Showing posts with label battery. Show all posts
Showing posts with label battery. Show all posts

JWIN JDVD768 7-Inch Portable DVD Player Review

JWIN JDVD768 7-Inch Portable DVD Player
Average Reviews:

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I bought this at my local PX on base. I had another JWIN portable DVD that was great, but my son (Capt. Destructo) broke the plastic female housing part to charge it. It's a reliable DVD player overall, but I didn't check to see if it came with a car adapter. It didn't. Luckily, I have the one from the other DVD player. The battery doesn't last much longer than a movie, so if you're on a long drive, a car adapter is necessary.

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JWIN JDVD768 7-Inch Portable DVD Player

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Sanyo 2,500 mAh AA NiMH Rechargeable Batteries (4-Pack) Review

Sanyo 2,500 mAh AA NiMH Rechargeable Batteries (4-Pack)
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Have had three failures out of two 4 packs. The 2700's ok as are the enloops. Will not buy these anymore. Cannot refresh with Maha C9000 charger.

Click Here to see more reviews about: Sanyo 2,500 mAh AA NiMH Rechargeable Batteries (4-Pack)

Do away with disposable batteries and keep your portable electronicsrunningfor years with this four pack of GE/Sanyo AA rechargeable NiMH batteries. Builtforlong-lasting use, the 2,500 mAh batteries last up to four times longer thanstandardalkaline batteries, making them ideal for digital cameras, audio devices, andother high- drain electronics. More significantly, when they run out of power, you don't havetothrow them away and clutter up the landfill. Simply put them in a charger andrechargethem either fully or partially, depending on your needs. All told, these batteriescan berecharged up to 1,000 times without experiencing a memory effect.

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Aiptek 3D-HD High Definition 3D Camcorder (Black/White) Review

