5040Wh Expansion Battery for 4000W Portable Power Station, LiFePO4 Solar Generator Battery Pack

EXPAND YOUR POWER TO 10.08KWH

Add the S5-BAT Expansion Battery to your S5 4000W Portable Power Station and instantly double the total capacity from 5.04kWh to 10.08kWh. Enjoy extended backup power for home emergencies, RV adventures, off-grid living, and outdoor activities.

SEAMLESS PLUG-AND-PLAY CONNECTION

Designed exclusively for the S5 Portable Power Station, the 5040Wh expansion battery connects easily with the included battery cable. Both units charge and discharge simultaneously, providing stable and uninterrupted power without complicated setup.

MASSIVE 5040WH EXTRA CAPACITY

With an additional 5040Wh of energy storage, the S5-BAT keeps essential appliances and devices running longer. It's ideal for refrigerators, CPAP machines, TVs, lights, power tools, and other daily necessities during outages or remote use.

LONG-LASTING LiFePO4 BATTERY

Built with premium LiFePO4 battery cells, the S5-BAT delivers over 4,000 charge cycles and up to 10 years of reliable performance. Enjoy safer, cleaner, and more sustainable energy compared with traditional fuel-powered generators.

ADVANCED BMS PROTECTION

Equipped with an intelligent Battery Management System (BMS), the expansion battery provides comprehensive protection against overcharge, over-discharge, overcurrent, short circuits, and temperature fluctuations, ensuring safe and dependable operation.

RELIABLE POWER FOR HOME & RV USE

Whether preparing for unexpected blackouts, powering your RV, or building an off-grid energy solution, the 5040Wh Expansion Battery offers flexible and scalable energy storage to meet your growing power needs.

What's in the Box

S5-BAT Expansion Battery – 5040Wh

• 1 × 5040Wh LiFePO4 Expansion Battery
• 1 × Battery Connection Cable (0.8 m)
• 1 × User Manual