keep your batteries warm in the cold

Shell Shock · January 17th, 2011, 14:25

please forgive me if this has been posted, but i had an idea for winter games.

we all know that the cold saps batteries like spies to a sentry (heh heh). ive tried many options from wrapping the stock of my guns in thick fabric to hot packs...

what if the battery was not exposed to the cold?

my idea is to have a extended cable connecting the battery (which would be located around my body core) to the gun?

using simple electronics theory i took into account resistance of the cable, but in my opinion the loss in power due to resistance is microscopic compared to the loss in power from the cold.

tonight i plan to have a pull mock up done and pics to follow.

what is your thoughts? i included a paint mock up to show what i mean.

ANTICITIZEN · January 17th, 2011, 14:51

This is a pretty smart idea my friend was just thinking of an idea like that, just to have the battery in your bdu and have the wire running out into the gun. What i do is just wrap a cloth around the battery and stick it in the stock and i guess if your playing in colder weather you can just put a hot pack in with the battery to. works for me =)

Shell Shock · January 17th, 2011, 14:59

*tips hat* thankyou my friend. yah, i thought of it because when it comes to batteries, p90s cant store large ones, therefor they drain fast. so this ought to let me use bigger batteries as well ^_^

DarkAngel · January 17th, 2011, 15:14

I have a few concerns.
1) if you drop the gun, you trip or fall etc, you could yank out the wiring in your gun by accident, damaging the contacts and switch assembly in your gearbox.
2) your tethered to the gun
3) If your battery gets a short, you cannot ditch your battery/gun in the case that it catches fire or starts to combust. For example, if suddenly your battery starts to combust, you would have to rip off your gloves, rip off your jacket, all while panicing due to your body being on fire.
4) This is doubly so for lipo setups.

My suggestion is to stick with hot packs or something else. Ive seen enough batteries go up on the field to know that while the chances are fairly remote, the chances arnt THAT miniscule.

As for your P90 battery size issue, either do the JBatt mod, buttstock extender, or simply go lipo.

Shell Shock · January 17th, 2011, 16:20

oh, no, i will still have the battery connector connecting the gun and battery cable in case of shorts. the thing stopping me from said suggestions is money and time. im broke and game is in a week. but all in all you raise a good point

coach · January 17th, 2011, 16:34

^^ no, once the battery shorts, the battery is going to get hot fast! even though you have disconnected the gun, the battery will still be hot and could get hotter. if you fall and the wires get yanked from the battery side, how are you going to ensure that the wires won't short?

much better way would be to make an insulated neoprene battery bag and throw in a hot shot or two.

Shell Shock · January 17th, 2011, 16:41

hm, yah, i see your point. just to play devils advocate, im an extremely good electrician (i was born with a soldering iron). lol XP though still, i see your point. and yah, i dont want to go to a burn ward

ViR · January 17th, 2011, 16:50

How good is LiPo in the cold vs Nicad or NiMH?

DarkAngel · January 17th, 2011, 16:55

Yup, Chemical combustion is pretty hard to stop, sometimes removing the current will not stop the reaction process once it has started.

Tether the battery to the outside of the gun if you dont have space for a hot pack inside the gun. That way you can always throw the gun away should it start to combust and there is little to no risk to your wiring and switch assembly should the wiring get yanked (assuming you tape the wire down to the gun stock etc rather than let it float about freely)

Shell Shock · January 17th, 2011, 17:12

Quote:

Originally Posted by ViR

How good is LiPo in the cold vs Nicad or NiMH?

better

Quote:

Originally Posted by DarkAngel

Yup, Chemical combustion is pretty hard to stop, sometimes removing the current will not stop the reaction process once it has started.

Tether the battery to the outside of the gun if you dont have space for a hot pack inside the gun. That way you can always throw the gun away should it start to combust and there is little to no risk to your wiring and switch assembly should the wiring get yanked (assuming you tape the wire down to the gun stock etc rather than let it float about freely)

true true, liek the neo-prene idea

5kull · January 17th, 2011, 18:17

Played a few times under zero, up to - 8C the battery will last. Under that I would be worried about the gearbox failing. If you want to play anyway, you can buy a stock pouch that strap to your gun stock to hold the battery and you can add hand warmers to keep it warm. GBBR guy's put these inside their mag pouch to keep them warm on cold days.

