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Every accumulator is an electric current storage device with a limited
capacity. The difference compared to electricity from a mains socket is
that the energy taken out of the battery must be 100% returned to it again!
Insufficient recharge leads to a “negative charge balance”. Problems
up to premature failure of the battery can be Expected.
As a rule, the lighting generator is the only available accessory for recharging
the battery while underway. However, the lighting generator and solar panel
are only supporting charging devices.
100 % recharge is possible only with a suitable charger operated via an external mains
supply. That’s the reason why conscious and economical use of the
energy supply should be as self-evident as the conserving use of natural
resources (drinking water etc.): No battery yields an inexhaustible supply!
 | Make an energy balance for all electricity-consuming equipments on board.
This allows you to check the amounts of energy used each |
| day and which must therefore be supplied to the battery again. |
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| Example calculation for a refrigerator: |
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Power 42 Watts (W) : Voltage 12 Volts (V) |
= current 3.50 Amperes (A) |
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x duration of use/day in hours (h), e.g. 8 h |
= required capacity in Ampere-hours |
(Ah) e.g. 28 Ah |
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 | Following this example, you can determine the total capacity needed for
all of the electricity-consuming equipments on board by addition (you will
find the power data in Watts on rating plates, lamp holders etc.). |
| Multiply the total Ah value determined by the EXIDE GEL safety factor of
1.3 (it is much higher for conventional batteries) and you will know what
effective capacity the GEL battery used should have. If your on-board network
is under-supplied, a more powerful EXIDE GEL battery and/or an additional
power supply battery will help. |
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The highest standards of reliability and economy are imposed in professional
use, e.g. buses for local public transport. The recommendation in order
to keep the EXIDE GEL in a good state of charge at all times is:
recharge at least 1x per week!
The following recommendations apply for use in the leisure and sports area:
- Always start your journey with a fully charged battery!
- During the holiday, use every opportunity to recharge the battery via the built-in on-board charging equipment!
- After the end of the journey, it is essential that the battery is charged via the on-board charger equipment for longer than 12 hours, since as a rule the battery is not fully recharged even during prolonged
mobile use (return journey).
- Before prolonged periods out of use, e.g. the winter break, the battery must again be fully charged for longer than 12 hours. Then disconnect the positive terminal post!
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