Batteries Connection
DO NOT string batteries with different chemistry, brands, models, rated capacities,
or nominal voltages in parallel.
Please avoid too high a voltage difference between paralleled batteries, despite the
auto-balancing function, to avoid triggering the over-voltage protection.
In parallel battery banks, the cables between each battery should be of equal length
to ensure that all batteries in the system can work equally together.
It is not recommended to connect more than 4 batteries in parallel to ensure the
normal functioning of auto balance.
Note: If you need to connect 2 or more 12v batteries in series, please prepare
a battery equalizer for balancing charge. Or you should charge them separate-
ly to avoid the voltage difference.
24V 100Ah battery, also 48V 50Ah battery should not be wired in series. It’s
hard to keep the charging balance for that series string.
If you want to expand your battery bank capacity, parallel connection is a
better way without charging issues.
- 6 -
The series connection means that the negative
electrode of the first lithium battery is connected to
the positive electrode of the second lithium battery,
and the negative electrode of the second lithium
battery is connected to the positive electrode of the
third battery, and so on, until the required voltage is
reached.
The voltage of this connection method is all The
total voltage of the cells connected together, and
the string current rating keeps as single one battery.
Series
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