{"id":30289,"date":"2026-06-21T22:25:27","date_gmt":"2026-06-21T20:25:27","guid":{"rendered":"https:\/\/deyenergie.com\/product\/sun-15k-sg05lp3\/"},"modified":"2026-07-09T21:39:49","modified_gmt":"2026-07-09T19:39:49","slug":"sun-15k-sg05lp3","status":"publish","type":"product","link":"https:\/\/deyenergie.com\/en\/product\/sun-15k-sg05lp3\/","title":{"rendered":"SUN-15K-SG05LP3"},"content":{"rendered":"

Download datasheet (PDF)<\/a><\/p>\n

Deye SUN-15K-SG05LP3 \u2013 15 kW three-phase low-voltage (48 V) hybrid inverter for larger residential and small commercial systems<\/h2>\n

The Deye SUN-15K-SG05LP3<\/strong> (SUN-15K-SG05LP3-EU-SM2) is a 15 kW rated power, three-phase, low-voltage (48 V)<\/strong> hybrid inverter<\/strong>, part of the higher-power SG05LP3-EU-SM2 (14\u201320 kW) series. Thanks to its robust transformer-isolated design, it is compatible with the most common 48 V batteries (lithium-ion or lead-acid), while the 2 independent MPPTs optimize production even on roofs with different orientations. It combines on-grid and off-grid operation in a single unit, making it ideal for powering larger family homes, farms, and small businesses.<\/p>\n

Why choose the Deye SUN-15K-SG05LP3 inverter?<\/h3>\n

The Deye SUN-15K-SG05LP3 inverter<\/strong> operates with up to 97.6% maximum and >99% MPPT efficiency, with low <3% harmonic distortion (THD). During the day, solar energy first supplies the loads, with surplus charging the battery and feeding the grid; in case of power outage, the inverter automatically switches to battery operation. The 100% unbalanced output adapts to different loads per phase, and in off-grid mode the inverter can deliver twice the rated power for 10 seconds, allowing high-inrush machines to start. The high charge\/discharge current of up to 280 A ensures fast battery charging and strong discharge performance.<\/p>\n

Key advantages of the Deye SUN-15K-SG05LP3<\/h3>\n
    \n
  • 48 V battery compatibility<\/strong> \u2013 transformer-isolated design, for lithium-ion and lead-acid batteries, up to 280 A charge\/discharge<\/li>\n
  • 2 MPPT controllers<\/strong> \u2013 wide 160\u2013650 V MPPT range for roofs with different orientations<\/li>\n
  • 100% unbalanced output<\/strong> \u2013 precise adaptation to real, unbalanced loads<\/li>\n
  • Strong starting power<\/strong> \u2013 2\u00d7 rated power for 10 s in off-grid mode<\/li>\n
  • High efficiency<\/strong> \u2013 up to 97.6% max. and >99% MPPT efficiency, <3% THD<\/li>\n
  • Scalability<\/strong> \u2013 up to 10 units can be paralleled in on-grid and off-grid modes<\/li>\n
  • AC-coupled retrofit and generator support<\/strong> \u2013 existing solar systems can be expanded with storage; diesel generator energy can also be stored<\/li>\n
  • Outdoor design<\/strong> \u2013 IP65 protection, touchscreen LCD, Wi-Fi + Bluetooth included in package<\/li>\n
  • Flexible monitoring<\/strong> \u2013 RS485, RS232, CAN; GPRS \/ 4G \/ LAN optionally<\/li>\n<\/ul>\n

    Applications<\/h3>\n

    The Deye SUN-15K-SG05LP3 inverter<\/strong> is ideal for larger three-phase residential and small commercial projects: large family homes, farms, and small businesses where flexible and reliable energy management is needed with 48 V battery storage. It helps maximize self-consumption, acts as a backup power source during outages, and with 6 programmable charge\/discharge periods enables off-peak charging and peak-time discharge. Thanks to AC-coupled expandability, existing solar systems can also be retrofitted with storage.<\/p>\n

