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EPOWER BATTERY CHARGERS

The ePOWER Battery Chargers are a fully automatic, “set and forget” charger. It is designed to quickly and accurately recharge your batteries using algorithms that help maximise service life. Multistage smart charging technology enables the charger to be connected to your battery banks permanently. As dictated by battery manufacturer’s recommendations, batteries require a multistage charge sequence for perfect, fast and accurate charging.

The ePOWER multistage smart battery charger deliver four primary charge stages:-

Stage 1 Bulk or Boost Charge; The battery is charged at full rated output current of the charger until the battery reaches its final charging voltage, known as its absorption voltage. In this step, around 80% of the battery capacity is recovered as fast as possible.

Stage 2 Absorption Charge; With the charger voltage held steady the remaining 20% is replaced allowing the current to drop as the battery approaches its full charge.

Stage 3 Float; Finally, in the float stage the charger voltage is lowered and held at a constant and safe predetermined level. This prevents the battery from being overcharged while supporting any additional loads connected to the battery, such as DC lighting and refrigerators. This stage allows for the charger to be used as a DC power supply. Stage 4 – Maintenance; This stage is a regular timed “return to bulk” stage. After 7 days of constant operation in “float” the ePOWER Battery Charger will switch the charger from float to bulk to agitate the batteries electrolyte helping to provide an extended service life.

Model EN31220 EN31240 EN31260 EN32430
CHARGER OUTPUT
Output Current (Maximum) 20A 40A 60A 30A
OUTPUT VOLTAGE RANGE
- Charge 14.2 – 15.5 V 28.4 – 31.0V
- Float 13.4 – 13.8 V 26.8 – 27.6V
- Equalize 16.0 V 32.0V
Charging Control

Four stages (Bulk/Absorption/Float/Maintenance)

Two stages (Bulk/Absorption)

Constant Power Supply (Program setting)

Priority Battery Bank Charging

DC Output Bank Three (1 fully independent, 2 common with diode isolation)
Selectable Battery Type Gel, AGM, Flooded, Lithium, Program
Standby Current < 2 mA
CHARGER INPUT
AC Input Voltage (Nominal) 90 to 265 VAC
AC Input Operating Range 207-265 Vac (2.0 A Max)90-125 Vac (3.8 A Max) 207-265 Vac (3.8 A Max)90 – 125 Vac (7.7 A Max) 207-265 Vac (5.9 A Max)90-125 Vac (11.3 A Max) 207-265 Vac (5.9 A Max)90-125 Vac (11.3 A Max)
AC Input Frequency Range 47 – 63 Hz
Power Consumption 350W (Full Load) 700W (Full Load) 1050W (Full Load) 1050W (Full Load)
Power Factor Correction Yes
Charger Efficiency > 82%
PROTECTION AND FEATURES
Reverse Polarity Yes, (with user replaceable fuse/s)
Over Charge Yes, unit shutdown
Over Temperature Yes, unit de-rated and shutdown
Output Short Circuit Yes, (with user replaceable fuse/s)
Cooling Forced air ventilation (thermo controlled fan)
Temperature Setting Hot, Normal, Cold (no sensor connected)
Battery Temp Sensor Port RJ12 (standard battery temp. sensor supplied)
DISPLAY
LCD Display (with back light) Charging status, Battery Voltage, Output Current & Fault Codes.
AC INPUT AND DC OUTPUT CONNECTION
AC Input Connection IEC with Supplied 1.2M Power Lead
DC Output Connection Heavy Duty Terminal (3 banks) – Pan Heads 6mm Thread
DC Output Ground Single Heavy Duty Common Ground Stud
ENVIRONMENTAL AND OPERATING TEMPERATURE
Storage Range -40° to 70° C
Operating Range -20° to 60° C
Humidity 5-95%, relative humidity non-condensing
Ingress Protection IP32 (Basic drip proof in vertical orientation)
Base Unit Weight and Dimensions
Weight: (kg) 2.4 2.6 4 4
Dimension: (mm) L x W x H 295 x 206 x 86 295 x 206 x 86 356 x 206 x 99 356 x 206 x 99
Optional Accessories Remote Digital Display / Part Number: EN3REM

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