Victron

Victron Skylla-i 24/80 (3) Battery Charger

£1,402.80
Tax included.
SKI024080002
The Victron Skylla-i 24/80 (3) is a 24 V, 80 A marine battery charger with three galvanically isolated full-current outputs. Each output can deliver the full charge current up to a combined 80 A, making it ideal for charging three separate banks. A seven-stage adaptive algorithm, VE.Can networking and a rugged aluminium case suit demanding onboard use.

Available for collection or delivery in ~2 days

Pickup available at Mercury Yacht Harbour

Usually ready in 2-4 days

Description

The Skylla-i 24/80 (3) is a robust, high-output battery charger designed for marine and other demanding environments. Its aluminium epoxy powder-coated case, drip shield, stainless steel fixings and acrylic-coated circuit boards are built to cope with heat, humidity and salt air, while internal temperature sensors keep the power components within safe limits and reduce output if conditions become extreme. This three-output version provides three galvanically isolated full-current outputs instead of a separate starter output, so it can charge three independent battery banks up to a combined total of 80 A. A seven-stage adaptive charge algorithm sets the absorption time according to how deeply the battery has been discharged, with a BatterySafe stage to limit gassing and a Storage mode that lowers the voltage when the battery is left idle. A supplied battery temperature sensor and a voltage sense connection help maintain the correct charge voltage at the terminals. The unit is Li-Ion (LiFePO4) ready and can also serve as a stabilised power supply. Networking is provided by a galvanically isolated VE.Can (NMEA 2000) interface, so several chargers can be synchronised for parallel operation and linked to a Skylla Control panel for remote monitoring and shore-current limiting. With acceptance of both AC and DC supply, the charger adapts to a wide variety of installations.

PRODUCT DETAILS

  • 24 V output with up to 80 A total charge current
  • Three galvanically isolated full-current outputs for charging three banks
  • Seven-stage adaptive charge algorithm with BatterySafe and Storage modes
  • Li-Ion (LiFePO4) ready with remote on/off and CAN bus control
  • VE.Can (NMEA 2000) interface for synchronised parallel operation and remote panels
  • Supplied battery temperature sensor and voltage sense for accurate charging
  • Rugged aluminium case suited to heat, humidity and salt air
  • Accepts both AC and DC supply and can be used as a power supply

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Key specifications

Battery voltage24 V
Charge current3 x 80 A (max total output 80 A)
Number of outputs3

Charging

Charge algorithm7 stage adaptive (lead-acid); 3 stage for Li-Ion
Charge voltage 'absorption'28.8 V (output range 20 to 36 V)
Charge voltage 'float'27.6 V
Charge voltage 'storage'26.4 V
Recommended battery capacity400 to 800 Ah

Input

AC input voltage range185 to 265 VAC (nominal 230 VAC)
DC input voltage range180 to 350 VDC
Input frequency45 to 65 Hz
Maximum input current setting16 A at 180 VAC
Power factor0.98

Connectivity & control

Battery temperature sensorYes (supplied with the charger)
Communication portVE.Can: two RJ45 connectors, NMEA2000 protocol, galvanically isolated
Programmable relayAlarm relay, DPST; 240 VAC/4 A; 4 A up to 35 VDC, 1 A up to 60 VDC
Battery voltage senseYes
Remote on/offYes (can be connected to a Li-Ion BMS)
Synchronised parallel operationYes, with VE.Can

Protection

ProtectionBattery reverse polarity (fuse); output short circuit; over temperature

Environmental

Operating temperature-20 to 60 C (full output current up to 40 C)
CoolingForced cooling (fan)
HumidityMax 95% (non-condensing)

Physical

ColourBlue (RAL 5012)
MaterialAluminium epoxy powder coated
Protection categoryIP21
TerminalsBattery: M8 bolts; 230 VAC: screw-clamp 10 mm2 (AWG 7)
Weight7 kg
Dimensions (h x w x d)405 x 250 x 150 mm

Conformance

SafetyEN 60335-1, EN 60335-2-29
Emission / ImmunityEmission: EN 55014-1, EN 61000-6-3, EN 61000-3-2; Immunity: EN 55014-2, EN 61000-6-1, EN 61000-6-2, EN 61000-3-3

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How many battery banks can the Skylla-i 24/80 (3) charge?
This is the three-output version with three galvanically isolated outputs, each able to deliver the full charge current up to a combined total of 80 A. It is well suited to charging three separate banks at once and does not have a separate low-current starter output.
Is the Skylla-i suitable for lithium batteries?
Yes, it is Li-Ion (LiFePO4) ready. Simple on/off control can be implemented by connecting a relay or open-collector optocoupler output from a Li-Ion BMS to the remote on/off port, or full voltage and current control can be achieved through the galvanically isolated CAN bus port.
Can it run from a DC supply as well as mains?
Yes. The Skylla-i accepts both AC and DC supply, with an AC input range of 185 to 265 VAC and a DC input range of 180 to 350 VDC.
Can several of these chargers be paralleled?
Yes. Chargers can be synchronised for parallel operation using the VE.Can interface by interconnecting them with RJ45 UTP cables. Note that two-output and three-output models cannot be paralleled with each other.
How does it manage charge voltage when batteries are left unused?
The Storage mode engages when a battery has not been discharged for 24 hours, reducing the float voltage to 26.4 V to limit gassing and plate corrosion, then refreshing the battery to absorption level once a week.