[NSRCA-dist8] Battery checkers

[Rex]

I use a Fluke digital voltmeter.  Can't get much more accurate than that.  I don't check voltage after the flight.


Sent from my Verizon Wireless 4G LTE smartphone

-------- Original message --------
From: Patrick Harris via NSRCA-dist8 <nsrca-dist8 at lists.nsrca.org>
Date: 07/31/2015  1:23 PM  (GMT-08:00)
To: Karl Watts <karlwatt at sarmc.org>
Cc: "AK, ID, MT, OR, WA, WY" <nsrca-dist8 at lists.nsrca.org>
Subject: Re: [NSRCA-dist8] Battery checkers

Karl,

Everyone of the guys I fly with use this meter. Very reliable and
inexpensive.

http://media.hyperion.hk/dn/sentry/



On Fri, Jul 31, 2015 at 12:11 PM, Karl Watts <karlwatt at sarmc.org> wrote:

>
>
> Do any of you guys or gals use battery checkers?  Are they reliable?  I
> have one that I use to check my batteries before and after I fly.  For my
> flight packs – 2 5000 mAh packs it consistently reads 97-99% and after
> flying 14-33%.  My confusion is when I take a pack that say reads 14% after
> flying and charge it I am only putting in about 3000 mAh.  Seems to me the
> battery checker should show 40% not 14%, I used 3000 mAh which is 60% of
> the pack.  Should I discard the battery checker?
>
>
>
> Karl
>
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