Hand warmers:
http://www.canadiantire.ca/AST/brows....jsp?locale=en

stock pouch:
http://www.airsoftgi.com/product_inf...oducts_id=6384

Danke · January 17th, 2011, 18:20

I bet this would fit in a P90

http://www.airsoftparts.ca/store2/in...oducts_id=1259

Ok, it's sucker bet.

ThunderCactus · January 17th, 2011, 19:50

User springers in winter

Scouser · January 17th, 2011, 20:07

hrm okay how about run a length of wire with deans connectors on both ends, one into the gun one to the battery, rather than keeping the battery inside your bdus, keep it in a small mag pouch on your vest. get a length of tubing like from an old camel back to give the wire itself a little more insulation from the cold.

keep the battery wrapped up in the mag pouch, kept centered by wadded cloth, with a couple of heat packs between the outer layer of the cloth and the inner wall of the bdu pouch. run the wire, paralel to say a sling? a 1pt sling would be best, so you can have the mag pouch high and just a bit centered on your chest, without getting in the way of shouldering your weapon.

battery stays warm, but rather than having to be inside your bdus its in an easy access pouch so you can pull it out and get rid of it if it starts shorting

might be too much of a pain but meh its an idea, likely a bit safer at least than what shellshock intended

Grrxmaster · January 17th, 2011, 20:24

I just came up with this one off the top of my head, so don't flame me too bad if it's completely foolish but for those who cannot fit warmers in their stocks, and assuming the battery goes into the stock, could warmers be attached to the outside?

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January 17th, 2011, 14:51	#2
ANTICITIZEN Trader rating Join Date: Jul 2010 Location: Kamloops ,BC	batteries This is a pretty smart idea my friend was just thinking of an idea like that, just to have the battery in your bdu and have the wire running out into the gun. What i do is just wrap a cloth around the battery and stick it in the stock and i guess if your playing in colder weather you can just put a hot pack in with the battery to. works for me =)

January 17th, 2011, 14:59	#3
Shell Shock Trader rating Join Date: Oct 2010 Location: eastern outpost f3,j9 (mississauga, on)	tips hat thankyou my friend. yah, i thought of it because when it comes to batteries, p90s cant store large ones, therefor they drain fast. so this ought to let me use bigger batteries as well ^_^ __________________ 2-Bit Photographer

January 17th, 2011, 15:14	#4
DarkAngel * Age Verifier status suspended * Trader rating Join Date: Jun 2006 Location: Scarborough	I have a few concerns. 1) if you drop the gun, you trip or fall etc, you could yank out the wiring in your gun by accident, damaging the contacts and switch assembly in your gearbox. 2) your tethered to the gun 3) If your battery gets a short, you cannot ditch your battery/gun in the case that it catches fire or starts to combust. For example, if suddenly your battery starts to combust, you would have to rip off your gloves, rip off your jacket, all while panicing due to your body being on fire. 4) This is doubly so for lipo setups. My suggestion is to stick with hot packs or something else. Ive seen enough batteries go up on the field to know that while the chances are fairly remote, the chances arnt THAT miniscule. As for your P90 battery size issue, either do the JBatt mod, buttstock extender, or simply go lipo. __________________ Certified Sniper Clinic Instructor and Counter Sniper Sentinel Arms Customs - Specializing In Unique, One of a kind guns

January 17th, 2011, 16:20	#5
Shell Shock Trader rating Join Date: Oct 2010 Location: eastern outpost f3,j9 (mississauga, on)	oh, no, i will still have the battery connector connecting the gun and battery cable in case of shorts. the thing stopping me from said suggestions is money and time. im broke and game is in a week. but all in all you raise a good point __________________ 2-Bit Photographer

January 17th, 2011, 16:34	#6
coach aka coachster Trader rating Join Date: Mar 2008 Location: T dot	^^ no, once the battery shorts, the battery is going to get hot fast! even though you have disconnected the gun, the battery will still be hot and could get hotter. if you fall and the wires get yanked from the battery side, how are you going to ensure that the wires won't short? much better way would be to make an insulated neoprene battery bag and throw in a hot shot or two.

