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Product Features

Stable Power Output

Provides 51.2V nominal voltage, 200Ah nominal capacity and 10240Wh rated energy for residential energy storage and backup power systems.

Smart BMS Protection

Supports stable charging and discharging with 200A continuous discharge current, 400A peak discharge current and IP54 protection.

CAN / RS485 / RS232 Communication

Communication support helps integrate the battery with residential energy storage systems, inverters and monitoring equipment.

Long Cycle Life

Catalog cycle life is >4000 at 25°C, 0.5C and 100% DOD for long-term residential energy storage applications.

Technical Specifications

EF51200W-L Product Parameters

Main Parameters
ModelEF51200W-LNominal Voltage51.2V
Maximum Charge Voltage57.6VDischarge Cut-off Voltage43.2V
Nominal Capacity200AhRated Energy10240Wh
Electrical Performance
Maximum Charge Current200AMaximum Continuous Discharge Current200A
Maximum Peak Discharge Current (5S)400AMaximum Series & Parallel16P
Temperature & Protection
Charge Temperature0~+55°CDischarge Temperature-20~+65°C
Communication PortCAN / RS485/RS232IP Rating of EnclosureIP54
Protection LevelIP54Storage Temperature(℃)-20~+45°C
Physical & Installation
TerminalsM8Dimension490*680*217mm
Weight86kg
Lifecycle & Compliance
Cycle Life>4000

FAQ

What is the EF51200W-L and where is it used?

The EF51200W-L is intended for wall-mounted residential solar storage and backup-power systems. Its listed core specifications are 51.2V nominal voltage, 200Ah nominal capacity, 10240Wh rated energy. Final compatibility must be confirmed against the equipment voltage, load and mechanical space.

How should the EF51200W-L be charged?

Use a charger whose chemistry, voltage and current settings match the EF51200W-L. The listed charging limits are maximum charge voltage 57.6V, maximum charge current 200A. Charger profile, connector polarity and BMS settings should be verified before use.

What discharge performance does the EF51200W-L provide?

Discharge capability must be matched to the equipment's continuous and startup loads. The listed values are discharge cut-off voltage 43.2V, maximum continuous discharge current 200A, 5-second peak current 400A, cycle life >4000. Cable gauge, fusing and protection settings must be sized for the complete system.

What are the size, weight and temperature limits of the EF51200W-L?

For the EF51200W-L, the listed physical and environmental specifications are dimensions 490*680*217mm, weight 86kg, charge temperature 0~+55°C, discharge temperature -20~+65°C. Connector, wire and enclosure options can change final dimensions and weight.

Can the EF51200W-L be customized for an OEM project?

Hysincere can review the EF51200W-L for OEM/ODM integration, including connector, wire, enclosure, BMS and labeling requirements. Product-specific notes: listed communication: CAN / RS485/RS232; listed series/parallel support: 16P; protection level: IP54. Provide the device voltage, normal and peak current, installation space, operating temperature and required certifications for engineering confirmation.

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