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Growatt WIT-L2+APX ESS

The Growatt WIT-L2+APX ESS is a home battery range from Growatt with 4 models. Models store 86 kWh in Lithium Iron Phosphate cells. Rated AC power 28 kW – 55 kW. Listed and verified: UL 9540. Sold in United States.

Specifications

Capacity
86 kWh
Battery chemistry
Lithium Iron Phosphate
Rated AC power
28 kW – 55 kW
Models in this range
4

Product details

Product type
Home battery
Brand
Growatt · China
Category
Home Battery Storage
Sold in
United States
Listed in
California Energy Commission

Models (4)

Model Nominal capacity Usable capacity AC power Certificate
WIT-L2+APX ESS [28kW, 86.0kWh] 86 kWh 28 kVA
WIT-L2+APX ESS [35kW, 86.0kWh] 86 kWh 35 kVA
WIT-L2+APX ESS [40kW, 86.0kWh] 86 kWh 40 kVA
WIT-L2+APX ESS [55kW, 86.0kWh] 86 kWh 55 kVA

Certifications

CertificationMarketStatusReferenceValid until
UL 9540 United States and Canada ✓ Verified 19 October 2026 Intertek

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