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Zero-E System plus Expansion Battery
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.
| Specifications | |
| Model 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 |
