Product Manual

Rev12 30-04-2018
Figure 5: Second Battery Protect in between a battery charger or MPPT solar charge controller and a
Li-ion battery
The second BP replaces a Cyrix-Li-charge relay (advantages: lower power consumption, alarm relay).
(not applicable if the charger has remote on-off contacts and can be controlled with an interface cable between the BMS and the charger)
Choose program

for this application.
Caution: uncontrolled reverse current will flow through a Battery Protect if Vout > Vin. Therefore never use a Battery Protect for battery to
battery charging.
Second BP
In
Out