Mobile 5 kWh Power Station with the EG4 3000EHV-48 and a WP Battery: Parts List
The parts in the mobile 5 kWh power station built on the EG4 3000EHV-48 inverter and a sealed EG4 48V 100Ah battery, and the videos showing it.
Last reviewed 2026-10-10.
Parts
| Role | Part | Qty | Why this part | Where to buy |
|---|---|---|---|---|
| Inverter / charger / charge controller | EG4 3kW Off-Grid Inverter 3000EHV-48 | 1 | All-in-one inverter, charger and solar charge controller: 3,000 W continuous, 6,000 W surge. | This listing is no longer available at Signature Solar. Browse Signature Solar →Affiliate link — we may earn a commission if you purchase through this link, at no extra cost to you. |
| Battery (about 5 kWh, sealed, waterproof) | EG4 WP Lithium Battery 48V 100Ah | 1 | A sealed, waterproof 48 V, 100Ah lithium battery of about 5 kWh. | This listing is no longer available at Signature Solar. Browse Signature Solar →Affiliate link — we may earn a commission if you purchase through this link, at no extra cost to you. |
Manufacturer's specifications
- EG4 3000EHV-48: rated output 3 kVA / 3 kW pure sine wave at 120 V nominal; surge capacity is 2 × the rated power for 5 seconds. (manufacturer's specification)
- EG4 3000EHV-48: battery charging current is 60 A from AC and 80 A from PV and AC together; maximum PV charging current is 80 A. (manufacturer's specification)
- EG4 3000EHV-48: solar input is rated 5,000 W, with a maximum PV open-circuit voltage of 500 VDC, an MPPT voltage range of 120 to 450 VDC and one MPPT. (manufacturer's specification)
- EG4 3000EHV-48: nominal DC input voltage is 48 VDC, and idle power consumption is under 70 W. (manufacturer's specification)
- EG4 3000EHV-48: operating temperature range is -10 °C to 55 °C (14 °F to 131 °F), and the enclosure rating is IP 21 (indoor use). (manufacturer's specification)
- EG4 WP 48V 100Ah battery: nominal voltage 51.2 V, capacity 100 Ah, stated storage capacity 5.12 kWh. (manufacturer's specification)
- EG4 WP 48V 100Ah battery: maximum constant charge current is 100 A and maximum constant discharge current is 200 A. (manufacturer's specification)
- EG4 WP 48V 100Ah battery: charging range is 0 °C to 45 °C, discharge range is -20 °C to 50 °C, and storage range is -20 °C to 50 °C. (manufacturer's specification)
- EG4 WP 48V 100Ah battery: it has a built-in BMS and Bluetooth monitoring; the manufacturer describes it as completely waterproof and gives a 5-year warranty. (manufacturer's specification)
Firmware and version records
- EG4 3kW Off-Grid Inverter 3000EHV-48: no firmware version recorded (The version was not noted at the time.)
- EG4 WP Lithium Battery 48V 100Ah: no firmware version recorded (The version was not noted at the time.)
What we did not test or check
- We did not take our own measurements of this system. The figures on this page are the manufacturers' published specifications, not our results.
- Surge and motor-startup loads were not tested.
- Operation in heat or cold extremes was not tested.
- Voltage drop in the DC battery cables was not calculated or measured.
- The sizing and placement of the DC and AC fuses and breakers were not checked against the manufacturers' requirements or the electrical code.
- Compatibility between the parts' firmware versions was not checked.
- Generator and grid-tie operation were not tested.
Videos that show this build
- Build a 5 kWh 3k/6k mobile Portable power station in 15 minutes | Delta ultra – Building the 5 kWh mobile power station
- EG4 3kw all in one off grid inverter long term review | 3000EHV-48 | 80a charger | 5k MPPT – 3000EHV-48 long-term review
Important notice: our experience, not instructions
This page records one system that TGBATG built and used, on the date shown and with the parts and versions listed. It describes what we did, not what you should do. It is our experience only. It is not instructions, directions, a design, a plan, an inspection, a recommendation that you copy it, or engineering, electrical, safety or legal advice, and it creates no professional relationship between you and us.
Electrical systems differ in their loads, climate, wiring, local code and the exact parts and firmware used, and manufacturers change their products, specifications and instructions without notice. Parts listed here may be discontinued, replaced or revised. Your results will differ from ours.
Batteries and mains-voltage electricity can cause serious injury, electric shock, fire and death. Read and follow the manufacturers' instructions and warnings for every part, follow your local electrical code, obtain any permits that apply, and have the work done or inspected by a licensed electrician where required. Do not rely on this page to decide how to size, protect, wire, ground or configure any system.
We list above some things we did not test or check. Even for what we did test, we may have made mistakes or left things out. We cannot guarantee that this page is accurate, complete or current, or that it is suitable for your use. It is provided as is, without warranties of any kind. You use it at your own risk and, to the fullest extent the law allows, TGBATG and its owner are not responsible for any loss, damage or injury that results from using it.
Some links on this page are affiliate links: if you buy through them TGBATG may earn a commission at no extra cost to you. We list the parts we used whether or not we earn a commission on them.
If you find an error, please tell us at contactus@tgbatg.com.