patura P700 Mode D'emploi page 40

determine the size of battery and solar panel required. Refer to "Operation" for an explana­
tion of the function of the selector switch.
Battery selection for a battery-only installation
As a guide, the amp hour (Ah) rating of the 12 V lead­acid battery required for each model is
shown below. This table is based on a seven day operating period between battery charging.
If the battery is discharged to low it will likely cause battery damage and reduce its life. For
best system reliability and long term battery life, the preferred battery and charging regime is
to use a deep­cycle, lead­acid battery and to recharge it when it has discharged to medium
charge level.
Energiser Model
P700
P800
Battery selection for a solar installation
The battery and solar panel must be selected carefully to suit the energiser's electrical current
consumption. This will depend on the position of the energiser selector switch, the energiser
model being used and the amount of sunshine at the location of the installation.
As a guide, the minimum amp hour (Ah) rating of the 12 V lead­acid battery required for
each model is shown below. This table is based on average usage over seven days with no
sunlight. It takes into account that the solar panel is pointing directly south, without partial
shading and is operating from spring to autumn. Should the battery voltage drop too low, it is
recommended to switch the devices to half power or the battery needs to be recharged.
Energiser Selector Switch
Model Position
P700 Full Power
Half Power
P800 Full Power
Half Power
Selector Switch Position
Full Power
Half Power
Full Power
Half Power
Current
0.85 A
0.35 A
1.7 A
0.75 A
Current Required
0.85 A
0.35 A
1.7 A
0.75 A
Solar panel
Minimum size
45 Watt
2 x 45 Watt
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Battery Capacity
130 Ah
66 Ah
2 x 130 Ah
130 Ah
Recommended Battery
Capacity
130 Ah
80 Ah
2 x 130 Ah
130 Ah