80S LifePO4 BMS 256V 125A Relay HV BMS

• Voltage Range: 96V-750V
• Rated Current: 125A
• The 3.5-inch and 7-inch external displays are optional.
• Parallel: Supports up to 15 BMS connected in parallel.
• Compatible with most well-knowninverters on the market.
• Monitor and manageLFP, LTO, and NMC batteries.
• Application:Residential ESS, Industrial & Commercial ESS, UPS System,etc.

BMS Configuration:

80S 256V 125A master BMS * 1set
16S slave BMU * 5sets
16S wire harness * 5sets (16S 51.2V battery pack, 5 battery packs connected in series for 80S 256V 125A system.)

BMS Features：

• Flexible Configuration

Can be configured as a two – level or three – level architecture, suitable for a wide range of applications from KWh to MWh.

• Multiple Protection

Supports overcharge, over – discharge, over – current, over – temperature, and short – circuit protection.

• Voltage Range (120–750V)

The GCE 3U high – voltage BMS can manage up to 750V DC per battery rack, and up to 15 racks can be paralleled with the addition of an SBMS.

• Insulation Detection Function (Optional)

Supports independent insulation detection for each rack in the energy storage system.

• Advanced Battery Balancing Function

With advanced battery balance technology, customers can flexibly adjust the balance conditions of cells and battery modules according to the battery’s status.

• Data Storage

Supports data storage, local data storage in run – time, and power – down mode saving functions.

• Multiple Communication Interfaces

Supports RS485, CAN, Ethernet, and dry – contact input/output communication interfaces. It is compatible with the protocols of most well – known inverter/PCS & UPS brands in the market.

• SOC/SOH Calculation

Supports accurate estimation of the State of Charge (SOC) and State of Health (SOH) of battery cells and racks.

• Real – time Monitoring

Supports real – time detection of the battery’s safety status, fault diagnosis, and warning.

Specification:

Basic Parameters	Current	125A
Basic Parameters	Rated voltage	96-750V（Optional）
Basic Parameters	Power consumption	≤15W
Basic Parameters	Current sampling accuracy	1%FSR
Basic Parameters	Insulation withstand voltage	2800VDC ＜1mA 1min
Basic Parameters	Protection level	IP20
Basic Parameters	Dimension（W*H*D）	482 * 132 * 500（mm）
Basic Parameters	Net weight	16Kg
Communication Port	Communication port with BMU	CAN
Communication Port	Communication port with UPS	RS485/CAN
Communication Port	Communication port with SBMS	RS485/CAN
Communication Port	Communicate with PC software	Ethernet
Basic Functions	Battery charge & discharge management	Support
Basic Functions	Battery temperature management	Support
Basic Functions	IAP upgrade	Support
Basic Functions	System protection parameter setting	Support
Basic Functions	Short circuit protection	Support（6KA 20ms）
Basic Functions	Precharge function	Support
Basic Functions	Parallel loop current control	Support
Basic Functions	Event record	Support 5000 records
Basic Functions	Middle line system	/
Basic Functions	Dual power supply	Support
Optional Functions	Monitor insulation	≥300V (Optional)
Optional Functions	HMI display	4.3-inch / 7-inch (Optinal)
Optional Functions	Parallel	Support up to 15 RBMS in parallel
Optional Functions	Dry contact	2 dry contact outputs (optional)
Others	Color	Black
Others	Installation	Suitable for standard 19-inch cabinet
Others	Inlet and outlet line method	Front side in and front side out.
Others	Operating ambient temperature	-20℃~60℃
Others	Operating ambient humidity	5%~75%RH
Others	Compliance with national standards	GB/T 16935.1 GB/T 17626.2 GB/T 17626.5
Others	Safety compliance certification	CE