Deye SE-F5 PRO

A battery of this kind is a reservoir of electricity: during the day it collects the energy the panels produce in excess and gives it back in the evening and at night, when the sun no longer works. LiFePO4 chemistry, that is lithium iron phosphate, is the one used today in homes because it is thermally stable and accepts thousands of charges. It requires no maintenance: it is mounted, connected to the inverter and manages its own cells.

The 5.12 kWh cover a typical evening and night consumption of a small house (lighting, refrigerator, television, a few appliances), and at the recommended depth of discharge of 90% about 4.6 kWh remain usable. The continuous current of 100 A at 51.2 V means, as a guide, about 5 kW available, with a peak of 150 A for 120 seconds for starting motors. Over 6000 cycles down to 70% remaining capacity means, at one discharge per day, over 16 years of use (indicative estimate). If you need more, you add modules: up to 32 in parallel, or 64 with CAN-Box. The IP21 enclosure is for dry indoor spaces, it is mounted on the wall, on the floor or stacked and weighs about 44 kg.

LiFePO4, 5.12 kWh nominal, 100 Ah, 51.2 V, range 44.8-57.6 V, compatible with 48 V hybrid and off-grid inverters. Maximum continuous current 100 A on charge and discharge, peak 150 A / 120 s, recommended DoD 90%, over 6000 cycles at 70% EOL. Integrated PACK construction with advanced BMS and active safety: cell voltage, current and temperature monitoring, with balancing. IP21, natural cooling, 404 x 547 x 141 mm, approx. 44 kg. CAN 2.0 and RS485 communication to the inverter, Bluetooth for the Deye app; maximum 32 units in parallel (64 with CAN-Box). 10-year warranty.

Who it suits

Suitable for a house with a 48 V system that wants to cover the evening and the night, or as the first module of a battery bank later extended in steps of about 5 kWh.

Terms explained

• kWh: The unit in which stored energy is measured: 1 kWh means a 1000 W load kept running for one hour.
• DoD (depth of discharge) 90%: How much of the battery's energy is actually used: out of 5.12 kWh about 4.6 kWh are drawn, the rest remains as a reserve so that the cells do not wear out.
• BMS: The electronics inside the battery that supervise every cell (voltage, current, temperature) and disconnect it before a fault can occur.

Technical specifications

Recommended applications

• Residential hybrid photovoltaic systems on 48 V
• Backup for essential household loads
• Increasing self-consumption in single-family homes

Warranty

10 years

Technical details

Specifications confirmed from the manufacturer's datasheet

Low-voltage LiFePO4 storage module from the Deye SE-F family, with a rated energy of 5.12 kWh at 51.2 V and a capacity of 100 Ah. The 44.8-57.6 V working range makes it compatible with 48 V hybrid and off-grid inverters. Recommended DoD 90%, service life over 6000 cycles at 70% EOL. The maximum continuous charge/discharge current is 100 A, with a peak of 150 A for 120 s.

The construction is of the integrated PACK type, with an advanced BMS and active safety, which monitors cell voltage, current and temperature and performs balancing. The IP21 enclosure measures 404 x 547 x 141 mm and weighs approx. 44 kg, with natural cooling. Communication to the inverter is done via CAN 2.0 and RS485, with local Bluetooth monitoring through the Deye app. Up to 32 units can be connected in parallel (64 with CAN-Box).