Aiptek 3D-HD High Definition 3D Camcorder (Black/White)
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Being a big 3-D fan, I was very excited when this product was announced and, because the price was so low, I pre-ordered it right away without having seen any reviews (because no reviews yet existed). I wasn't entirely sure if I was buying a novelty gadget or a truly useful device. To save myself from being disappointed, I expected the former and hoped for the latter. It turns out that the camera is much better than a novelty gadget, but don't expect to throw away your "normal", digital, point-and-shoot camera or your "normal" camcorder. You'll still need those when you want a perfect, printable photo and a lot of extended video. However, when what you want is a 3-D picture or short 3-D video, the Aiptek 3-D camera is a great, practical, and inexpensive option.
The first question I had was: "does it really work?" I'm happy to say that the answer is a big yes! The resolution of the parallax-barrier display is pretty low, but the 3-D effect is really great and the display serves the purpose very well. I expect the Aiptek 3-D photo frame, with its higher resolution, will be much better (it's still backordered as of this writing, so I don't have one yet). Please understand that when I say "low resolution", I'm speaking about the resolution of the built-in display, not the resolution of the actual images/video, which is much higher. 5 megapixels for images (2592 x 1944) and 720p for video (1280 x 720) doesn't sound like much nowadays, but you'll almost certainly NOT want to print the images you take with this camera anyway. Doing so would require you to convert to the Red/Blue (anaglyph) format. This works, but it's far less than ideal. Rather than that, I believe you should expect to only view these images/videos on the camera itself, the corresponding 3-D photo frame, or a new, 3-D TV. When you decide those are your primary viewing vehicles for the content you create with this device, the resolution becomes far more palatable. Indeed, the resolution of the images exceeds the resolution of the camera's display and even the resolution of the 3-D photo frame (800 x 600). For this reason, I think Aiptek was smart to use a relatively low resolution in order to keep the price so low.
The image and video quality is acceptable, but as I said earlier, if won't replace your existing camera for those times when you want very high quality. The image quality is about as good as the very best cameras being put into cell phones (which also don't compete with a dedicated, "regular" camera). I'll reiterate though: the quality is completely acceptable considering you're getting images in full 3-D. Other than the 3-D feature, there aren't a lot of frills: no image stabilization, no optical zoom, no flash, etc. It makes sense though because that's the only way you're going to get 3-D at this amazingly-low price-point. The camera has a tripod mount so, if you really need supplemental light, you can pick up one of those little LED lights that screw into tripod mounts for not very much money. As for video, it does record in 30 FPS, but if the action is moving quickly, it doesn't look like it. It looks like 10 or 15 FPS (it may still be recording 30 frames per second, but I'd guess 2 or 3 of those frames happen to be identical). I've noticed the reduced frame rate is a bit less pronounced if there is more ambient lighting. FYI: I'm using a Transcend, 16 GB, class 10 SD card. That's probably not as fast as a SanDisk class 10 card, but it should be enough to accommodate everything the camera can throw at it. It may sound like I'm speaking only negatively about this camera, but it's definitely not my intention to discourage the purchase of it. I just want you to be clear on what it *doesn't* do so that you have appropriate expectations. In reality, I'm thrilled with the quality of the camera and it exceeded my expectations.
I've quickly learned a trick to taking 3-D video and photos. It has to do with framing the images; I'll try to explain it here, but it's a little difficult to articulate. If what I'm about to say doesn't make sense, just ignore my ramblings- ha. First, realize that everything in the image has a position along the Z-axis (the direction toward you and away from you [as opposed to left/right and up/down]). Next, realize that the frame around the screen itself has a position along the Z-axis. What this means is, some parts of the photo appear to come "out" of the screen and more distant objects appear recessed "into" the screen. The frame surrounding the display is somewhere in the middle. If the part of the image that extends out of the screen is cut off by the frame surrounding the display, it can hurt your eyes a little and look a bit confusing. This makes sense; how could an object (the frame) block the view of a subject if that object (the frame) is more distant than the subject? That's a logical paradox that my brain translates into confusion and/or eyes that have a hard time focusing. The trick is to not allow anything "in front" of the frame to be cut off by the frame. If you adhere to this, the 3-D effect looks much more natural. I'm sure I'll continue to learn effective ways to frame 3-D images as I become more experienced. In fact, that's part of the fun!
I'll sum everything up here: The camera is really good and the 3-D effect is outstanding. I believe it to be much more than a gimmick/novelty. To keep the price low, the camera sacrifices some other "standard" features you might be used to, such as optical zoom and a flash. For me, the tradeoff is well worth it: I get to take my own, good-quality, 3-D video/images for under 200 bucks. I'm not sure what I'm more impressed with: the technology or the price. I suppose it's the combination of the two that make this a strongly-recommended "buy" in my book.
[UPDATE: October 20, 2010]
As Reynato U. Barrera kindly pointed out in his review, there is indeed a (buried) firmware update and it does indeed fix the slow frame rate! This is great news. I don't believe Amazon will allow external URLs or I would provide a direct link, but if you go to the Aiptek EU site (use ".eu" instead of ".com") you can find the firmware update within the product page. I purchased the camera in the U.S., but because the camera will let you define the refresh rate (60Hz vs. 50Hz), I wasn't worried about using the firmware I downloaded from the EU site.
[/UPDATE]

Click Here to see more reviews about: Aiptek 3D-HD High Definition 3D Camcorder (Black/White)

Aiptek's new 3D-HD camcorder is the most powerful on the market today. Utilizing powerful, dual-HD sensors allows you to capture 3D stills and videos that can be converted with the included software to work with most major brand 3D televisions. The 3D-HD has a built-in 3D LCD for instant playback, or you can connect it to your PC via USB, or to your HDTV via HDMI. It also has the ability to shoot video and capture still photos in standard 2D. Open up a whole new Dimension of video with Aiptek's 3D-HD camcorder.

