High Voltage Reducer / 3 Stage Battery Charger - 25A

Product discontinued


High Voltage Switchmode Reducer/Charger

Apart from the ability to reduce up to 80V DC down to 12 or 24V, this device can turn into a battery charger via the flick of a switch.

The charger utilises switchmode and microprocessor technology for the charging of 12V and 24V Batteries (Lithium, AGM, GEL and Flooded Cell).

As well as charging functionality it is also able to act as a standard Reducer from inputs as high as 80V to either 12V or 24V. The charger provides a safe and fast method of restoring discharged batteries and maintaining them. This is achieved via precisely controlled Bulk, Absorption and Float charging states. It is fully protected against overload, short circuit, over temperature, over voltage and with a bulk charge timeout for additional safety. The models are built in a compact and strong aluminium extrusion which can be easily secured to both vertical and horizontal surfaces. Before starting the charge cycle the battery voltages are evaluated to detect faulty batteries.

- microprocessor based, improved output stability, protection and status indications
- high efficiency switchmode technology
- Control wire via ignition or can be configured with no control wire (via jumper)
- thermal, over voltage, overload and short circuit protection
- compact and lightweight aluminium heatsink construction
- up to 80V DC input

Weight: 1.4 Kilograms
Warranty: 2yrs


High Voltage Reducer / 3 Stage Battery Charger - 25A
12 Volt Mode
Voltage range (input)18-80V DC
min start up voltage (input)22V DC
24 Volt Mode
Voltage range (input)36-80V DC
min start up voltage (input)44V DC
BulkMax charge current 25A
Absorbtion14.5V / 29V
Float13.5V / 27V
Max charge current25A (bulk mode)
Output Voltage13.5V / 27V
Typical efficiencyGreater than 85%
Dimensions (mm)155(L) x 177(W) x 68(H)
Net weight1.4kg
ManufacturerGSL Electronics


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We install solar systems in Northern NSW and Southern QLD.

Gold Coast (from Coolangatta to Southport), Nerang and Hinterland (Beaudesert) and out West (Warwick, Stanthorpe, Killarney)

Northern NSW (Tweed Heads to Yamba, including Evans Head, Byron Bay and Ballina); the Far North Coast Hinterland (Grafton via Lismore to Murwillumbah) and out West (Casino to Tenterfield, including Drake and Tabulam, as well as Woodenbong and Bonalbo)

For larger system we also go up to Brisbane or down to Coffs Harbour and even Glen Innes. Other places by arrangement.