Hello Bruce,
My battery compartment is insulated to about 15 R Factor. The battery box is made out of 1/4 inch fiberglass that is insulated with 1/4 inch foam pad that is use for vinyl tops. Glue on with foam glue covering the entire box plus the top hinge cover. Also the pickup bed is also cover with this foam pad. The entire bed and box is cover with a foam back marine carpet that is light resistance. Addition three layers of foam is below the battery box and cover with the marine carpet. This allows the battery box to slide in very easy. Do not have to add any heating to the batteries. I do heat the cab by using both a 7kw inverter that is power by a rotating inverter-alternator that is use in ambulances for providing both 13.5-16 volts DC and 110 VDC. The 110 VDC is then inverted to 120 VAC 60 cycle at 5kw. There is a transfer switch on the dash that either selects the on board 120 VAC while the EV is running or from commercial power that comes from the same power cable that charges the battery. This commercial power comes on about 30 minutes before I leave with the EV. This heats the passenger compartment to 80 degrees. Most of the time, I do not have to use the on board heating system for the first 5 miles of driving. There are two types of heating devices. One is made by a 30 inch long by 3 inch diameter copper pipe that has a 1000 watt water heater element screw into it. I had a radiator shop solder a fill cap into it. and two outlets that connects to a water pump that circulates to the existing heater core. This is normally use for defrosting the windshield. This heater system also uses a pressure cap and expansion tank like ICE uses. Roland ________________________________ From: EV <[email protected]> on behalf of brucedp5 via EV <[email protected]> Sent: Tuesday, January 3, 2017 12:38 AM To: [email protected] Subject: [EVDL] Keeping Ken warm : Whats a good for heating batteries? [ref http://electric-vehicle-discussion-list.413529.n4.nabble.com/Regen-on-AC-Inverter-tp4685222p4685231.html Electric Vehicle Discussion List - Regen on AC Inverter<http://electric-vehicle-discussion-list.413529.n4.nabble.com/Regen-on-AC-Inverter-tp4685222p4685231.html> electric-vehicle-discussion-list.413529.n4.nabble.com Regen on AC Inverter. In order to accomplish regen with an AC inverter on an all electric vehicle are the IGBTs modulated or is a buck boost circuit added to the inverter? -------------- next part... battery heating pads https://www.mail-archive.com/[email protected]/msg19156.html I found a-whole-lotta-links (below) but I think you ought to tell us more, like what chemistry you are heating, what size cells, what EV is it in, why you need it: -want warm pack before you drive out of the garage -want to warm the park an hour before you leave work where there is not source of power -need emergency pack heat on extremely cold days (goose pack for mo' juice) +more(?) In the links below people have products out there for you to throw your money at. Everything from a $370 ice heater (likely 120VAC power from a garage outlet), to gate opener battery warmers, cheapo 5-12V smallish heating pads, chemical reaction Toe Warmers (good for emergency use), electric blankets, +more: https://www.google.com/shopping/product/2879605421001370122?q=battery%20heating https://www.walmart.com/ip/Car-Heaters-Kats-Battery-Wrap-36-80w/124697637 [https://i5.walmartimages.com/asr/eb11e5b5-b8b1-4097-a313-2c7b4271488b_1.91c7256025d9bd7394cc224a55343915.jpeg?odnHeight=450&odnWidth=450&odnBg=FFFFFF]<https://www.walmart.com/ip/Car-Heaters-Kats-Battery-Wrap-36-80w/124697637> Kat's 22200 80 Watt 36' Battery Thermal Wrap - Walmart.com<https://www.walmart.com/ip/Car-Heaters-Kats-Battery-Wrap-36-80w/124697637> www.walmart.com Buy Kat's 22200 80 Watt 36' Battery Thermal Wrap at Walmart.com https://www.google.com/search?hs=cGg&sa=X&biw=1024&bih=642&tbm=shop&q=battery+operated+heating+pad&tbs=vw:l,p_ord:p&tbm=shop https://www.google.com/shopping/product/77568473241754942 https://www.google.com/search?q=battery+powered+heating+pad&tbs=vw:l,p_ord:p&tbm=shop&start=40 https://www.google.com/shopping/product/14235978067524791527?q=battery+powered+heating+pad https://www.google.com/search?hs=cGg&sa=X&biw=1024&bih=642&tbm=shop&q=battery+operated+heating+blanket https://www.google.com/search?hs=cGg&sa=X&biw=1024&bih=642&tbm=shop&q=battery+operated+electric+blanket With all these choices, it would be better to know what you got, what yer doing, and why. For EVLN EV-newswire posts use: http://evdl.org/evln/ EVDL EV News Archive - Electric Vehicle Discussion List<http://evdl.org/evln/> evdl.org EVLN - EV News Archive Edited by Bruce {EVangel} Parmenter: EVLN: home | help | archive | news | privacy policy | terms of service {brucedp.neocities.org} -- View this message in context: http://electric-vehicle-discussion-list.413529.n4.nabble.com/Keeping-Ken-warm-Whats-a-good-for-heating-batteries-tp4685232.html Electric Vehicle Discussion List - Keeping Ken warm : What's good for heating batteries?<http://electric-vehicle-discussion-list.413529.n4.nabble.com/Keeping-Ken-warm-Whats-a-good-for-heating-batteries-tp4685232.html> electric-vehicle-discussion-list.413529.n4.nabble.com Keeping Ken warm : What's good for heating batteries?. [ref http://electric-vehicle-discussion-list.413529.n4.nabble.com/Regen-on-AC-Inverter-tp4685222p4685231.html battery heating... 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Read EVAngel's EV News at http://evdl.org/evln/ EVDL EV News Archive - Electric Vehicle Discussion List<http://evdl.org/evln/> evdl.org EVLN - EV News Archive Edited by Bruce {EVangel} Parmenter: EVLN: home | help | archive | news | privacy policy | terms of service Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA) Yahoo! Groups<http://groups.yahoo.com/group/NEDRA> groups.yahoo.com / -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20170103/c8d49206/attachment.htm> _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org Read EVAngel's EV News at http://evdl.org/evln/ Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
