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  • GE MAC 5500 Resting ECG System Battery

    MAC 5500 Resting ECG System Battery from Batteryheads.com image courtesy of GE Healthcare.com

    The innovative MAC 5500 Resting ECG System is a premier ECG system from GE Healthcare. Recording the electrical activity of the heart over a period of time, the MAC 5500 can be powered by AC power and a user replaceable battery available from Batteryheads.com.

    The rechargeable NiMH battery is a 18V, 3.5Ah battery with a typical capacity for 100 single page reports or 6 hrs. continuous display without printing.  Typical charge time is approximately 4.5 hours from total discharge with the display off.

    GE - Marquette Medical Systems MAC 5000, MAC 5500, MAC 5500 HD, MAC PAC, MAC Stress Battery Continue reading
  • Canon PowerShot S110 Review

    Canon PowerShot S110 image courtesy of Canon.com

    Canon PowerShot S110 users say it is an easily portable camera when you don't want to carry your heavy DSLR.  At under $400, the PowerShot S110 has a 12.1 Megapixel CMOS sensor with a 5X zoom.  While small and easy to use, it is full of state of the art features including a wifi feature to upload photos right to your phone or computer.

    It takes great pictures in low light and is an excellent choice for someone who wants a high quality compact camera instead of just using a cell phone camera.  Lightweight and small, it will fit easily in a pocket or purse.  With a dedicated movie button, the PowerShot S110 will take beautiful 1080p full HD video.  Many users indicate that they use the video feature to make videos for their YouTube channels.

    Canon PowerShot S110 Battery

    The Canon PowerShot S110 and the Canon PowerShot S100 require the NB-5L rechargeable lithium-ion battery pack.  The NB-5L battery is easily rechargeable with a travel battery charger or desktop battery charger from Batteryheads.com.  It is also suggested that you have an extra battery and a charger, as the battery life has not been a strong point with the S110 or the S100. Continue reading

  • Best Laptops for College Freshmen

    Best laptops for college freshmenWith high school graduation just around the corner, many parents are thinking ahead to what their child may need to begin college this fall.  Laptop computers are a popular graduation gift that the child can use when they begin college in the fall.  But, which are the best laptops for college freshmen?

    We've rounded up suggestions and reviews from some of the top review sites.

    How to choose the best laptop for your college freshman

    Laptopmag (a division of Tom's Guide) has excellent advice in Laptop Buying Guide: 8 Essential Tips.  They outline several steps, including selecting a platform, choosing the right size and physical configuration, branding, specs, and battery life.  In an additional article, Laptop Buying Tips for Students, they suggest looking for a battery that will power your laptop for at least 6 hours.  You may also enjoy reading Extending the Life of your Laptop Battery.

    Best Laptops for College Freshmen: Reviews

    10 Best Laptops for Students 2016 from Techradar includes several models and brands starting at under $300.

    PCMag discusses the pros and cons of Chromebooks, as well as machines for gaming (not exactly what you may expect of your college freshman), hybrid laptops, and mainstream laptop models.  Their article, The 10 Best Laptops of 2016, is worth checking out.

    Finally, Laptopmag.com has another great article entitled, Best College Laptops 2016.  Their overall suggestion for the best laptop for college is the Apple MacBook Air 13-inch.  They also offer their recommendations for the best laptops for science students, computer science students, and business students; as well as engineering and art/design students.

    What About Refurbished Laptops?

    If you choose to purchase a refurbished laptop, be sure to replace the battery with a new one for the best performance.  PCAdvisor offers good advice with Should I Purchase a Refurbished Laptop?.  Consumer Reports also offers tips in Should You Buy Refurbished Electronics?

    With so many laptop options available, it pays to do your homework.  This suggestion applies when purchasing your college student a laptop as well as being good advice for your college freshman!

  • Welch Allyn 4200 Spot Vital Signs Replacement Battery

    Welch Allyn 4200 Spot Vital Signs Monitor

    The Welch Allyn 4200 Spot Vital Signs monitor is powered by a sealed lead-acid (SLA) 6.0 volt, 4.5 amp-hour battery.  The battery supplies all power to the device.  An external power supply charges the battery and can operate the Spot Vital Signs at the same time.  This internal battery should be replaced after heavy use or when the battery no longer charges.

    A fully charged battery supports 130 typical blood pressure determinations taken at 7-minute intervals. The battery is 90-100% charged after 12 hours of charging. The battery will automatically charge when the Spot Vital Signs is powered through AC power. The battery charges faster when the instrument is not in operation.

    Replacement battery for Welch Allyn 4200 Spot Vital Signs monitor from Batteryheads.comBatteryheads.com offers a replacement battery for the Welch Allyn 4200 Spot Vital Signs monitor (OEM part number 4200-84).  This battery (part number LIF11277) is designed and manufactured to meet or exceed the quality and performance of the battery provided by the medical device manufacturer.  Each battery will be manufactured at the time of your order to ensure a fresh battery for your valuable equipment.  Special order batteries usually ship within 3-5 business days. Continue reading

  • April Photo A Day: Free Printable

    Photo A Day Inspiration Sheets

    Challenging yourself to take a photo a day can be a big venture, but it can also have big rewards.  Being able to look back at any day of your month (or your year) and recall who you met and what you did can be a fun adventure.  Photo a Day challenges help you document your family, your pets, your haircuts, and your travels.  It will make you a better photographer as you use your camera each day.  You will begin to notice lighting, backgrounds, and shot composition.  As you are forced to come up with a photo each day you will expand your creativity.

