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The FIRMAN Zero-E Energy Storage System delivers clean, emission-free power wherever you need it—perfect for homes, apartments, RVs, and vehicles. With 4,000 starting watts and 2,000 running watts, the Zero-E can power small to medium appliances, electronics, and essential devices.
Featuring advanced EPS (Emergency Power Supply) pass-through technology, the Zero-E automatically backs up your fridge, modem, sump pump, or security system during an outage—switching to battery power in milliseconds. Its Lithium Iron Phosphate battery ensures safe operation, 4,000+ charge cycles, and long-term reliability.
Need more runtime? Easily expand with slide-on Zero-E batteries—up to 10 add-ons for a total of 11,440Wh capacity. Power up your devices with six 120V outlets, a TT-30R RV outlet, four USB-A ports, two 100W USB-C ports, a 12V cigarette outlet, a 12V DC port, and a Qi wireless charger.
Recharge the Zero-E your way: from a standard wall outlet, your vehicle’s 12V socket, or up to 400W of solar input. Whether you're preparing for emergencies or living off-grid, the Zero-E is your all-in-one portable power solution.
Features
In FIRMAN, we are always striving for the best in portable powerhouses. We take pride in our generators' impeccable performance and design.
The ZERO-E is packed with features that prepare you for almost any situation you find yourself in, indoors.
We are proud to have designed a portable power station that is not only highly reliable, ultra-quiet, and incredibly safe, but is also great for the planet we live in.
1040WH
Capacity
1 Hour to 80%
Quick Charge
2000W
Continuous Power
4000W
Peak Power
What's Included ?
also in the box
AC Charging Cord
Manual Included
MC4 to EC5 DC Charging Cord
Storage Bag
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Car Charging Cable (Cigarette Lighter to EC5)
EXPERIENCE
ZERO-E’s easy-to-use control panel puts you in control. With zero required maintenance, effortlessly enjoy one of the most advanced portable power stations for almost any task indoors.
HIGHEST SAFETY STANDARDS
At FIRMAN, we never compromise on safety in bringing you the most advanced generators in the industry.
The ZERO-E portable power station is a safe yet powerful for most of your indoors power needs — with zero emissions and zero carbon monoxide.
CHARGE & DISCHARGE
FIRMAN’s supercharging technology allows you to charge the ZERO-E up to 80% in just ONE hour. The ZERO-E can be charged using any one of the following:
- 120 Volt Power from a house or a generator
- Up to 400 Watts of Solar Power
- With 12 Volt Power from a vehicle
- USB-C (Bidirectional x 1) charging 5V⎓3A/9V⎓3A/12V⎓3A/15V⎓3A/20V⎓4.95A 99W
Charge almost any device with a large selection of outlet options:
- [4] 120 volt AC outlets
- [1] 30 AMP RV Ready Outlet
- [4] USB-A outlets
- [2] 100 Watt USB-C Outlets
- Wireless Phone Charging
- USB-C power delivery input and output
- RV-ready with TT30R outlet
Utility
At FIRMAN, we are constantly pushing the boundaries, so that you can do the same in every aspect of your life. This is strong, safe, and eco-friendly power you can take almost anywhere.
Designed to serve you
Gaming
Computer 200W
Console 150W
TV 58.6W
Mini Fridge 75W
Speaker 100W
Fan 60W
Specifications
As one of the world's largest manufacturers of portable generators, we pride ourselves on the unparalleled quality of our products. The ZERO-E is packed with features that prepare you for almost any situation or circumstance you find yourself in.