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Huawei, SUN2000-5KTL-L1

Huawei SUN2000-5KTL-L1

Single-phase 5 kW class inverter (4.991 kW) with 2 MPPTs, 7.5 kWp recommended PV and a battery input for Huawei Smart ESS batteries.

AC output
4.99 kW
Max PV input
7.5 kW
MPPT trackers
2
Warranty
10 yrs

Our read of the datasheet

The SUN2000-5KTL-L1 is a single-phase inverter rated at 4,991 W under AS/NZS 4777.2, with 2 kW to 6 kW siblings on the same datasheet. It is battery ready: the DC battery input works with Huawei Smart ESS batteries from 5 kWh to 30 kWh, charging at up to 5 kW, or 2.5 kW with a single 5 kWh battery.

Huawei recommends up to 7.5 kWp of PV, 150% of the AC rating, over two MPPTs rated for 12.5 A each. That current limit is below the operating current of several panels in this guide (about 13.4 A to 15 A at maximum power), so check the panel pairing, or Huawei's optional optimisers, with your installer.

Backup is not built in and needs a separate Huawei Backup Box. Peak efficiency is 98.4% and European efficiency 97.8%, and the unit weighs 12 kg with an IP65 rating. Huawei's Australian warranty conditions list 120 months (10 years) for SUN2000 series inverters.

We have not tested this inverter. This summary follows from the manufacturer's published specifications, checked 23 September 2026.

Strengths

  • Battery input for Huawei Smart ESS batteries (5 to 30 kWh)
  • 98.4% peak efficiency
  • Light at 12 kg
  • Works with Huawei panel optimisers

Things to check

  • 12.5 A per MPPT is below the operating current of several panels in this guide
  • Backup needs a separate Backup Box
  • 150% PV oversizing limit

Specifications

Type
Hybrid
Rated AC output
4.99 kW
Phases
Single-phase
MPPT trackers
2
Max PV input
7.5 kW
Max efficiency
98.4%
Backup
Backup via a separate Huawei Backup Box
Compatible batteries
Huawei Smart ESS battery (LUNA2000), 5 to 30 kWh
Warranty
10 years
IP rating
IP65
Weight
12 kg
Manufacturer datasheet

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