DeyeHigh-voltage battery4 kWh

GB-SL / GB-SL Pro

The GB-SL / GB-SL Pro is a high-voltage battery system: modules are stacked in series and connect to a high-voltage hybrid inverter. It comes in 2 models, 4 kWh.

We quote it on its own or together with a Deye hybrid inverter and the accessories the system needs. Availability, lead time and delivery to your site are confirmed in the written quotation.

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No prices online: every order is quoted in writing.

Manufacturer's category: High Voltage Series (HV)
Rating: 4 kWh
Chemistry: LiFePO4
Models on this page: 2

Models

Model	Rating
GB-SL	4 kWh
GB-SL Pro	4 kWh

Technical specifications

Values as published by the manufacturer, one column per model where the manufacturer's table has them.

Model

Technical Specifications
Model	GB-SL / GB-SL Pro
Battery Chemistry	LiFePO4
Battery Module Capacity	40 Ah
Communication Port	CAN2.0 / RS485
Thermal Management	Natural Cooling
System Operating Voltage	179.2 V~691.2 V
Battery Module Energy	4kWh
IP Rating of Enclosure	IP65
Warranty Period	10 years

Product Summary
Certification	CE IEC 62619 VDE 2510-50 UN38.3

Documents

Brochure (2026-02-02)Datasheet · EN · 3.2 MB · PDF ↗
User manualManual · 9.2 MB · PDF ↗

All documents open from the manufacturer's own servers, so you always get the file Deye currently publishes. Most are in English.

Key features

As listed by the manufacturer.

ALL IN ONE: Integrated design,beautiful appearance and scene integration
Maximum output: 10% unbalanced output, each phase; Max.output up to 60%rated power
Maximum connection: Max.10pcs parallel for on-grid and off-gridoperation
More support: Support storing energy from diesel generator
Thermal management: Temperature detection of key parts, cell, power plug-in, etc
Wide temperature operation: The heating function is optional to meetthe application scenarios with low temperature and no sense

A high-voltage battery needs a high-voltage hybrid inverter. Deye's hybrid inverters are on our inverter site; check the compatibility list in the inverter datasheet.

deye-inverters.com

Independent dealerSECURISTIKA SRL is an independent dealer of Deye products. This website is not affiliated with, endorsed by or operated by the manufacturer.

Specifications, features and documents as published by the manufacturer. Check the current datasheet before you order. Source page (opens in a new tab)