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#1
02-12-2014, 07:07 PM
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Lithium-Ion battery?
LIGHTWEIGHT Because of 3x higher specific energy and energy density numbers, Lithium batteries are small & light. SUPER DEEP CYCLING Depending on discharge depth, a Lithium battery can do 5x as many cycles as lead acid. It can handle 80% depth of discharge (DOD) while lead acid handles 50%. If replacing a lead acid battery under two years old due to deep-cycling damage, you'll save in the long run switching to Lithium-ion. FAST RECHARGE Lithium batteries can accept charge current up to 5x faster than lead acid batteries. Charge efficiency is about 75% for lead acid compared to 97% for Lithium, which means less recharge time and alternator strain. No need for venting, fully sealed! Even at double the cost I'm considering it.
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'03 X5 4.4 Sport, last of the M62s (8-03 build date) I believe in deadication to craftmanship in a world of mediocrity! Last edited by TiAgX5; 02-12-2014 at 07:14 PM. 
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#2
02-12-2014, 07:55 PM
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Interesting,
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His : 2005 X5 4.8is (SOLD) Hers: 2007 X5 3.0si (SOLD) _______________ Retired: 1999 518 2000 323i 2002 M3 (beautiful car) 2003 330Ci
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#4
02-12-2014, 08:22 PM
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I agree on the cold weather factor. Try using a cordless drill when it's been sitting in a garage overnight in the freezing cold.
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Current Bimmer 2004 X5 4.4i Sterling Grey Sport/Premium Past Bimmers 1991 318I Alpine White 1995 740I Alpine White 1991 525I Schwartz 1998 323IS Scwartz 2004 330CI Cabrio Titanium Silver Metallic 1995 540I Schwartz 2000 Z4 3.0 Titanium Silver 2000 330ci Coupe Titanium Silver
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#5
02-12-2014, 10:26 PM
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I have drills with the lithium batteries and if I leave them in the work van over night in -20c weather they will be totally dead untill they warm up , also with the lithium battery they keep full charge all the time and then they completely dye with no sign of getting week. In my opinion I would stay away from lithium in a vehicle ,thats my 2 cents.
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 2003 bmw x5 3.0i ,219000km build date 2003-08-18
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#6
02-13-2014, 12:05 AM
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Doesn't Tesla Motors uses lithium-ion battery packs for their cars?
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2006 Infiniti G35 2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD Lotus Europa 1970 Destroyed by fire Lotus Europa 1970 S2 Renault Powered Lotus Type 52 1970 Twincam Webers Powered PORSCHE 911 Targa 1982 The Garage Queen Audi Avant donated to Kars for Kids BMW 525IT Sold Audi 4000CS Quattro Sold Jensen Healey Lotus Powered Sold Opel 1900 Sold Triumph Spitfire 1971 Sold Triumph Spitfire 1968 Sold Plymouth "Cuda" 340 Six pack SOLD
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#7
02-13-2014, 12:20 AM
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Quote:
My X spends almost all its time in TX and FL so there's not much cold weather operation. Over 175k miles and has NEVER turned a wheel on snow/slush/ice. The X is in a warm garage and the Accord slogs thru the crappy roads.
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'03 X5 4.4 Sport, last of the M62s (8-03 build date) I believe in deadication to craftmanship in a world of mediocrity!
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#8
02-13-2014, 12:29 AM
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Hmmmm. If it's not a better alternative right now, give it a year and there will be this type of OEM and after market battery available everywhere. Only a matter of time. This is simply better technology.
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2006 4.8iS Black/Black with custom Audison Voce/Image Dynamics sound  Production Date - 10/05
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#9
02-13-2014, 12:29 AM
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Now how many people drive Teslas in freezing temps and snow?
__________________
Current Bimmer 2004 X5 4.4i Sterling Grey Sport/Premium Past Bimmers 1991 318I Alpine White 1995 740I Alpine White 1991 525I Schwartz 1998 323IS Scwartz 2004 330CI Cabrio Titanium Silver Metallic 1995 540I Schwartz 2000 Z4 3.0 Titanium Silver 2000 330ci Coupe Titanium Silver
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