January 17th, 2011, 16:41	#7
Shell Shock Trader rating Join Date: Oct 2010 Location: eastern outpost f3,j9 (mississauga, on)	hm, yah, i see your point. just to play devils advocate, im an extremely good electrician (i was born with a soldering iron). lol XP though still, i see your point. and yah, i dont want to go to a burn ward __________________ 2-Bit Photographer

January 17th, 2011, 16:50	#8
ViR Trader rating Join Date: Mar 2005 Location: Milton	How good is LiPo in the cold vs Nicad or NiMH?

January 17th, 2011, 16:55	#9
DarkAngel * Age Verifier status suspended * Trader rating Join Date: Jun 2006 Location: Scarborough	Yup, Chemical combustion is pretty hard to stop, sometimes removing the current will not stop the reaction process once it has started. Tether the battery to the outside of the gun if you dont have space for a hot pack inside the gun. That way you can always throw the gun away should it start to combust and there is little to no risk to your wiring and switch assembly should the wiring get yanked (assuming you tape the wire down to the gun stock etc rather than let it float about freely) __________________ Certified Sniper Clinic Instructor and Counter Sniper Sentinel Arms Customs - Specializing In Unique, One of a kind guns

January 17th, 2011, 18:17	#11
5kull Trader rating Join Date: Jun 2009	Played a few times under zero, up to - 8C the battery will last. Under that I would be worried about the gearbox failing. If you want to play anyway, you can buy a stock pouch that strap to your gun stock to hold the battery and you can add hand warmers to keep it warm. GBBR guy's put these inside their mag pouch to keep them warm on cold days. Hand warmers: http://www.canadiantire.ca/AST/brows....jsp?locale=en stock pouch: http://www.airsoftgi.com/product_inf...oducts_id=6384

January 17th, 2011, 18:20	#12
Danke Prancercise Guru Trader rating Join Date: Oct 2007 Location: Danger Zone	I bet this would fit in a P90 http://www.airsoftparts.ca/store2/in...oducts_id=1259 Ok, it's sucker bet. __________________ Airsoft, where nothing is hurt but feelings.

January 17th, 2011, 19:50	#13
ThunderCactus Not Eye Safe, Pretty Boy Maximus on the field take his picture! Trader rating Join Date: Feb 2007	User springers in winter

January 17th, 2011, 20:07	#14
Scouser Trader rating Join Date: Apr 2009 Location: Winnipeg	hrm okay how about run a length of wire with deans connectors on both ends, one into the gun one to the battery, rather than keeping the battery inside your bdus, keep it in a small mag pouch on your vest. get a length of tubing like from an old camel back to give the wire itself a little more insulation from the cold. keep the battery wrapped up in the mag pouch, kept centered by wadded cloth, with a couple of heat packs between the outer layer of the cloth and the inner wall of the bdu pouch. run the wire, paralel to say a sling? a 1pt sling would be best, so you can have the mag pouch high and just a bit centered on your chest, without getting in the way of shouldering your weapon. battery stays warm, but rather than having to be inside your bdus its in an easy access pouch so you can pull it out and get rid of it if it starts shorting might be too much of a pain but meh its an idea, likely a bit safer at least than what shellshock intended __________________

January 17th, 2011, 20:24	#15
Grrxmaster Trader rating Join Date: Dec 2010 Location: P.E.I.	I just came up with this one off the top of my head, so don't flame me too bad if it's completely foolish but for those who cannot fit warmers in their stocks, and assuming the battery goes into the stock, could warmers be attached to the outside?

keep your batteries warm in the cold

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