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Looking for a simple SLA charger for alarm system

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GreaT

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sla charger

HI,

I am looking for a simple SLA charger for alarm system. It is for 12V 1.2Ah Sla battery, when the mains in missing, the battery feeds the alarm circuit.
 

simple sla

Have a look at this. You can modify the input so that instead of solar panels, a transformer, bridge rectifier and filter capacitors are used.

**broken link removed**

Sputnik :idea:
 

sla charging alarm circuit

This is no so simple. I am looking for a "not too complicated" solution.
 

Simple enough? Just remember that there is no protection from over-charging or over-discharging! But hey, it's your call.

Sputnik :idea:
 

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