Zero-E System plus Expansion Battery 1 / 12
FIRMAN Power Equipment

Zero-E System plus Expansion Battery Zero-E System plus Expansion Battery

SKU: E201002

Brand FIRMAN Power Equipment Out of Stock
$1,699.99 Out of Stock
No sales tax collected at checkout where applicable.
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Zero-E System plus Expansion Battery

Out of Stock
Zero-E System plus Expansion Battery
Quantity$1,699.99 each
1

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.

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Zero-E System plus Expansion Battery
Package Includes
1x Zero-E System plus Expansion Battery
Includes the selected item based on the current package option.
Specifications
Selected variant SKU E201002
Energy Capacity 1040 Wh
Power Output 2000 W continuous; 4000 W surge
Output Waveform Pure Sine Wave
Parallel Output 4000 W
AC Outputs 4 ports; 120VAC 20A
RV AC Output 120VAC 30A
Solar Input 400 W maximum
DC Input Voltage 1-70VDC; do not exceed 70VDC
AC Input 120VAC 15A maximum
DC Output 12V 10A
Vehicle Charging Output 12V/24V; 10A maximum
USB-A Outputs 4 ports; 5V 3.1A maximum
Wireless Charging On/off
Included Accessories MC4 to EC5 DC charging cord; 5-15R AC charging cord; cigarette to EC5 DC charging cord; storage bag
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User Manual
Installation instructions, setup guidance, operation, and troubleshooting.
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Frequently Asked Questions

Clear answers to common questions about this product, setup, compatibility, and use.

Is E201002 a standalone expansion battery? No. FIRMAN lists E201002 as a ZERO E system plus expansion battery. Check the selected package and included components before comparing it with the battery-only SKU. What battery chemistry does the system use? FIRMAN identifies the ZERO E system as lithium iron phosphate (LiFePO4).