JIEYO 4000 W Portable Power Station – 4378Wh LiFePO₄, Pure Sine Wave, MPPT

The JIEYO 4378wh delivers reliable off-grid and backup power in a compact, durable body. With a long-life LiFePO₄ pack, a 3000W pure sine wave inverter and MPPT solar charging, it’s built for home emergencies, camping and mobile work.

High-Performance Lithium Iron Phosphate Technology

• System Voltage: 25.6 V

• Battery Capacity: 4378 Wh (LiFePO₄)

• Cycle Life: 6000+ cycles (typical use)

• Stable & Safe: inherently thermal-stable chemistry with BMS protections

Pure Sine Wave Inverter & AC Output

• Rated Power: 4000 W pure sine wave (built-in inverter)

• AC Output: 2 outlets — 220V/50Hz or 110V/60Hz (model dependent)

• Clean power for sensitive electronics: laptops, medical devices, instruments

Fast, Flexible Charging & DC I/O

• Power Sources: AC adaptor, car, solar panel, gas generator

• MPPT Controller: high-efficiency solar charging

• DC Outputs: 2× USB-A QC3.0 18W, 2× USB-C PD 36W, cigar lighter/RV port

• Convenient Type-C fast charge for phones, tablets and cameras

Portable, Durable Design

• Weight: ≈ 70 kg — easy to move for indoor/outdoor use

• Rugged enclosure for travel, RVs and job sites

Built-In Smart Battery Management System (BMS)

• Real-time monitoring of voltage, current, temperature and state of charge

• Over/under-voltage, over-current, short-circuit and temperature protection

Versatile Applications

• Home backup & outages — keep routers, lights and laptops online

• Camping / RV / outdoor work — quiet, fuel-free power anywhere

• Off-grid & solar — efficient PV charging with MPPT

Why Choose JIEYO

• Certifications: CE, FCC, RoHS, MSDS, UN38.3

• Brand / Origin: JIEYO · Guangdong, China

• OEM/ODM: labeling, accessories and packaging available

• Proven reliability across residential and field deployments

Model: JY1K4378 — a dependable 4378Wh LiFePO₄ power station with4000W pure sine output and MPPT, delivering safe, clean and portable energy wherever you need it.