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I don't yet know how long it will last, because its still going strong. It is reporting in every 15 minutes, continueously for the past 17 days. I gave the new 3400mA battery a full charge before turning it on and its still reporting a very respectable 4.080v - which I know is accurate, because I checked the voltage calibration against my own 4 digit meter after I had built it. It still has a long way to go yet, because my dry dummy run suggests it will continue to work until around 2.5v.

I did try setting a couple of events to send SMS messages, but they didn't work - no SMS received.

[ATTACH=full]27685[/ATTACH]
Above is my SG graph, up to today. It rises up from the initial 1.080 it started at, then began the steady drop in SG to flat line 4th/5th June. The sudden, dramatic dips in the SG, are where I gave the FV a good shake up. 5th June on is where the Ispindel is just laid down out of the FV. The sharp steps in the graph are where it's been moved.13th June I put it in a jug of tap water, to recheck the calibration. It settled today at a precise 1.000

<blockquote data-quote="Harry Bloomfield" data-source="post: 918440" data-attributes="member: 24361">I don&#039;t yet know how long it will last, because its still going strong. It is reporting in every 15 minutes, continueously for the past 17 days. I gave the new 3400mA battery a full charge before turning it on and its still reporting a very respectable 4.080v - which I know is accurate, because I checked the voltage calibration against my own 4 digit meter after I had built it. It still has a long way to go yet, because my dry dummy run suggests it will continue to work until around 2.5v.I did try setting a couple of events to send SMS messages, but they didn&#039;t work - no SMS received.[ATTACH=full]27685[/ATTACH]Above is my SG graph, up to today. It rises up from the initial 1.080 it started at, then began the steady drop in SG to flat line 4th/5th June. The sudden, dramatic dips in the SG, are where I gave the FV a good shake up. 5th June on is where the Ispindel is just laid down out of the FV. The sharp steps in the graph are where it&#039;s been moved.13th June I put it in a jug of tap water, to recheck the calibration. It settled today at a precise 1.000</blockquote>

[QUOTE="Harry Bloomfield, post: 918440, member: 24361"] I don't yet know how long it will last, because its still going strong. It is reporting in every 15 minutes, continueously for the past 17 days. I gave the new 3400mA battery a full charge before turning it on and its still reporting a very respectable 4.080v - which I know is accurate, because I checked the voltage calibration against my own 4 digit meter after I had built it. It still has a long way to go yet, because my dry dummy run suggests it will continue to work until around 2.5v. I did try setting a couple of events to send SMS messages, but they didn't work - no SMS received. [ATTACH type="full"]27685[/ATTACH] Above is my SG graph, up to today. It rises up from the initial 1.080 it started at, then began the steady drop in SG to flat line 4th/5th June. The sudden, dramatic dips in the SG, are where I gave the FV a good shake up. 5th June on is where the Ispindel is just laid down out of the FV. The sharp steps in the graph are where it's been moved.13th June I put it in a jug of tap water, to recheck the calibration. It settled today at a precise 1.000 [/QUOTE]

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