Description
The V-TAC VT-51201-W LiFePO4 battery, with a capacity of 5.12 kWh and a nominal voltage of 51.2V, is a reliable and efficient energy storage solution for residential and commercial photovoltaic systems.
Manufactured by DEYE and branded as V-TAC, this model is technically identical to the renowned SE-G5.1 Pro-B, featuring the same components, the same robust casing and the same quality standards.
✅ The same MCB manufacturer – Tengen – for both this model and the SE-G5.1 Pro-B, confirming the identity of the essential components.
✅ Identical BMS and identical LED layout – the configuration of 3 LEDs at the top and 5 at the bottom, just like in the DEYE model, for clear and intuitive monitoring.
✅ Full compatibility with DEYE hybrid inverters and other brands via CAN and RS485 interfaces.
✅ Versatile mounting: rack-mounted, wall-mounted or stackable, with all accessories included – feet, rack ears and wall bracket.
✅ Complete package: power, parallel and communication cables included as standard.
✅ Consistent performance: up to 6,000 cycles at 80% DOD and efficiency >95%.
Key technical specifications:
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Model: VT-51201-W
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Rated capacity: 5.12 kWh
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Nominal voltage: 51.2V
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Maximum discharge current: 100A
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Cell type: LFP (LiFePO4)
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Number of cycles: ≥6000 (at 80% DOD)
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Operating temperature: -10°C ~ +50°C
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Communication: CAN / RS485
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Protection rating: IP20
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Weight: 46 kg
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Dimensions: 442 x 420 x 133 mm
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Mounting: Rack / Wall / Stackable
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Warranty: 5 years
Key benefits:
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Manufactured by DEYE, with internal components identical to the SE-G5.1 Pro-B model
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Fitted with a Tengen MCB – the same manufacturer used by DEYE
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Identical BMS and familiar LED interface for installers
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Supplied with all necessary accessories – ready for installation
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Ideal for self-consumption, backup and off-grid systems
? Manufactured by DEYE and branded as V-TAC, this model is technically identical to the renowned SE-G5.1 Pro-B, featuring the same components, the same robust casing and the same quality standards.
✅ Nominal voltage: 51.2V
✅ Maximum discharge current: 100A
✅ Communication: CAN
✅ Protection rating: IP20
✅ Warranty: 5 years
Download the technical data sheet
Download manual
