DATASHEET

GrapheneBBU BBU 800

Battery Backup Unit (BBU) for backup power with ultra‑fast charging capability
Integrated GaN DC/DC converter and battery management system (BMS)
Available with 800 VDC or ± 400 VDC configurations
19” EIA/MGX-rack compatible, 4U high, modular design
Liquid-cooled for high-power thermal performance
Skeleton Technologies patented curved graphene energy storage technology

GrapheneBBU BBU 800: Electrical
Electrical	Value	Unit
Nominal output voltage	800	VDC
Operating voltage range	540–880	VDC
Peak charging power	120	kW
Peak discharging power	125	kW
Nominal charging power	80	kW
Nominal discharging power	110	kW
Nominal energy	2.1	kWh

GrapheneBBU BBU 800: Mechanical
Mechanical	Value	Unit
Target installation	19	“ (EIA/MGX)
Height	176	mm
Width	448	mm
Cabinet depth	808	mm
Overall depth	899	mm
Weight	100	Kg
Cooling type	Liquid
Max. operating altitude	2000	m

Withdrawable superbattery trays for easy maintenance with minimum module downtime. Hot-swap-ready architecture.

GrapheneBBU BBU 800: Communication interface
Communication interface
Communication interface	2x Ethernet
Main interface protocol	Redfish
Additional protocols or IOs	On request

Block diagram

Figure 1 Device block diagram. There are two removable modules for ease of maintenance and flexibility for 800 VDC or ± 400 VDC support.

Typical application

Figure 2. Typical datacenter application of BBU. Multiple BBU can be placed in parallel for higher performance.