Re: [MBZ] Lithium batteries

2021-05-14 Thread Allan Streib via Mercedes
I read the website a little more and it seems they do have charge management hardware built in. So that makes the need for a special charger a little puzzling. If the car alternator is OK, why isn't my old 8A 12V plug-in charger OK? Allan Curt Raymond writes: > It suggests you'll need to add a

Re: [MBZ] Lithium batteries

2021-05-14 Thread Curt Raymond via Mercedes
It suggests you'll need to add a charger."IMPORTANT: Only use Lithium Lifepo4 Charger when charging these batteries from a charger. How to Choose a Charger" Lithium batteries can be safely discharged lower than lead acid. Lead acid is only supposed to go to 50%, IIRC lithium can go to 80% or

Re: [MBZ] Lithium batteries

2021-05-14 Thread Allan Streib via Mercedes
What's the advantage? Just the weight savings? Car charging circuits won't be set up to safely charge a Li battery, so I guess these batteries include the electronics to manage the charging? And discharging? You can't allow them to get too low either. Allan Mitch Haley via Mercedes writes: >

Re: [MBZ] Lithium batteries

2021-05-14 Thread OK Don via Mercedes
In aircraft the continuous drain capacity is also a concern - you want navigation and communications if the alternator dies before you get to the ground. The lithiums are more than twice the cost, but weight is less than a fourth (VERY significant) and they seem to be expected to last 6 years in

Re: [MBZ] Lithium batteries

2021-05-14 Thread Mitch Haley via Mercedes
On 2021-05-14 11:17, OK Don via Mercedes wrote: I wonder how many they will sell at $1,200??? I seem to recall seeing airplane lithiums (10-15lb) for around $400. They weren't 2000 CCA however. ___ http://www.okiebenz.com To search list archives

Re: [MBZ] Lithium batteries

2021-05-14 Thread Curt Raymond via Mercedes
I'm seeing that in the off grid solar community a lot lately. The extended lifespan of lithium is supposed to provude considerable savings over lead acid. Unfortunately I guess at least some lithium batteries don't like extreme cold. I just checked and the weather station in the camp says

Re: [MBZ] Lithium batteries

2021-05-14 Thread OK Don via Mercedes
I wonder how many they will sell at $1,200??? On Fri, May 14, 2021 at 10:09 AM Mitch Haley via Mercedes < mercedes@okiebenz.com> wrote: > They're putting lithium starting batteries in big cases so they are a > drop in replacement for lead-acid. > > >

[MBZ] Lithium batteries

2021-05-14 Thread Mitch Haley via Mercedes
They're putting lithium starting batteries in big cases so they are a drop in replacement for lead-acid. https://antigravitybatteries.com/products/starter-batteries/automotive/ag-h8-rs/ ___ http://www.okiebenz.com To search list archives