Depends upon the lipos temperature at the beginning of charge. If you place it on the charger right after a flight when it’s warm, it will cool down as it charges. If it’s cool when you place it on the charger, it might warm very slightly depending upon the charge rate.
Mike
From: Keith Hoard via NSRCA-discussion
Sent: Friday, October 09, 2015 7:30 PM
To: Ed Alt
Cc: General pattern discussion
Subject: Re: [NSRCA-discussion] LiPo Fun Fact 'O The Day
Nope. If you had another guess?
Sent from my iPad
On Oct 9, 2015, at 20:09, Ed Alt <ed_alt at hotmail.com> wrote:
They do warm up when charging, even at low rates. It's the physics behind Ohms law that governs some of that. It may not be very noticeable, but it is happening nonetheless.
On Oct 9, 2015, at 8:03 PM, Phil Spelt via NSRCA-discussion <nsrca-discussion at lists.nsrca.org> wrote:
I would say "C" below: I have never had a lipo pack get warm during charging. That's because i always charge somewhere between 1.8-2.0 C. For my electric planes I buy enough batteries so I do not have to hurry-charge in order to get back into the air. I charge the lipos in my starter & glow igniter at home in the shop when I have plenty of time. Now, in the interest of full disclosure, I do not use $150.00 battery packs, and none of my electric planes are for pattern.
Phil Spelt, KCRC Emeritus, Secretary
AMA 1294, Scientific Leader Member
SPA L-18, Board Member
(865) 435-1476v (865) 604-0541c
----------------------------------------------------------------------------
During charging, a LiPo battery becomes:
A) Warmer
B) Colder
C) None of the above
D) All of the above
--Keith Hoard
--klhoard at outlook.com
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