SamplexPower Pure Sine Wave PST-600-12 Manuel Du Propriétaire page 26

SECTION 7 |
7.15.3 Series – Parallel Connection
12V Inverter
or 12V Charger
Cable "B"
Fig. 7.4: Series-Parallel Connection
Figure 7.4 shows a series – parallel connection consisting of four 6V, 200 AH
are connected in series to form a 12V, 200 Ah battery (String 1). Similarly, two 6V, 200 Ah
(String 2). These two 12V, 200 Ah Strings 1 and 2 are connected in parallel to form a
!
CAUTION!
When 2 or more batteries / battery strings are connected in parallel and are
should be paid to the manner in which the charger / inverter is connected to
charger / inverter (Cable "A") is connected to the Positive battery post of the
tery string (Battery 1 of String 1 in Fig. 7.4), then the Negative output cable of
the battery charger / inverter (Cable "B") should be connected to the Negative
of the last battery string (Battery 4 of Battery String 2 as in
Fig. 7.4). This connection ensures the following:
- The resistances of the interconnecting cables will be balanced.
- All the individual batteries / battery strings will see the same series resistance.
- All the individual batteries will charge / discharge at the same charging
current and thus, will be charged to the same state at the same time.
- None of the batteries will see an overcharge condition.
26 | SAMLEX AMERICA INC.
General Information on Lead Acid
Batteries
12V String 1
Battery 1
Cable "A"
6V
12V String 2
Battery 2 Battery 3
6V 6V
Battery 4
6V