    Deye SUN-15K-SG05LP3 technical specifications<\/h3>\n
    \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    Parameter<\/th>\nValue<\/th>\n<\/tr>\n<\/thead>\n
    Model<\/td>\nSUN-15K-SG05LP3-EU-SM2<\/td>\n<\/tr>\n
    Type<\/td>\nthree-phase, low-voltage (48 V) hybrid inverter<\/td>\n<\/tr>\n
    Rated AC power<\/td>\n15,000 W (15 kW)<\/td>\n<\/tr>\n
    Max. AC apparent power<\/td>\n16,500 VA<\/td>\n<\/tr>\n
    Rated AC current (380\/400 V)<\/td>\n22.8 \/ 21.8 A<\/td>\n<\/tr>\n
    Max. AC current (380\/400 V)<\/td>\n~25 \/ 23.9 A<\/td>\n<\/tr>\n
    Rated AC voltage<\/td>\n220\/380 V, 230\/400 V; 3L + N + PE<\/td>\n<\/tr>\n
    Grid frequency<\/td>\n50 \/ 60 Hz<\/td>\n<\/tr>\n
    Max. continuous AC pass-through (grid\u2192load)<\/td>\n70 A<\/td>\n<\/tr>\n
    Peak power (off-grid, 10 s)<\/td>\n2\u00d7 rated<\/td>\n<\/tr>\n
    Power factor range<\/td>\n0.8 capacitive \u2013 0.8 inductive<\/td>\n<\/tr>\n
    Max. PV input power<\/td>\n24,000 W<\/td>\n<\/tr>\n
    Max. PV voltage<\/td>\n800 V<\/td>\n<\/tr>\n
    MPPT voltage range<\/td>\n160\u2013650 V<\/td>\n<\/tr>\n
    Rated PV voltage<\/td>\n550 V<\/td>\n<\/tr>\n
    Start-up voltage<\/td>\n160 V<\/td>\n<\/tr>\n
    Number of MPPTs \/ strings<\/td>\n2 MPPT \/ 2+1 string<\/td>\n<\/tr>\n
    Max. operating PV current<\/td>\n36+20 A<\/td>\n<\/tr>\n
    Max. short-circuit current<\/td>\n54+30 A<\/td>\n<\/tr>\n
    Battery type<\/td>\nlead-acid or lithium-ion (48 V)<\/td>\n<\/tr>\n
    Battery voltage range<\/td>\n40\u201360 V<\/td>\n<\/tr>\n
    Number of battery inputs<\/td>\n2<\/td>\n<\/tr>\n
    Max. charge\/discharge current<\/td>\n280 A<\/td>\n<\/tr>\n
    Charging strategy<\/td>\nself-adaptive to BMS<\/td>\n<\/tr>\n
    Max. efficiency<\/td>\n97.6%<\/td>\n<\/tr>\n
    Euro efficiency<\/td>\n97.0%<\/td>\n<\/tr>\n
    MPPT efficiency<\/td>\n>99%<\/td>\n<\/tr>\n
    THD<\/td>\n<3%<\/td>\n<\/tr>\n
    Parallel capability<\/td>\nup to 10 units (on-grid and off-grid)<\/td>\n<\/tr>\n
    Operating temperature<\/td>\n\u221240 \u2013 +60 \u00b0C (derating above >45 \u00b0C)<\/td>\n<\/tr>\n
    Altitude<\/td>\n3,000 m<\/td>\n<\/tr>\n
    Noise level<\/td>\n\u226460 dB<\/td>\n<\/tr>\n
    Protection rating<\/td>\nIP65<\/td>\n<\/tr>\n
    Cooling<\/td>\nintelligent air cooling<\/td>\n<\/tr>\n
    Monitoring<\/td>\nWi-Fi + Bluetooth (included); GPRS \/ 4G \/ LAN (optional)<\/td>\n<\/tr>\n
    Communication<\/td>\nRS485, RS232, CAN<\/td>\n<\/tr>\n
    Surge protection<\/td>\nType II (DC), Type II (AC)<\/td>\n<\/tr>\n
    Weight<\/td>\n~51.9 kg<\/td>\n<\/tr>\n
    Warranty<\/td>\n5 years \/ 10 years (depending on installation location)<\/td>\n<\/tr>\n
    Grid standards<\/td>\nIEC 61727, IEC 62116, CEI 0-21, EN 50549, NRS 097, RD 140, UNE 217002, OVE R25, G99, VDE-AR-N 4105<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

    The max. AC current and max. PV power may vary depending on model variant\/region; please verify the exact dimensions and parallel connection quantity with the current Deye SUN-14\/15\/16\/18\/20K-SG05LP3-EU-SM2 datasheet you have. Protection functions include: AC\/DC overvoltage and overcurrent protection, short-circuit protection, insulation resistance and residual current protection (RCD), ground fault monitoring, anti-islanding protection, DC disconnect, and optional AFCI. <\/em><\/p>\n

    Frequently asked questions about the Deye SUN-15K-SG05LP3 inverter<\/h3>\n

    What does the SUN-15K-SG05LP3-EU-SM2 designation mean?<\/strong>
    \nThe “15K” refers to the 15 kW rated power, the “SG05LP3” to the three-phase, low-voltage (48 V battery) hybrid platform; the 15 kW is part of the higher-power 14\u201320 kW sub-series.<\/p>\n

    What battery does the Deye SUN-15K-SG05LP3 work with?<\/strong>
    \nThanks to its transformer-isolated design, it is compatible with the most common 48 V (40\u201360 V) batteries, whether lithium-ion or lead-acid, with up to 280 A charge\/discharge current.<\/p>\n

    How many solar panels can be connected to the Deye SUN-15K-SG05LP3?<\/strong>
    \nThe inverter has 2 MPPTs with a wide 160\u2013650 V MPPT range, up to 800 V PV voltage and significant PV oversizing, so larger roof areas can also be utilized.<\/p>\n

    Can the Deye SUN-15K-SG05LP3 be installed outdoors?<\/strong>
    \nYes, thanks to IP65 protection and intelligent air cooling, it is suitable for outdoor installation, with an operating temperature range of \u221240 to +60 \u00b0C (with derating above >45 \u00b0C).<\/p>\n","protected":false},"excerpt":{"rendered":"

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