opticsguy Posted June 24, 2019 Report Share Posted June 24, 2019 The Odyessy product manager said it could be 6 months before they get any more. The one I had won't go over 6-7V. Is there a replacement? I suppose I could get a smaller AGM battery but the posts are larger than the PC310 Quote Link to comment Share on other sites More sharing options...
SportFlyer1 Posted June 24, 2019 Report Share Posted June 24, 2019 Now might be a good time to think about an MRA for a lighter lithium ion battery. Quote Link to comment Share on other sites More sharing options...
John Vance Posted June 24, 2019 Report Share Posted June 24, 2019 How about the Enersys SBS-8? I’ve been using the -15 version but the -8 should fit your box. These are pure-lead AGM batts like the Odyssey. I bought mine from OSI Batteries and have been very happy with them. Quote Link to comment Share on other sites More sharing options...
FlyingMonkey Posted June 24, 2019 Report Share Posted June 24, 2019 51 minutes ago, SportFlyer1 said: Now might be a good time to think about an MRA for a lighter lithium ion battery. When I looked weight difference between a PC-310 and equivalent Lithium IRON (you don't want ION) was about 2.5lb. Not enough to justify the $350-400 cost. But if you can't get a PC-310... Quote Link to comment Share on other sites More sharing options...
Tom Baker Posted June 24, 2019 Report Share Posted June 24, 2019 47 minutes ago, John Vance said: How about the Enersys SBS-8? I’ve been using the -15 version but the -8 should fit your box. These are pure-lead AGM batts like the Odyssey. I bought mine from OSI Batteries and have been very happy with them. The Enersys SBS-8 is an approved battery for either the CTSW or CTLS according to the maintenance manual. Quote Link to comment Share on other sites More sharing options...
opticsguy Posted June 30, 2019 Author Report Share Posted June 30, 2019 Talked to Tom at FD, and put in a Earth-x yesterday. It took about 20 minutes. I tested it by starting the engine. Usually after a month without starting it would crank for about 5 seconds and then start and run rough (like 3 cylinders) for about 30 seconds. This time it started instantly (faster than my car) and ran smooth right off. A huge difference. $400 down the drain, but I think it will be worth it. Quote Link to comment Share on other sites More sharing options...
KentWien Posted July 1, 2019 Report Share Posted July 1, 2019 I have a 1 year old PC310 I’d be happy to sell after installing an Earth-X last month. $80 plus shipping. Quote Link to comment Share on other sites More sharing options...
opticsguy Posted July 3, 2019 Author Report Share Posted July 3, 2019 I had drained a PC310 down to zero volts and was able to recover it. It spent the next 10 years in my scooter (Vespa type, no moving wheelchair type). They are great batteries. Quote Link to comment Share on other sites More sharing options...
CWC Posted August 2, 2019 Report Share Posted August 2, 2019 What model of earth-x battery have people been using? Quote Link to comment Share on other sites More sharing options...
KentWien Posted August 2, 2019 Report Share Posted August 2, 2019 Mine is the Earth-X 680C with battery box and warning light installed. Arian at FD USA installed it and provided an MRA for the paperwork. Quote Link to comment Share on other sites More sharing options...
Thurstenson Posted September 2, 2019 Report Share Posted September 2, 2019 KentWien, I'm helping my aunt sell her CTLS after her husband's passing. Finding a PC310 is a challenge, and she's not looking to upgrade for the sale. Were you serious about selling your PC310? Would you be willing to ship? Quote Link to comment Share on other sites More sharing options...
KentWien Posted September 2, 2019 Report Share Posted September 2, 2019 I can’t find the one we removed. Let me look a little harder for it. Kent Quote Link to comment Share on other sites More sharing options...
BravoFoxtrot Posted September 2, 2019 Report Share Posted September 2, 2019 This is a suitable replacement: https://www.osibatteries.com/p-1054-enersys-powersafe-sbs-8-sealed-lead-acid-battery-120v-80ah.aspx And it shows it in stock. Quote Link to comment Share on other sites More sharing options...
CWC Posted September 2, 2019 Report Share Posted September 2, 2019 I just installed a PowerSafe SBS-8 and it works like a champ. I will also note that, aside from the label, it appears identical to the PC310. Quote Link to comment Share on other sites More sharing options...
Thurstenson Posted September 3, 2019 Report Share Posted September 3, 2019 Gentlemen, Thank you. We'll look at the SBS-8 for this solution. KentWien, Thanks for looking. Quote Link to comment Share on other sites More sharing options...
FlyingMonkey Posted September 3, 2019 Report Share Posted September 3, 2019 Will a Lithium battery last twice as long to justify twice the price? Quote Link to comment Share on other sites More sharing options...
okent Posted September 3, 2019 Report Share Posted September 3, 2019 If you do a direct comparison to lead acid then the ratios are (roughly) 4x the capacity in the lithium and 4x the charge/discharge cycle capacity. What most don't talk about is the discharge rate. The lithium battery will dump out more energy quickly if needed without damaging the battery. Most lead acid batteries can be discharged to only about 50% of capacity. So if it's a 50 amp/hr battery you can only pull out about 25 amps and your voltage will sag pretty bad. With lithium you can pull out 80% and the voltage will remain essentially constant. That means when you're taxiing on the ground at night you really can't run down the battery since there's so much power available. It's more up front but over the long term it makes sense to me. If you're just replacing the battery to sell then I'd put in the lead acid. If you are keeping the plane to use it's worth it for those reasons. That was the first thing I changed on my plane when I bought it. I plan to fly it for 2 years and then go up to a 4 seater. Quote Link to comment Share on other sites More sharing options...
Anticept Posted September 25, 2019 Report Share Posted September 25, 2019 https://www.amazon.com/ODYSSEY-Batteries-PC310-P-Powerports-Battery/dp/B002NGKT6O Quote Link to comment Share on other sites More sharing options...
Tip Posted November 29, 2019 Report Share Posted November 29, 2019 Apex Batteries sent out an email offering a 5% discount when using the discount code : BLACK https://www.apexbattery.com/ Quote Link to comment Share on other sites More sharing options...
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