Deye BOS-B Pro-A3 High Voltage Battery

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Product Description

Uni Z International B.V. +31610999937

Uni Z International B.V. [email protected]

BOS-B Pro-A3 is a modular C&I battery solution built for scalable on-grid and backup applications. It combines high-energy LFP battery modules with an architecture that supports broad system expansion and fast source transfer via STS, helping maintain continuity for critical loads. With a high nominal energy capacity per rack and a recommended 90% DoD usable window, the platform is engineered for long-term cycling performance and efficient integration with PCS/MPPT solutions. The rack-mounted format, wide operating temperature range, and 10-year warranty make it well-suited for commercial sites that need reliable storage capacity growth over time.

Nominal energy	257.23 kWh
usable energy	231.51 kWh (recommended 90% DoD)
Battery module	16.08 kWh per module; 51.2 V; 314 Ah
Battery module qty in series (optional)	5–16
Max charge/discharge current	180 A
STS transfer time	≤20 ms
PCS efficiency	≈98.5%
MPPT performance	>99%
Operating temperature	–20°C to 55°C
Dimensions (W×H×D)	2150 × 1305 × 800 mm
System weight	Approx. 2240 kg
Warranty	10 years

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Welcome to Uni Z International B.V.

Uni Z International B.V. is committed to providing you with a full range of solar energy storage products and solutions. We guide the industry and provide you with products at more favorable prices, more timely logistics and delivery, and more secure after-sales and technical support. Deye BOS-B Pro-A3 High Voltage Battery Suppliers and Company in China. We bring you one-stop solutions for smarter, more efficient and more reliable photovoltaic energy storage products. Wholesale Deye BOS-B Pro-A3 High Voltage Battery.

We not only provide high-end solar energy storage products and technologies, but also provide you as an installer with comprehensive training and technical support. We believe that only if you have the latest knowledge and skills can our end customers enjoy the advantages of more advanced solar technology.

At Uni Z International B.V., we not only provide products, but also seek to establish a long-term and close partnership with you. We look forward to working with you to meet the challenges and opportunities of the future of solar energy.Start your solar energy journey, choose Uniz Solar and move towards a cleaner, more sustainable future!

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