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Sanyo 2,700 mAh AA NiMH Rechargeable Batteries (4-Pack) Review

Sanyo 2,700 mAh AA NiMH Rechargeable Batteries (4-Pack)
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These are quality batteries w/ 2x's more power and [Longer RUNNING time] than most lower capacity NIMH batteries, including the "ready to use"/ Low self-discharge (LSD) types!
Never thought I would care about writing battery reviews, but the High capacity rechargeables are getting a bad rap from some reviewers b/c they have to be charged (before) use, in order to get back their capacity, after being left (un-used) for more than ~ 3-4wks. Their stored power when [NOT in USE / device turned OFF] is lost faster than batts that keep hold of theirs longer = the LSD types like Imedion 2100 mAh -or- Eneloop 2000 mAh.
-BUT these high capacity batts (2700- 2900 mAh) have an intended purpose, which is a reason the top companies make Both types in the 1st place.
[In Storage]
Yes, the LSDs are useful b/c they have a [Longer STORAGE time] (before needing to be recharged) than the high capacity types. Thus the LSDs are "ready to use" and good for seldom used devices & intermittent usage. However, this doesn't negate the effectiveness of 2700-2900 mAH made by quality brands.
[In Operation]
Not all users (all the time) need a rechargeable for good shelf-life... Some need it for High power & LONG run time for "shorter" segments = 1- 20 days (i.e., photo shoot, day-hike/bike/caving, day at the beach with ur RC (radio-controlled) toys, holiday lighting, etc, etc. And a quality brand (2700-2900 mAh) will do the job.
The decision is [WHEN] do you pick a :(High Capacity/ high self-discharge) -or- (Low Capacity/ Low Self- discharge)...Not picking the universal "better" one. The "best" would be a High capacity & LSD & Rechargeable all in one!- but that's not available yet.
Now, Sanyo's REAL competition is ( Powerex AA 2700mAh NiMH ). They're both good -I would pick 1 over the other, based on sale price or latest technology release.


Click Here to see more reviews about: Sanyo 2,700 mAh AA NiMH Rechargeable Batteries (4-Pack)

Do away with disposable batteries and keep your portable electronicsrunningfor years with this four pack of GE/Sanyo AA rechargeable NiMH batteries. Builtforlong-lasting use, the 2,700 mAh batteries last up to four times longer thanstandardalkaline batteries, making them ideal for digital cameras, audio devices, andother high- drain electronics. More significantly, when they run out of power, you don't havetothrow them away and clutter up the landfill. Simply put them in a charger andrechargethem either fully or partially, depending on your needs. All told, these batteriescan berecharged up to 1,000 times without experiencing a memory effect.

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Technuity ERDVDMAX Battery, Universal Nimh for Portable Review

Technuity ERDVDMAX Battery, Universal Nimh for Portable
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I have one of these units and it lasts me with my jwin portable dvd player about 5-6 hours. As I recall no effective directions for charging came with unit. Directions basically said to charge for a couple of hours. Not really sure how many hours that means. Personally I experimented and found that between 9 to 12 hours results in 5 to 6 hours playtime.

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The Energizer ER-DVD MAX provides extended runtimeextreme portabilityand flexible power options for portable DVD players.This product is designed for the following systems:AudivoxPanasonicRCAMintekSamsungToshibaand many others. Manufacturer: Energizer Model Number: ER-DVD-MAX

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Altec Lansing IM4 Portable Audio System Review

Altec Lansing IM4 Portable Audio System
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A very good audio system, but sounds exactly the same as the previous IM2 which you can have for half the price.
I have been all my life in HI-FI, and honestly believe I can easily distinguish the characteristic sound of any of these kind of systems. Nevertheless, to me, IM2 and IM4 really sound exactly the same. So, before buying an IM4, give a try to IM2s or (if you believe me) just look for IM2s'offers at Amzon or elsewhere (they are still very popular systems).
As said above, you will find IM2s for HALF the price of IM4s.


