Rated Capacity | 1040Wh |
Cycle Life | >4000 complete cycles to 80% capacity |
Storage Temperature | -20 ~ 40 °C (-4 ~104 °F) |
Discharging Temperature | -20 ~ 40 °C (-4 ~104 °F) |
Charging Temperature | 0 ~ 40 °C (32 ~104 °F) |
Shelf Life | 12 Month |
Firman
FIRMAN POWER PACK +1000
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Looking for more power than the base ZERO-E? You've come to the right place.
With FIRMAN, you can connect as many as 10 power packs to your ZERO-E.
These stackable power packs will give your ZERO-E the boost to tackle almost any task. They are powered by the same gasless, sustainable technology - zero emissions and no maintenance required.
Ultra-quiet, clean, and dependable power for everything you need — and also good for the environment. So you can do all the things you ever wanted to do, guilt-free.
Note: The ZERO-E Power Pack only works as an add-on to the ZERO-E, and not on its own.
FEATURES
Add extra power to your ZERO-E PORTABLE POWER STATION with the Power Pack+ 1000, for almost any challenge life may throw your way.
Inspired by the same unparalleled commitment to quality, we take pride in the impeccable performance of our generators and accessories.
Stack up to 10 Power Pack+ 1000s to your ZERO-E and conquer your tasks the FIRMAN way!
We are proud to have designed a portable power station system that is not only highly reliable, ultra-quiet, and incredibly safe, but is also great for the planet we live in.






*3-YEAR WARRANTY
*1040 WATT-HOUR RECHARGABLE LITHIUM ION BATTERY
*WEIGHS ONLY 26.5 LBS
*SCALABLE UP TO 10 EXPANSION PACKS (WITH ZERO-E HEAD UNIT)
*OVER 4K CYCLES TO 80%+ CHARGE
*ZERO EMISSIONS, ZERO FUMES

Capacity -1040WH
Quick Charge - 1 HOUR TO 80%
25 Ah / 41.6 V
EASY TO USE - Slide Lock-in Technology
EXPERIENCE
With FIRMAN, you are always in control. The Power Pack+ 1000 lets you slide in added power and take your ZERO-E to the next level.
Enjoy our lateset addition to a range of advanced portable power stations, for almost any task, indoors or sheltered.
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SAME UNPARALLELED SAFETY STANDARDS
Adding to the lineup of the some of the safest generators and power accessories ever built, FIRMAN has rigorously stuck to its impeccable standards of safety.
Unlike fossil fuel generators, the Power Pack+ 1000 — like the ZERO-E — is built for the indoors, with zero emissions and zero carbon monoxide.

EFFORTLESSLY CHARGE
Charge the Power Pack+ 1000 effortlessly with any one of these options to add extra power to your Zero-E Portable Power Station:
- AC Charger 200W — Input: 110V - 230V, 50/60Hz
- MPPT Charger 400W max. — 95% MPPT Efficiency Input:10V - 70V
- DC Input Port (XT60) Rated up to 45.5V/20A.
- USB-C (Bidirectional x 1) 5V⎓3A/9V⎓3A/12V⎓3A/15V⎓3A/20V⎓4.95A 99W. The total charg port- Expansion Port 41.6V / 65A max.
UTILITY
At FIRMAN, the most durable, gassless generator only keeps getting better. You can effortlessly add more power to your ZERO-E to conquer most of your task.
We are constantly pushing the boundaries, so that you can do the same in every aspect of your life.
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 Portable Power Station and the Power Pack+ 1000 are packed with features that prepare you for almost any situation you find yourself in. (120V only).
MAIN UNIT
INPUT
AC Charging Watts | 400W |
MPPT Watts | 400W |
Car Charging Watts | 240W |
USB-C PD Watts | 100W |
OUTPUT
USB-C PD Watts | 100W |
CONTROL PANEL
LED Level Display | Yes |
Main Power Switch | Yes |
USB-C PD In&Out 100W | Yes |
XT60 DC Input | 1 |
Expansion Pack Male Connector | Yes |
Expansion Pack Female Connector | Yes |
XT60 Cover | Yes |
BATTERY PACK&BMS
Battery Cell Spec | LI-FUN 25Ah 3.2V |
Battery Type | LFP |
Pack Configuration | 13S1P |
Cooling | NA |
Rated Charging Current | 35A |
Rated Discharging Current | 65A |
Overcurrent Protection | Yes |
Temperature Protection | Yes |
Short Circuit Protection | Yes |
Balance Management | Yes |
PACKAGING
UPC Code | 840876105016 |
Carton Dimensions | 19.7x15x11.4 |
Carton Weight | 31.5 |
Product Dimensions | 15.4x10.6x8.3 |
Product Weight | 28.6 |
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Free Shipping & Easy Returns
We offer Fast and Free Shipping all over the country.
We have a customer-friendly Return Policy because we know it doesn't always work out.
We have the best Warranty policies in case something goes wrong - we got your back! -
Best Customer Experience
We want to offer the Best Customer Experience possible , therefore we work only with High-Quality brands that make the best products.
We have a team of expert customer service representatives to assist you. -
Lowest Price, No Tax & Financing
We are dedicated to offer the best deal to our customers, therefore we will Price Match if you find a better price somewhere else.
We don't charge Sales Tax except for FL state.
We offer Interest-Free Financing or Payment-Splitting by Shop pay.