Varta Professional Deep Cycle Mode D'emploi page 10

4. Maintenance
VARTA PROFESSIONAL DC batteries are 100 % maintenance free.
The battery lid must not be openend and no water shall be added for their
entire period of use. Keep the surface of the battery clean and dry and use a
damp cloth only for wiping.
5. Taking out of operation
- Store in a cool dry place.
- Check battery voltage every 6 months and recharge if it is below 12.50 volts.
- If the battery is left on the vehicle, disconnect the negative terminal.
6. Battery bank
- It is recommended to connect not more than 4 batteries in a seriel/parallel
connection.
- Always connect only batteries of the same type, capacity, age and state of
charge.
a.) Seriell connection
for 24 V, 75 Ah (example)
Total voltage =
sum of single voltages
Total capacity =
single capacity
12 V 75 Ah 12 V 75 Ah
b.) Parallel connection
for 12V, 150 Ah (example)
Total voltage =
single voltage
Total capacity =
sum of single capacities
c.) Seriell-parallel connection
for 24 V, 150 Ah (example)
Total voltage =
sum of 2 single voltages
Total capacity =
sum of 2 single capacities
7. Quality
The VARTA PROFESSIONAL DC batteries are manufactured according
to the following quality and environmental standards:
ISO TS 16949, ISO 9001 :2008, ISO 14001
12 V 75 Ah 12 V 75 Ah
12 V 75 Ah 12 V 75 Ah
12 V 75 Ah 12 V 75 Ah