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Enhanced, Portable Sound For MP3, CD, And Other Portable Audio Players You've got a CD player, an MP3 player, and a portable DVD player, but until now you were the only one listening. Introducing the Altec Lansing inMotion iM4 portable audio system. This tiny, portable, battery-operated stereo system lets you share the sounds at home, at the beach, on the go... where ever. A highly efficient Class D amplifier powers four full-range micro drivers to deliver a full spectrum of pure, distinct sound, while the revolutionary MaxxBass? technology allows listeners to enjoy deep bass without lugging around a subwoofer. Place your small portable audio device on the rubberized base, plug in the retractable audio cable, and fire up your system. It' s great sound that everyone can enjoy.

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Coby TF-DVD7050 7-Inch TFT Portable Tablet-Style Portable DVD Player Review

Coby TF-DVD7050 7-Inch TFT Portable Tablet-Style Portable DVD Player
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Ok. First off, I have to say, I've only owned this for a few days, but I felt I had to write a review. I originally bought a DUAL XDVD-180 a couple of weeks ago. I gave that unit a really good review after only a few days as well, and it turned out to be TOTAL junk (the review has since been deleted). Never, and I mean NEVER, buy that unit. I'd go into detail, but I'd just end up getting mad over it. To make a long, painful story short, I'll just say the thing overheated and froze an hour into any DVD I tried to play.
I'm only reviewing the COBY TF-DVD7050 this early, because I can tell by the build quality, that it is obviously better. I'm glad I returned the faulty DUAL XDVD-180 to Amazon and bought the COBY. I can't even believe I'm saying I'm glad I bought a COBY, since they are usually notorious for producing junk.
This unit offers the best bang for the buck that I have ever seen in a DVD player of this sort. It feels extremely well made (with some metal parts even) and seems very durable. The unit seriously reminds me of a Panasonic Toughbook in some ways, although I doubt it's THAT well built. It is, however, the toughest portable DVD player I've ever felt.

The unit came with a headrest mounting bag. It came with two sets of headphones, and has two headphone jacks on the unit. It plays SVCD, VCD, DVD-R, DVD+R, and J-PEG. It came with a tape player adapter that allows the player to be heard through your car speakers (the unit does have its own speakers though). It also has a picture frame style, retractable stand on the back to hold it up on a table for easier viewing. The big surprise about those particular features is that, they aren't even listed in the product description. Yes, that is correct; those features are in addition to everything listed in the product description.
Everything that is listed in the product description is included, and works extremely well.
I also love how this unit comes with a battery, which makes it handy for flights. The 30 dollar more (and major piece of junk) DUAL XDVD-180 didn't even come with one.
The only possible con I can come up with is that, the LCD screen isn't the sharpest I've seen on a portable DVD player, but it's still really good.
So, unless this thing just stops working all of a sudden, like the DUAL XDVD-180 did, the COBY TF-DVD7050 is the best possible deal ever for a TABLET STYLE portable DVD player.
At a mere 150 dollars, you can't go wrong with it.
I'll update my review on this surprisingly great unit in about a month, but for now it looks like COBY has a big time winner on its hands. Who knew?

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FEATURES:7 Widescreen (16:9) Color TFT Display;Plays DVD/MP3/CD/CD-RW;Built-in Anti-skip Circuitry;Headphone Jack for Private Listening;Compatible with NTSC/PAL System;Multiple Subtitles/Viewing Angles;Convenient On Screen Display.

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Tivax HiRez7 Portable 7-Inch Digital Widescreen TV Review

Tivax HiRez7 Portable 7-Inch Digital Widescreen TV
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Just received my Tivax RiRex7 7 Inch Digital TV from Amazon yesterday, and I am delighted with this purchase!
I was looking for just the right portable digital TV to have on hand during our hurricane season in Florida.
This was the only portable TV that I found that in addition to the rechargable Li-on batteries, also uses regular alkaline batteries. When the electricity goes out, having an alternative to rechargable batteries is a must! With the supplied antenna, and using battery power, I was able to pick up 17 digital channels! The color and picture quality are better than I anticipated. For the many features that this Tivax portable TV offers, it is a great value for the money, and well worth waiting for. The only thing missing is the "docking station" that houses the alternative alkaline batteries. Hopefully, Amazon will be offering this soon!


