8 plug-in ESS units scored · July 2026

Plug-in home batteries (ESS)

Plug-in / DIY energy storage, no switchboard install required. Scored and sorted by class. Tap any unit for its full scorecard.

Every scored product, one mark eachAugust 2026 benchmark · rubric Aug 2026 edition · 8 products

All 8 product scores plotted on the benchmark scale from 40 to 100: lowest 49, highest 71. No product reaches the elite band.

Maker status:no notesfinancial note, still tradinginsolvency / administration / exitDetails on each scorecard

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Plug-in ESS

HiBattery 4020 AC

Manufacturer
Hoymiles
Benchmark range
0.8 kW
Configuration
Configuration and technology tags not recorded
Model
HiBattery 4020 AC
71

Very good

SUN-BK250

Manufacturer
Deye
Benchmark range
2.5 kW
Configuration
Configuration and technology tags not recorded
Model
SUN-BK250
70

Very good

Halo AC

Manufacturer
HYXI
Benchmark range
1.5 kW
Configuration
Configuration and technology tags not recorded
Model
Halo AC
67

Very good

SigenMate 2700 Ultra

Manufacturer
Sigenergy
Benchmark range
3.6 kW
Configuration
Configuration and technology tags not recorded
Model
SigenMate 2700 Ultra
63

Good

Venus E Max

Manufacturer
MARSTEK
Benchmark range
3.6 kW
Configuration
Configuration and technology tags not recorded
Model
Venus E Max
61

Good

Venus E 4.0

Manufacturer
MARSTEK
Benchmark range
3 kW
Configuration
Configuration and technology tags not recorded
Model
Venus E 4.0
60

Good

EP2500

Manufacturer
OUKITEL
Benchmark range
0.8 kW
Configuration
Configuration and technology tags not recorded
Model
EP2500
57

Good

Lake 6

Manufacturer
APsystems
Benchmark range
2.5 kW
Configuration
Configuration and technology tags not recorded
Model
Lake 6
49

Average