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Charging battery -> 3.7 Totally discharged batteries for Your Volkswagen Sharan VAN First Generation (1995-2010)

Bora 1999 ➤ , Bora Variant 1999 ➤ , CC 2010 ➤ , Eos 2006 ➤ , Golf 199 ...  
Electrical System, General Inforlkmation - Edition 07.2010  
3.6  
Solar panel -VAS 6102A-  
3.6.1  
Charging battery in maintenance mode  
with solar panel -VAS 6102A-  
Solar panel VAS 6102A  
General description:  
Solar panel -VAS 6102A- supports onboard supply and prevents  
spontaneous battery discharging.  
Solar panel -VAS 6102A- achieves max. voltage of 14.3 V and a  
charging current of max. 255 mA.  
Solar panel -VAS 6102A- is allowed to be used for charging all  
rechargeable lead or lead gel batteries.  
Solar panel -VAS 6102A- is connected to diagnostic connection  
in vehicle.  
A green LED is integrated in the frame to indicate its function. The  
brighter the LED, the higher the charging current.  
Integrated electronics prevent battery overcharging.  
– Secure solar panel -VAS 6102A- on interior mirror -1-.  
– Place underside on dash panel -2-.  
Note  
Solar panel -VAS 6102A- is not allowed to lie fully on dash panel.  
It is only allowed to be positioned with the bottom edge for sup‐  
port. Placing it fully on the surface can result in discolouration of  
the dash panel.  
– Pull attachment string tight so that solar panel -VAS 6102A- is  
positioned close to windscreen.  
– Connect solar panel -VAS 6102A- to diagnostic connection of  
vehicle. Connection procedure is as for vehicle diagnostic  
tester ⇒ page 78  
– Check function of solar panel -VAS 6102A- . Green LED indi‐  
cates function of solar panel -VAS 6102A- .  
3.7  
Totally discharged batteries  
WARNING  
Danger of injury! Observe warning notices and safety regula‐  
tions ⇒ page 2 !  
A battery is designated „totally discharged“ when the no-load volt‐  
age is less than 11.6 V.  
3. Charging battery  
59  
Bora 1999 ➤ , Bora Variant 1999 ➤ , CC 2010 ➤ , Eos 2006 ➤ , Golf 199 ...  
Electrical System, General Information - Edition 07.2010  
WARNING  
Batteries where the magic eye is colourless or light yellow must  
not be checked or charged. Do not slave/jump start the vehicle!  
Danger of explosion when checking and charging or slave/  
jump starting  
These batteries must be renewed.  
Caution  
♦ Totally discharged batteries freeze prematurely.  
♦ Frozen batteries should no longer be used.  
Note  
lk  
Totally discharged batteries in vehicles before registration  
must be exchanged prior to delivery. Preliminary damage can‐  
not be excluded.  
Batteries that have not been used for a long period of time  
discharge themselves, e.g. those fitted in stored vehicles.  
In totally discharged batteries, the electrolyte is comprised al‐  
most entirely of water because the acid content is so low.  
Totally discharged batteries sulphate, that means, the entire  
plate surfaces of the battery harden.  
If a battery is recharged shortly after it has totally lost its  
charge, the sulphation will mostly dissipate.  
If these batteries are not recharged, the plates continue to  
harden and the ability to recharge is reduced. The result of  
which is a reduction in the battery output.  
– Check battery no-load voltage ⇒ page 25 .  
60  
Rep. gr.27 - Starter, current supply, CCS