[Healeys] Non-Healey related batteries issue

[Perry]

I have used the slave battery technique that Len mentions below several times with varying results. Sometimes the dead one just remains that way! ☹
Perry 

Sent from Mail for Windows 10

From: Len and/or Marge Hartnett
Sent: Monday, August 10, 2020 2:23 PM
To: AH Mail List
Subject: Re: [Healeys] Non-Healey related batteries issue

 
Simon:  The most commented upon answer to the question of charging a dead battery has had to do with the Optima battery.  I have been told by a sales person that they cannot be recharged when dead.  Others have said, Yes, they can.  The Optima batteries use an advanced form of AGM (Absorbent Glass Mat) technology called Spiralcell.  This absorbent glass mat holds acid in place by absorbing it like a sponge.  The process for bring a dead battery back to life involves connecting a good battery in parallel with the dead battery.  This sends a message to the charger that there is a battery that needs charging.  After the dead battery reaches a few volts of charge, the good battery can be disconnected and the charger should continue charging.  I MAKE NO CLAIM THAT THIS PROCEDURE WOULD OR WOULD NOT WORK ON AN LiON BATTERY. 
 
(The Other) Len
Fairfield, CA, USA
1967 AH 3000 MkIII, HBJ8L39031
        221,392 miles 
 
 
----- Original Message ----- 
From: Simon Lachlan via Healeys 
To: 'Healeys' 
Sent: Monday, August 10, 2020 9:51 AM
Subject: [Healeys] Non-Healey related batteries issue

Some free advice would be much appreciated…….
I am in France, so out of touch with my normal garages/suppliers etc etc……Thus more out of touch than usual.
So, my brother-in-law has bought an electric scooter. A fine looking big thing that reminds me of the Honda Spacey that my wife occasionally used about 25 years ago. A two seater.
This thing is two years old, +/-, so let’s say that the batteries are 30 months old. 
He bought the bike for €1 so it was hardly a great investment. (Delivery cost him an expensive bottle of red!).
The batteries seem to be quite dead, useless. I’d call that very odd. Apparently the PO was a bit of an ass and didn’t look after bike or batteries at all well.
Nevertheless, stone dead so soon?
I seem to recall a discussion on this list some years back that pertained to similar batteries. Are they dead or merely sleeping?? Plugging in the charger does nothing. Is there not something clever that one can do to jolt these things back to life? 
A new set of batteries is +/-€1000:00 which seems a bit disproportionate in the circs?
Any ideas would be gratefully received…..
Thanks,
Simon

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