't run that more than 5-6 feet!
Now...batteries...let's laugh at the guy trying to get 1600 watts of batteries to run a 2500 watt inverter...and consider what you REALLY NEED...for deep cycle batteries rated on the 20-Ah system, and rated at, say 500-Amps, then buy 6 of these and wire them in PARALLEL circuit to power the inverter. Yep...$600 in deep cycle batteries! Now, you have enough batteries to power the inverter for 2-6 hours, depending on loading, before you will need to recharge your 6-battery bank. Plan on a charger that can throw 50-100 amps into the charge...so your little $50 Schumacher charger is NOT going to charge this battery bank overnight! Try more like a $300 charger to charge them in 12-hours...or, if you want solar, good...you need to throw about 70-amps of charge into these for 12-hours solid...so that is $300-$500 in solar panels. Also note...batteries get weak after enough cycles...so pay attention to your charge circuit...and a charging circuit MINDER isn't a bad idea, either!
How do I know this? Because these are all the big troubles encountered when I was a Director of Engineering for an RV Manufacturer...and when you get over 1500-Watts of inverter involved...you start playing by a whole new set of rules! It is MUCH CHEAPER to go with a 3000-watt generator, than to even CONSIDER getting a 2500-watt inverter.
This is a good inverter...but buying one this big and not knowing how to care for and maintain it, is like buying a big chemistry set and giving it without supervision to your mischievous 12-year old...it is NOT a good idea.

Click Here to see more reviews about: Cobra CPI 2575 2500 Watt 12 Volt DC to 120 Volt AC Power Inverter



Buy NowGet 47% OFF

Click here for more information about Cobra CPI 2575 2500 Watt 12 Volt DC to 120 Volt AC Power Inverter

Read More...

12/12/2011

Vector VEC053D 1,200 Watt D/C To A/C Power Inverter With Power Level Meter Review

Vector VEC053D 1,200 Watt D/C To A/C Power Inverter With Power Level Meter
Average Reviews:

(More customer reviews)
What a peice of crap!There are no posts on the back of this inverter, only holes with set screws. So you can't buy a regular set of cables and screw them on. Instead they send you a set of their "special connectors" so you can spend your time building your own cables.

Click Here to see more reviews about: Vector VEC053D 1,200 Watt D/C To A/C Power Inverter With Power Level Meter

Vector Maxx SST Power Inverters... soft - starting hard workers with state - of - the - art circuitry! SAVE BIG! These Power Inverters, your choice of power levels, convert 12V DC into 110/120V AC household power. They feature Maxx SST (Soft Start Technology) gradually, safely ramping up the output voltage to start difficult motorized loads and protect sensitive appliance circuits. They handle temporary high-surge loads without problems. They run most AC-powered electronic equipment and appliances including wet / dry vacs, stereos, heavy-duty power tools, TV / DVD / VCR combos, microwaves, refrigerators, computers and more (see chart for wattage examples). Powerfully convenient: Completely silent operation; Smooth, noise-free power technology with filtered modified sine wave, helps eliminate static and horizontal lines in TV picture; Engineered for safety, durability, reliability. Has short circuit protection, low battery voltage alarm and shutdown, thermal shutdown, and auto reset. Certified to meet ETL standards; Turbo cooling keeps components cooler for longer life; Approx. 90% efficient, solid state design gets the most out of your battery; Durable, weather-resistant aluminum housing. Ideal for work sites, power failures, camping, tailgating and more... check the details and hook yourself up with one or more now! Sample Wattages: 100 Watt Halogen Bulb - 100 Watts; Computer / Printer / Fax 150 Watts; 12" 3-speed fan 230 Watts; Quartz Halogen Spotlight 250 Watts; 20" TV / VCR Combo 300 Watts; 3/8" Drill 320 Watts; Home Stereo 350 Watts; Small Power Tools 400 Watts; Blender 450 Watts; Mini Refrigerator (1/20 hp) 500 Watts; Coffee Maker 800 Watts; Mini Microwave Oven 1,000 Watts; Full-size Microwave 1,400 Watts; Wet / Dry Vac, 6 HP 1,440 Watts; 1 HP Motor 1,500 Watts; Stackable Washer / Dryer 2,200 Watts; Three 3-prong 110/120V AC outlets, with 1,200W continuous / 2,400W peak power, up to 10.8 amps Approx. 13 x 6 x 2 1/2". Weighs 5 3/4 lbs. AVAILABLE SEPARATELY: Vec

Buy NowGet 50% OFF

Click here for more information about Vector VEC053D 1,200 Watt D/C To A/C Power Inverter With Power Level Meter

Read More...