Itinerant1 wrote:
StirCrazy wrote:
3 tons wrote:
Stircrazy said, “if the battery comes with it and it actavates it totaly kills the battery.”…How so??
A quick check over at LifeBlue dispels this notion:
http://www.lifebluebattery.com/rv-boat-low-temperature-lithium-ion-batteries/100ah-d-lt-lithium-battery.html
Same thing at Renogy:
https://www.renogy.com/12v-200ah-lithium-iron-phosphate-battery-w-bluetooth/
3 tons
doesn't dispell it at all. they are just heating the battery befor it ever gets to 0 degrees. what I was talking about was just cutting off charge sources at around 0 (sorry 32 for you guys) and allowing the battery to still be used untill say -20C (not sure what that is in F this early -17 or somthing like that) just running a load like a furnace at that temp should be enought to keep the internal temp of the battery above 0c which would allow charging again.
Steve
There are dropin batteries out there that allow what I think you're asking, once below 0c/ 32f or what ever the assemblers call low temp charging cutoff BUT STILL ALLOW THE USE OF THE BATTERY TILL THE NEXT LOW TEMP DISCONNECT.
This is Battleborn's...
Battle Born Batteries protect themselves from charging in cold temperatures and won’t accept a charge once the internal cell temperature drops to 24°F. At this point they will continue to discharge even down to -4°F. At this temperature we recommend no longer pulling power to avoid damaging the batteries.
Lifeblue batteries allow the same.
Even my Elite GBS Batteries do the same. If any cell drops below 32f it will cut off charging but still allow the discharge use of the battery pack.
Exactly, my consternation was over the statement “totally kills the battery” when this is NOT a LFP reality - the battery WILL continue to furnish power…
3 tons
