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The Su-mak 4.2kW PLUS – 200Ah / 25.6V Energy Storage System (ESS) is a high-performance, all-in-one power backup and solar energy storage solution designed for both residential and commercial applications. Built using advanced LiFePO₄ battery technology, this ESS ensures long cycle life, enhanced safety, and consistent power delivery.
Perfect for off-grid, hybrid, and backup use, the system combines a powerful 4.2kW inverter with a 25.6V 200Ah (5.12kWh) lithium battery, providing reliable energy storage for homes, offices, shops, and small industrial environments. Its compact design, smart battery management, and user-friendly interface make it ideal for continuous, stable, and efficient operation.
Safer and more durable than lead-acid and standard lithium batteries
4000–6000 charge cycles ensure long working life
Stable output suitable for all home appliances, computers, and sensitive electronics
Integrated MPPT controller for efficient solar energy utilization
Real-time protection from overcharging, deep discharge, and thermal events
LCD display shows battery health, power flow, load status, and system performance
Supports grid charging and solar charging simultaneously
Ideal for homes, offices, shops, and remote sites
Homes
Small businesses
Telecom
Backup for computers and servers
Solar off-grid systems
Ships within 48 hours · Estimated delivery Jun 22 - Jun 27
US$40
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