Description

SAJ BU3-5.0-TV2-PRO is the LiFePO4 battery module of the HS3 all-in-one storage system, with 5.0 kWh rated energy and 4.8 kWh usable energy at 450 V nominal voltage. It has an integrated DC/DC optimiser and battery management system and is stacked under the HS3 inverter, one to eight modules per inverter.

SAJ BU3-5.0-TV2-PRO

  • 5.0 kWh rated energy and 4.8 kWh usable energy per module; rated capacity 100 Ah.

  • One to eight modules per HS3 inverter: at most four in a ground-mounted stack and three in a wall-mounted stack.

  • Operating temperature -30 °C to +50 °C; IP65; ground or wall mounting.

  • 370 × 695 × 170 mm (H × W × D) and 52 kg per module, without the battery base.

4.8 kWh usable.

Rated energy 5.0 kWh, usable energy 4.8 kWh, rated capacity 100 Ah.

-30 °C to +50 °C, IP65.

The operating temperature range is -30 °C to +50 °C and the ingress protection IP65. A battery heating function can be set in the app; in the default mode heating starts below 5 °C and stops at 15 °C.

LiFePO4 module with DC/DC optimiser and BMS.

SAJ

LiFePO4 module with DC/DC optimiser and BMS.

Each module holds LiFePO4 cells, a pack-level DC/DC optimiser and a battery management system. The nominal voltage is 450 V, the operating voltage 380–500 V and the maximum charging and discharging current 7.9 A per module. The module communicates over CAN.

Technical data

Main figures of the BU3-5.0-TV2-PRO

Rated energy
5.0 kWh
Usable energy
4.8 kWh
Nominal voltage
450 V
Depth
170 mm
About these specifications

5.0 kWh rated energy, 4.8 kWh usable, 450 V nominal voltage.

The BU3-5.0-TV2-PRO has 100 Ah rated capacity, an operating voltage of 380–500 V and a maximum charging and discharging current of 7.9 A. It measures 370 × 695 × 170 mm (H × W × D) and weighs 52 kg without the battery base.
Battery module
Battery type
LiFePO4
Rated capacity
100 Ah
Rated energy
5.0 kWh
Usable energy
4.8 kWh
Nominal voltage
450 V
Operating voltage
380–500 V
Max. charging current
7.9 A
Max. discharging current
7.9 A
Communication
CAN

Documents

Product questions

Which inverters does the BU3-5.0-TV2-PRO work with?

The BU3-5.0-TV2-PRO is listed as the battery for the HS3 three-phase inverter series. The manual's inverter compatibility table covers HS3-3K-T2, HS3-4K-T2, HS3-5K-T2, HS3-6K-T2, HS3-8K-T2, HS3-10K-T2 and HS3-12K-T2 variants.

What are the dimensions and the weight of a BU3 module?

For the BU3-5.0-TV2-PRO the dimensions are 370*695*170 mm (H*W*D) and the weight is 52 kg.

Compatibility records

BU3-5.0-TV2-PRO modules, 1 to 8 per inverter (450 V nominal, 380-500 V window matching the HS3 battery port exactly).