Click Here to see more reviews about: Tivax HiRez7 Portable 7-Inch Digital Widescreen TV

Tivax HiRez 7-Inch widescreen LCD portable Digital TV has advanced ATSC digital tuner for high performance! Enjoy your favorite television programs anywhere. Take it camping, hiking, use as an emergency TV during hurricanes, etc. Advanced technology is built into this high quality product for unsurpassed value. It can also be used as an external monitor to play video games and watch DVD movies. The optional USB cable connects to other USB devices like U disk or mp3 player to play picture/audio/video, including JPEG, MP3, AVI, MPEG-1/2/44, DIVX format. The built-in card reader (SD/MS/MMC) can play your favorite movies as well as show the pictures from your camera. The Tivax HiRez7 can also work with regular alkaline battteries when used with docking station sold separately, which makes it perfect in all situations. Package includes Magnetic antenna, A/V cables, Remote Control, Instruction manual, Power adapter, Earphones, Car adapter, and Li-ion batteries.

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Technuity ERDVDMAX Battery, Universal Nimh for Portable Review

Technuity ERDVDMAX Battery, Universal Nimh for Portable
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I bought this to use on 3 portable DVD players that my familly uses as well as other electronics(was hoping it would work on a digital camera, radio, and other stuff), BUT, it would not power any of the electronics I tried.
None of the DVD players would power and the Digital Camera would power, but not be usable from to low of a current.
I am sorry, but I am very dissapointed in this device and think they that they need to definitly improve on it to make it compatiably with more stuff!

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Energizer NiMH Portable DVD Player Battery ER-DVD-MAX Batteries

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Sony BCVM50 Portable AC Charger for CCD-TRV 138, 338, DCR-DVD 101, 201, 301 and HDR-HC1 Camcorders Review

Sony BCVM50 Portable AC Charger for CCD-TRV 138, 338, DCR-DVD 101, 201, 301 and HDR-HC1 Camcorders
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We bought this charger long after we had our camcorder. It wasn't until we purchased an extra battery and a camera that works off the same battery that we realized that charging batteries off-camera is a better practise since the camera/camcorder does sometimes get unusually warm after charging. Besides having a battery charge at home/hotel while on the road with a stand-by is a secure feeling. The device itself is very compact and sturdy with color coded LEDs to let you know when charging has completed. It fits easily (including the little power supply box) into a camera/camcorder bag and is a guaranteed travel companion.


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A portable AC charger for Sony NP-FM50, FM70, FM90 & FM91 InfoLithium(R) M Series batteries AC -100-240V, 50/60Hz. Dimensions -W - 1.7 x H - 1.5 x D - 2.9 Weight -2.3oz. 1-year warranty

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Archos 404 30GB Portable Digital Media Player (500868) Review

Archos 404 30GB Portable Digital Media Player (500868)
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This is my perfect portable media player. Great price. Big screen. Fits in your pocket. If you're too cool for an ipod, or run Linux, this player is for you. ;)
Great for Mac, Windows, and Linux because it support standard USB mass storage. Just drag and drop files onto it, no drivers necessary. You can browse MP3s by artist, year, genre, etc. You can also browse MP3s by file name and folder.
MP3s sound great, with seamless/gapless track changing. The bookmark feature is really nice for keeping your place in audio books or long DJ mixes.
The video playback is perfect with all my Dixv and Xvid MPEG4 movies without having to re-encode them. DVD converter software tips: HandBrake for Mac. dvd::rip for Linux. AutoGK for Windows. Happy viewing!

Click Here to see more reviews about: Archos 404 30GB Portable Digital Media Player (500868)

Store up to 85 movies, 300,000 photos or 15,000 songs with the 30GB hard drive. Enjoy high quality video on a 3.5" color screen. Easily navigate menus with touch screen capabilities. Turn your ARCHOS 404 into a DVR: Record TV from a TV, VCR, DVD Player and cable box or satellite reciever on your ARCHOS with the optional DVR Station

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