Publication date: 2018-04-24 19:27
To measure battery electrolytes, simply extract a sample in your suction tube and press the “START” button - it’s that easy! The temperature-compensated specific gravity is displayed on the screen. The user can select between the specific gravity reading and temperature reading by pressing the “SELECT” button. Measurement results are displayed in just three seconds. The SG-6555 is built for Fahrenheit or Celsius readings, depending on the selected model. The SG-6555 Battery Digital Hydrometer is the most economic way to test battery electrolyte accurately and efficiently.
"Digital led Ni-Cd Li-Ion Pb Ni-Mh Battey Capacity Tester & Discharge Instrument"
The prices are fine but I question the accuracy/quality and if they are actually the best/only available.
The Amprobe is small and lightweight as well as dependable. Just be sure the gauge has been calibrated correctly or you'll get inaccurate readings. The tester uses a slide contact that is nearly identical to the Tekton's and poses some of the same drawbacks as well. Contacts at the end of the device allow for 9-Volt testing while the slide contact can test AA, AAA, C, D and some button cells. The gauge is simple with one color-coded bar graph and needle that are both easy to read and understand. Bottom line, this is a good basic battery tester when all you need is to check out some of those loose batteries in the catch-all drawer of your kitchen or garage.
I will be building one of these today so I can test the 65 batteries I have around here.
GREAT work, keep it up.
My thanks to you.
The latest software update (EL-55868-95) for the EL-55868 Midtronics GR8 Battery Tester/Charger is now available for download. The software should be accessed through GM GlobalConnect from the Service Workbench selection of “Special Tools & Software Updates.”
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I've seen plenty of capacity "indicators" that give a guesstimate but not much in the way of ones that discharge with a load to determine actual capacity and none that will give you a ones I found are on ebay for $ and $ respectively and called:
68655 is the most common size for what are referred to as "mods" which are not the fake cigarette types. Other common sizes are 68855, 68555, and my peraonaly pref the 76655. I saw this build some time ago and recently came over to start compiling parts to build one myself.
Introduction to Battery Testing
An introduction to Battery Condition testing for E-Bike and scooter applications.