4019Wh Lithium Iron Phosphate Integrated Backup Power Unit 2000W Continuous Pure Sine Wave UPS Solar Energy System For Home Emergency Off Grid Workshop And Commercial Temporary Power

• Integrated cabinet design with built-in inverter, MPPT solar controller and LFP battery pack — plug in and commission easily
• 2000W continuous pure sine wave AC output, compatible with home appliances, power motors and precision electronic equipment
• 10ms ultra-fast UPS transfer function to maintain power continuity during mains failure
• PV input working window of 30–400Vdc with maximum solar input power of 3000W and MPPT peak efficiency reaching 99%
• Broad AC input voltage coverage of 90–280Vac, adapting to unstable grid conditions in different regions worldwide
• Premium LFP battery chemistry with high thermal safety and up to 6000 charge cycles
• Optional WiFi monitoring module for remote checking of running status and energy data
• Complete multi-layer protection: overload, short-circuit, over-temperature, battery overvoltage, battery undervoltage and PV reverse polarity prevention
• IP31 protection rating against dust and dripping water, with working noise below 55dB
• Compact footprint and flexible layout, suitable for fixed installation and mobile power deployment

The YF-4000 energy backup unit suits diversified power demand scenarios. It acts as core emergency power for residential properties to sustain refrigeration, lighting and communication devices during blackouts. It delivers consistent uninterrupted power supply for medical apparatus that cannot afford power cuts. It serves as a reliable power source for remote cabins, off-grid workshops and field work stations to operate power tools and workshop equipment. It is well suited for medium camper van and mobile workspace renovation. It can also supply stable temporary electricity for exhibition venues, weekend markets, food stalls and various outdoor commercial gatherings.

We provide flexible custom solutions for bulk distributors and system integrators. Custom branding options include silk-screen logo, laser engraving and exclusive custom housing color. We can adjust firmware logic and communication protocols to satisfy special project specifications. Multiple packaging selections are available, including neutral export cartons, custom retail color boxes and branded outer cases. Matching accessory bundles with PV extension cables, terminal connectors and adapters can be supplied as sales kits. We welcome long-term distribution cooperation and large-scale engineering project orders.

Our technical team delivers one-on-one pre-sales consulting service to help clients select suitable configurations matching local grid codes. Complete certification files, inspection reports, datasheets and user manuals will be provided for customs clearance and online listing. All bulk shipments are covered under standard factory warranty terms. Remote technical guidance, fault troubleshooting and spare parts supply are accessible throughout the service cycle. Custom operation training documents can be prepared for your sales and aftersales teams. Every single unit passes comprehensive function testing before shipment to lower field failure risks.

Each YF-4000 unit is packed in a heavy export carton with thick shockproof inner foam to prevent damage in long-distance transit. The standard package includes the main unit, AC charging cable, PV connection cable and user manual. We support sea freight, air freight and container consolidated shipment for bulk purchase. Custom power station retail packaging can be arranged if you need branded retail packing.