Growatt SPH 10000TL3 BH-UP — 10,000 W Three-Phase Hybrid with Full-Power Backup and <10 ms Transfer

⚡ Quick answer

What is the SPH 10000TL3 BH-UP?

  • AC output: 10,000 W (10,000 VA), three-phase 230/400 V, 15.2 A max output current
  • PV input: 7,500 W per MPPT × 2 = 15,000 W maximum (DC/AC ratio up to 1.5)
  • Battery: high-voltage 100–550 V, 25 A max charge/discharge, 10,000 W continuous, lithium or lead-acid
  • Backup: full 10,000 W at 230/400 V, transfer in under 10 ms, output THDv below 3%
  • Build: IP65, fan-free natural convection, 30 kg, 98.2% peak efficiency, 5-year warranty extendable to 10

The Growatt SPH 10000TL3 BH-UP is a 10,000 W three-phase hybrid inverter that does two jobs at once: cutting daytime consumption from solar, and keeping the property running when the grid fails. Unlike many hybrids it delivers full rated power in backup mode — 10,000 W, not a reduced subset — and transfers in under 10 milliseconds, fast enough that computers, refrigerators and most electronics never notice. It works with high-voltage batteries in the 100–550 V range, the standard for current-generation HV lithium storage.

What is the SPH 10000TL3 BH-UP, and how does it differ from low-voltage hybrids?

The SPH BH-UP is Growatt's high-voltage-battery three-phase hybrid. The key difference from 48 V low-voltage hybrids is current: at the same power, a high-voltage system carries far less current, so cabling is smaller, resistive losses are lower and everything runs cooler. The trade-off is that HV batteries cost slightly more per kWh and must be purpose-built for this voltage window — an existing 48 V battery bank cannot be connected. The phrase "full-power backup" is also worth understanding. Many hybrids deliver only part of their rated output during an outage, which forces you to choose which circuits to protect. This model supplies the full 10,000 W in backup mode, so the protected load can be much broader. In practice, though, deliverable backup power is still bounded by the installed battery's capacity and current limits — sizing the battery matters as much as choosing the inverter.

Highlights from the datasheet

  • Full 10,000 W backup: no need to restrict backup to a small essential-loads panel; it can carry a large home or small business outright
  • Under 10 ms transfer: fast enough that computers, fridges, routers and POS systems keep running through an outage
  • 100–550 V high-voltage battery: lower system current than 48 V at equal power, meaning thinner cable runs, lower losses and less heat
  • 15,000 W PV input: across two 7,500 W MPPT trackers, allowing a DC/AC ratio up to 1.5
  • Lithium or lead-acid support: flexible on chemistry, though we specify LiFePO4 in practice for its far longer cycle life
  • Clean backup waveform, THDv under 3%: suitable for sensitive electronics — audio equipment, home medical devices, small servers
  • IP65 with passive cooling: no fan, so it runs silently with no rotating parts to replace

Key specifications (SPH 10000TL3 BH-UP)

Specification Datasheet value
AC nominal power10,000 W
Max. AC apparent power / Max. output current10,000 VA / 15.2 A
No. of MPP trackers / PV strings per MPP tracker2 ตัว / 1 สตริงต่อ MPPT (กระแสเข้าสูงสุด 13.5 A, Isc 16.9 A)
MPP voltage range120V-1000V/600V (แรงดันเริ่มทำงาน 120 V)
Max. DC voltage1,000 V
Max. recommended PV power (for module STC)7,500 W × 2 (รวม 15,000 W, DC/AC ratio สูงสุด 1.5)
Max. efficiency / European efficiency98.2% / 97.5% (Euro battery discharge efficiency 97.4%, MPPT 99.9%)
AC grid connection type3 เฟส 3W+N+PE, 230V/400V (310–476V), 50/60 Hz
Battery voltage range100–550 V
Max. charging and discharging current25 A
Continuous charging and discharging power10,000 W
Type of batteryลิเธียม / ตะกั่วกรด (Lithium / Lead-acid)
Backup AC output power / Switch time10,000 W (10,000 VA) 230V/400V, THDv <3%, สลับ <10 ms
Protection degree / Operating temperature rangeIP65 (ระบายความร้อนแบบธรรมชาติ) / −25°C ถึง +60°C
Dimensions (W/H/D) / Weight505 / 453 / 198 มม. / 30 กก.
Warranty5 ปี (มาตรฐาน) ขยายเป็น 10 ปีได้เป็นตัวเลือกเสริม