    Ready for another month of photo inspiration? Download our April Photo A Day sheet and enjoy the spring.

    April Photo A Day Challenge Sheet from Batteryheads.com

    Download the PDF: April Photo A Day Free Printable

    March Photo A Day Free Printable

    February Photo A Day Free Printable

    January Photo A Day Free Printable

  • Nikon D3200 Review

    Nikon D3200: A simple, starter camera

    Nikon D3200 Image courtesy of Nikon.com

    For those looking to move from a basic point-and-shoot or a cell phone camera, the Nikon D3200 is a basic, simple DSLR camera.  The D3200 offers six automatic "scene" modes on the mode dial.  For more options, the Guide mode, can offer more step-by-step camera settings for beginners.  The D3200 has been called a great "learning" camera. Continue reading

  • Spacelabs PC Scout Monitor Replacement Battery

    Spacelabs PC Scout Monitor

    The Spacelabs PC Scout Monitor is a lightweight, battery-powered or line-powered monitor. It is fully compatible and used in either bedside operation or in patient transport.  The PC Scout displays vital signs. The monitors have a touch screen user interface for ease of information access.  Information on the hybrid hardwired and wireless network can be remotely accessed via computer and modem by tapping into Spacelabs' PCIS Physician Workstation system.

    Replacement Battery for Spacelabs PC Scout Monitor

    Spacelabs PC Scout Monitor replacement battery from Batteryheads.comThe Scout Monitor requires 2 NiMH (nickel-metal hydride) batteries per unit.  Batteryheads offers a new, quality replacement battery for OEM part number 146-0055-00.  The battery (our part number LIF11386) has an output voltage of 12.0V and a rated capacity of 2.45Ah.  It is fully compatible with the Spacelabs PC Scout Monitor.  Your battery will be manufactured at the time you place your order, ensuring a fresh battery for your medical equipment.  Batteries usually ship within 3-5 business days.

    Spacelabs PC Scout Monitor from Batteryheads.com

    Spacelabs Healthcare in Space

    According to the Spacelabs Healthcare website, Spacelabs was founded in 1958 by two scientists, Ben Ettelson and James A Reeves.  The company developed cardiac monitoring and telemetry systems for NASA.  These systems were used to monitor astronauts’ vital signs in the early Gemini and the following Apollo space missions.

    During the 1960s, Spacelabs continued its relationship with NASA culminating in Neil Armstrong wearing Spacelabs medical telemetry for the first moon landing in 1969.  Read more about Spacelabs' involvement with NASA.

    Today, the company produces a series of patient-care monitoring systems that provide clinicians with easy, immediate access to patient information across an entire organization.

  • Free Online Photography Classes

    Looking to improve your photography skills?  Here are just a few sources for free online photography classes.Free online photography classes. List of sites from Batteryheads.com

    • Petapixel.com has compiled a list of the best free online photography courses and tutorials. Their list includes information on course skill level, class duration, and availability.  They share links to classes for Beginners, courses on Post-Production and Specific Techniques, as well as Photography as Art.
    • Creativelive.com offers workshops on photography as well as a host of other topics.  They do have some free featured fundamental courses available.  While not all of their courses are available for free, they do have weekly "free to watch this week" offerings as well as free fundamental videos.
    • Photographycourse.net offers both free and paid online courses.  Some of their free courses include Photography for Beginners, Photo Composition, Camera Settings, and Photo Editing.
    • Karl Taylor's Free Photography Course is a experienced professional photographer who also offers paid courses. His free course offers online videos as well as downloadable PDF fact sheets.
    • The Academy of Photography offers a wide-range of photography courses through their YouTube channel, including Basics of Photography for Beginners.
    Continue reading
  • Winning Cameras at World Press Photo 2016

    World Press Photo announced the winners of its 2016 contest on February 18, 2016.  Photojournalism's biggest prize honors the best news photos captured in 2015.Canon EOS 5D Mark III winner at World Press Photo 2016

    This form of journalism uses images alone to tell a news story.  In a world where a picture is said to be worth 1,000 words, the unbiased photograph can capture the essence of the news story.  The best photojournalists are able to convey the truth of a news report through a single, powerful photograph.

    Ranging from issues, to stories, to daily life, nature, sports, and news, the World Press Photo awards honor the photojournalists and the power of photography. Continue reading

  • 3 Pillars of Photography: Shutter Speed

    What is Shutter Speed?

    In photography, shutter speed or exposure time is the length of time when the film or digital sensor inside the camera is exposed to light.  When a camera's shutter is open when taking a photograph, the amount of light that reaches the film or image sensor is proportional to the exposure time.  In short, shutter speed is the length of time that your image sensor ‘sees’ the scene you’re attempting to capture.  Shutter speed can create dramatic effects by either freezing action or blurring motion.Shutter speed explained Continue reading

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