Growatt APX Commercial BMS 5–8 – 71–114kWh Capacity

£1387.89

The Growatt APX Commercial BMS 5–8 ensures stable and efficient operation of your APX battery system, offering advanced control and communication for systems with up to 8 battery modules.

Supports 5 to 8 APX battery modules in a single stack
Built-in energy management and battery protection protocols
Compatible with Growatt commercial inverters and APX batteries

Why We Recommend This Product: This BMS is essential for maintaining the safety and reliability of medium-sized Growatt APX energy storage systems, ideal for businesses scaling their solar setups.

SKU: APX-BMS-5-8-100083-P1

Free and easy returns | Easy to Install | Professional Installers Available

Growatt APX Commercial BMS 5–8: The Scalable Battery Controller for High-Demand Energy Systems

Engineered for reliability and flexibility, the Growatt APX Commercial BMS 5–8 delivers advanced control over modular battery systems from 71kWh to 114kWh. Ideal for businesses scaling their storage, it supports mixed old and new modules and is fully compatible with Growatt WIT inverters from 50kW to 100kW.

Modular Battery Control with Optimised Safety

This BMS is designed to manage between 5 to 8 APX battery modules with peak-rated output of up to 79.8kW. It ensures consistent, safe operation by controlling system voltage, current, temperature, and individual cell performance.

Rated output power: up to 7.16kW
Max continuous current: 140A
Peak current capacity: 196A for 60 seconds

Built for Harsh Conditions

With IP66 protection and smart air cooling, this BMS can be safely deployed in commercial environments exposed to dust, water, and temperature fluctuations. It maintains peak efficiency across a wide ambient temperature range from –10°C to 50°C.

Expand with Confidence

The system supports scalable installation with a modular and stackable design. Whether you're beginning at 71kWh or expanding up to 114kWh, the BMS seamlessly manages new and existing battery units for long-term reliability.

Why Evergy Recommends This Product

The Growatt APX Commercial BMS 5–8 is the ideal choice for commercial-scale storage requiring flexibility, safety, and reliable performance. It integrates perfectly with Growatt WIT inverters, supports intelligent energy management, and is futureproofed with module-mixing technology. When paired with APX 5.0P Battery Modules, Battery Base, and the Parallel Cable Kit, this BMS enables rapid deployment of high-capacity systems.

Ideal for Commercial Energy Storage Projects

This model is a perfect fit for factories, warehouses, and other sites with high energy loads that demand a robust, efficient and intelligent battery management layer.

Technical Specifications

Usable capacity range: 71.68kWh to 114.68kWh
Operating voltage: 102.4–143.36V
IP rating: IP66 for outdoor installation
Dimensions: 645 x 490 x 180mm (W x H x D)
Weight: 21.5kg

For a complete list of technical details, see the datasheet or the product's specification tab.

System Integration and Internal Links

Explore compatible products to build a complete Growatt system:

Growatt Inverters — WIT and MOD commercial ranges
APX 5.0P Battery Module — high-performance LFP battery units
Solar Mounting Systems — for clean and secure installations

FAQ

Can I expand the system in future?
Yes. This BMS supports adding additional battery modules up to a total of 8 for increased capacity.

Which inverters is it compatible with?
It’s optimised for use with Growatt WIT 50–100kW inverters.

Explore the Full System

Ready to scale your commercial storage? Contact our team to design a tailored setup using Growatt’s APX range and ensure full compatibility from inverter to battery base.

APX-BMS-5-8-100083-P1 Datasheet

Free delivery -

NEXT DAY Delivery to Oxfordshire, Buckinghamshire and London via an EVERGY vehicle. Max of 1 ton weight.

Other delivery options via courier -

FREE NEXT DAY (*orders over £50, some batteries and inverters will require an additional fee) via FEDEX. Monday to Friday, up to 30kg, Max box size 50cm x 50cm x 50cm (volume). Orders must be received by 2pm.

Anytime NEXT DAY delivery – under £50 = £6.50 (depending on location, weight and size)

Regardless of spend, additional to any of the above charges –

Before noon (FedEx Priority Express) = Guide Price £15.00 (calulated at checkout)

Before 10am (FedEx First) = Guide Price £20.00 (calulated at checkout)

Delivery of pallets -

Palletised deliveries – Prices starting at £58

Multiple pallet orders can be quoted upon request (price dependent on number of pallets and postcode area)

Special delivery items may vary (non-stock products).

SAME DAY COLLECTION - Click & collect from Evergy Stores (Thame, Oxfordshire).