Note: every figure above comes straight from the Shenzhen Growatt New Energy Co., Ltd. datasheet. Actual system design (strings per MPPT, cable sizing, breakers) must be calculated for each site.

Why this model suits Phuket

  • Storm-season outages: Phuket's long rainy season brings periodic outages; full-power backup keeps a home or business running without a generator
  • Large homes and villas on three-phase: properties with multiple air-conditioners and pool pumps usually have three-phase meters, matching this inverter
  • Rental villas: guests who experience a night-time outage mention it in reviews; sub-10 ms transfer means they never notice
  • Humidity and salt air: IP65 handles outdoor conditions, but on coastal properties we always mount it shaded and away from salt spray

Who it suits

  • Large three-phase homes with bills above 8,000 THB/month: 10 kW covers the daytime load with surplus to charge the battery for evening use
  • Pool villas wanting savings plus outage cover: pool pump scheduled for daylight hours, battery carrying bedroom aircon and lighting at night
  • Short-term rental villas: where an outage directly affects the guest experience and reviews
  • Small businesses that cannot stop: clinics, small restaurants, cold rooms, offices running servers
  • Owners planning to add storage later: install the hybrid now, add batteries when budget allows, without replacing the inverter

Summary

The Growatt SPH 10000TL3 BH-UP suits larger Phuket homes, pool villas and small businesses that want both lower daytime bills and power through outages. It delivers full 10,000 W backup with sub-10 ms transfer, uses 100–550 V high-voltage batteries for lower system current and smaller cabling, and accepts up to 15,000 W of PV across two MPPT trackers.

See other models from this brand on the Growatt overview, or browse all the equipment we install.

Download the datasheet (PDF) — full manufacturer specification sheet

Frequently asked questions

What are the key specifications of the Growatt SPH 10000TL3 BH-UP?

A three-phase hybrid inverter rated at 10,000 W (10,000 VA) with 15.2 A maximum output current, accepting up to 15,000 W of PV across two 7,500 W MPPT trackers. Battery voltage window is 100–550 V with 25 A maximum charge and discharge current and 10,000 W continuous. Backup output is the full 10,000 W with transfer under 10 ms, peak efficiency 98.2%, IP65 enclosure, 30 kg.

What does full-power backup actually mean in practice?

In backup mode the inverter can supply its full 10,000 W rating rather than a reduced figure, so the protected load can be much broader. Real-world backup output is still limited by the installed battery's capacity and current rating, so battery sizing is as important as the inverter choice.

Can I use my existing 48 V battery bank?

No. This model is designed for high-voltage batteries in the 100–550 V range only. If you already own 48 V storage, a low-voltage hybrid inverter is the correct match. We always check existing equipment during the site survey before proposing a design.

How much battery capacity do I need?

Multiply the load you want to back up by the hours you want it to run. A home backing up bedroom aircon, lighting, a refrigerator and a water pump — roughly 1.5–2 kW — for 6–8 hours needs about 10–16 kWh of usable capacity. We size this from each property's actual consumption pattern before quoting.

Can I install the inverter now and add batteries later?

Yes, and many owners do exactly that: install the hybrid inverter and array first to start saving immediately, then add storage when budget allows, with no inverter change required. That is the advantage over fitting an on-grid inverter first, which would have to be replaced to add batteries.

Want a hybrid system with real backup power, built around the Growatt SPH 10000TL3 BH-UP?

Free site survey and system design, with no obligation.

Get a free quote