Manufacturers wishing to integrate a charger for sealed lead acid batteries into their products can use Lawtronics open PCB chargers, now manufactured and marketed by Astrosyn. Available in managed automatic and non-managed ranges, they are ideal for integration into OEM equipment.
The managed range provides rapid step charging and operates automatically on a current-limited, constant-voltage charging cycle. Batteries may be left on-charge indefinitely and the chargers will reform deep discharged batteries.
LEDs indicate the charge cycle, and the mains fused units are short circuit and reverse polarity protected. Outputs available are 6V, 12V, 24V or 30V.
The non-managed chargers can also be used as current limited power supplies, for example in uninterruptible power supplies. They are available with 6V, 12V or 24V outputs.
As the units are open, they should only be used when suitably enclosed. All are supplied with corner mounting holes in the PCB and have screw terminal blocks for the electrical connections.
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