Creeky
Information for you.! You can discharge while the pack is -25 Deg C. but don't ever charge until the batteries are above 0 Deg. C . Metallic plating of the anode happens only while charging below zero. Discharging is fine at sub-zero temps.
While the pack is discharging the cells will produce a little bit of heat. Albeit with reduced capacity.
Enlist the services of the arduino to warm the space before any effort is made to charge. The batteries should last a long long time.
FYI with a little shopping and negotiating I got mine for a little less.
Randen
Last edited by randen; 12-03-16 at 06:42 PM..
Reason: grammer
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