Victron Energy 24V storage system 30.72kWh or 20.48kWh – Quattro 5kVA or 8kVA, 4× Lithium NG 300Ah or 200Ah, 2× Lynx Smart BMS NGComplete 24V DC system with Quattro inverter/charger and four Lithium NG batteries

Overview

Four Lithium NG 25.6V batteries in parallel, 300Ah each for 30.72kWh or 200Ah for 20.48kWh, form the core of this 24V system for yachts, expedition vehicles and off-grid houses. They are split into two banks, each with a Lynx Class-T Power In and a Lynx Smart BMS 500 NG. The inverter/charger is a Quattro 24/5000/120-100/100 (4000W, 120A charge) or 24/8000/200-100/100 (6400W, 200A charge), both with two AC inputs for grid and generator. Cerbo GX MK2, GX Touch 70, Orion-Tr 24/12-30A and two 275A switches complete the kit.

• 24V or 48V banks from 10.24kWh to 61.44kWh
• Two independent banks, each with its own Lynx Smart BMS NG
• MultiPlus-II or Quattro inverter/chargers from 5kVA to 3×15kVA
• Class T battery fuses and fused Lynx Distributor outputs
• Cerbo GX MK2 with GX Touch 70 and VRM portal
• Isolated Orion-Tr converter for a 12V circuit

What's in the kit

• 1 × Victron Energy Quattro 24/5000/120-100/100 5kVA version
• 1 × Victron Energy Quattro 24/8000/200-100/100 8kVA version
• 4 × Victron Energy LiFePO4 Battery 25.6V/300Ah NG 300Ah version
• 4 × Victron Energy LiFePO4 Battery 25.6V/200Ah NG 200Ah version
• 2 × Victron Energy Lynx Smart BMS 500 NG (M10)
• 2 × Victron Energy Lynx Class-T Power In (M10)
• 1 × Victron Energy Lynx Distributor (M10)
• 1 × Victron Energy Cerbo GX MK2
• 1 × Victron Energy GX Touch 70
• 1 × Victron Energy Orion-Tr 24/12-30A (360W) Isolated DC-DC converter
• 2 × Victron Energy Battery switch ON/OFF 275A
• 1 × Cables, Class T and MEGA fuses, communication cables and GX supply parts

How the systems work

Each kit is a complete DC side built from Victron parts. Lithium NG batteries contain LiFePO4 cells, cell balancing and an integrated shunt, and send cell voltages and temperatures over M8 cables to a Lynx Smart BMS NG. The BMS calculates state of charge, pre-charges the inverter capacitors and opens its contactor, rated 500A or 1000A continuous, if a cell leaves its limits. Over VE.Can it reports to a Cerbo GX MK2, which uses DVCC to steer the charge and discharge currents of the inverter/charger.

For 24V the kits parallel 25.6V batteries; for 48V they parallel 51.2V batteries or use strings of two 25.6V batteries in series, the maximum Victron allows, with identical capacity. Every kit splits its batteries into two banks, each behind its own Lynx Smart BMS NG, using Victron's parallel redundancy feature: if one BMS disconnects its bank, the other keeps the system running, within the current that bank can deliver.

Inverter/chargers and distribution

Depending on the kit, the AC side is a MultiPlus-II 24/5000/120-50 or 48/6k5/100-50 with one AC input, or a Quattro with two AC inputs for grid and generator, from 24/5000 to 48/15000; three Quattro 48/15000 units form a three-phase system. Batteries connect through Class T fuses and the inverter through MEGA fuses on Lynx Distributor busbars, whose fuses the BMS monitors. An isolated Orion-Tr DC-DC converter supplies a 12V circuit with up to 30A.

What the installer adds

Solar chargers and panels, the AC distribution with breakers and residual current devices, battery racks or brackets, earthing and commissioning are not part of the kits. Lithium NG batteries are IP65, but the BMS stops charging below 5°C, so winter charging needs a frost-free room. Cable sections and fuse ratings are chosen for a compact layout with batteries, Lynx busbars and inverter close together; longer runs need new calculations. Grid-parallel ESS operation requires the certificates and settings of the destination country.

Questions and answers