Original price
$6,496.00
-Original price
$7,194.00
Original price
$6,496.00
$6,496.00-$7,194.00
Current price
$6,496.00
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EcoFlow 4kWh Power Kit — 48V Off-Grid Power System
The 4kWh Power Kit pairs the Power Hub with two 2kWh batteries — the same footprint per battery as the 2kWh kit, but double the runtime, and split into two units that are easier to fit into awkward spaces than one large one.
Everything runs off one Power Hub, which packs an inverter-charger, two MPPT solar controllers, an MPPT battery charger and a DC-DC converter into a single wall-mounted box. Charge it from up to 4800W of solar, 3000W of shore power, 1000W from your vehicle's alternator on the move, or 1800W from an EcoFlow Smart Generator. Renewable Outdoors is an authorized EcoFlow dealer — call us at (303) 876-7654 and we'll help you spec the system properly before you order.
5-Year Warranty
Price Match Guarantee
Authorized EcoFlow Dealer
Free Shipping
0% APR Financing
Expert Support: (303) 876-7654
Why the EcoFlow 4kWh Power Kit
One Box Instead of Six Components
The Power Hub replaces a separate inverter, two solar charge controllers, a DC-DC converter and a battery charger — one unit, pre-wired, far less to install and troubleshoot.
3600W Inverter, 7200W Surge
Enough to run a rooftop air conditioner, a microwave, an induction hob or power tools — 120V pure sine wave, so sensitive electronics are safe.
Up to 4800W of Solar
Three solar inputs at 1600W each. Very few RV or cabin roofs can fit that much panel, which means the Hub will never be your bottleneck.
Charge from Solar, Shore, Alternator or Generator
Up to 4800W solar, 3000W shore power, 1000W from the alternator while you drive, and 1800W from an EcoFlow Smart Generator.
Auto-Heating Batteries
Two 2kWh LFP batteries. The batteries heat themselves so they can still charge at temperatures down to −4°F.
4kWh Now, Up to 15kWh Later
Up to three batteries stack in parallel per Power Hub via the Terminal Busbar, and they hot-swap — so you can grow the bank without rebuilding the system.
What's Included
In the Get Ready Kit
1 × EcoFlow Power Hub
2 × 2kWh LFP Battery
1 × Solar Charge Cable (20ft / 6m)
1 × Back Mounting Kit and 2 × Mounting Kit (top/bottom)
2 × RJ-45 CAN Bus Terminator
Screw pack (13 × M4.8×25, 8 × M5×10)
1 × Cable Pack
User manual, quick-start guide and warranty card
The Prepared Kit adds the AC/DC Smart Distribution Panel and 2 × Battery Mounting Strap. The Independence kit adds the Power Kit Console on top of that. Solar panels, shore power cabling and the Smart Generator are separate purchases — call us and we'll put the full list together for you.
Which Kit Should You Choose?
All three kits contain the same Power Hub and the same batteries. What changes is how the power gets distributed and how you monitor it.
Kit
What It Adds
Why Choose It
Get Ready Kit
Power Hub, battery, cables and all mounting hardware
You already have a distribution panel, or you are wiring loads directly and are comfortable doing so
Prepared Kit
Adds the AC/DC Smart Distribution Panel and 2 × battery mounting strap
Breaker-protected circuits with per-circuit monitoring — the option most installs actually want
Independence
Adds the Power Kit Console wall display
See and control the whole system from a panel on the wall rather than from your phone
If you're replacing an existing RV electrical system, the distribution panel usually pays for itself in install time alone. Call us at (303) 876-7654 and describe your setup — we'll tell you honestly which kit you need.
EcoFlow 4kWh Power Kit Specifications
Total Battery Capacity
4,096Wh (2 × 2kWh LFP Battery)
System Voltage
48V
Inverter Output
3600W continuous, pure sine wave, 120V 60Hz
Surge Output
7200W for 100ms
AC (Shore Power) Input
100–120V 50/60Hz, up to 3000W / 30A
Solar Input
Up to 4800W total across three inputs (1600W each)
Solar Voltage Window
13–60V, 30A per input
Alternator Charging
Up to 1000W
Smart Generator Input
Up to 1800W
Battery Port
40–60V, 100A — up to 3 LFP batteries per Power Hub
Integrated Components
Two MPPT solar charge controllers, MPPT battery charger, DC-DC step-down converter, inverter-charger
Power Hub Dimensions
18.9" × 5.5" × 11.8" (480 × 140 × 300mm)
Power Hub Weight
Approx. 30.9 lbs (14 kg)
Operating Temperature
−13°F to 140°F (−25°C to 60°C)
Warranty
5 years on components (cables and accessories: 12 months)
2kWh LFP Battery Specifications (2 Included)
Battery Capacity
2048Wh per battery (40Ah at 48V)
Cell Chemistry
LFP (LiFePO4)
Cycle Life
Up to 3500 cycles at 80% depth of discharge — roughly 10 years of use
Cold-Weather Charging
Auto-heating allows charging down to −4°F
Expansion
Stack up to 3 batteries in parallel per Power Hub using the Terminal Busbar
Installation
Hardwired or plug-and-play; wall clamp, mounting bracket and strap included
EcoFlow covers the Power Hub, batteries, distribution panel and console for five years.
Price Match Guarantee
Found it cheaper elsewhere? Call us at (303) 876-7654 before you buy.
Authorized EcoFlow Dealer
Genuine EcoFlow hardware with full manufacturer support behind it.
EcoFlow 4kWh Power Kit — 48V Off-Grid Power System: Frequently Asked Questions
What exactly is a Power Kit, and how is it different from a portable power station?
A portable power station is a sealed box you plug things into. A Power Kit is a permanent electrical system for a vehicle or building: the Power Hub bolts to a wall, the batteries mount alongside it, and it wires into your existing AC and DC circuits. You get far more capacity, real 3600W output, alternator charging while you drive, and proper circuit distribution — at the cost of needing to be installed rather than just unboxed.
Do I need an electrician to install this?
The system is designed to be plug-and-play between its own components, which removes most of the wiring guesswork. But it still ties into your vehicle's or building's AC and DC circuits, and in many places that work needs to be done or signed off by a qualified installer. We'd strongly recommend having an RV technician or licensed electrician handle the tie-in even if you assemble the kit yourself.
What is the difference between the three kits?
All three include the Power Hub, the batteries, the cables and the mounting hardware. The middle kit adds the AC/DC Smart Distribution Panel, which gives you proper breaker-protected circuits and per-circuit monitoring instead of wiring your loads directly. The top kit adds the Power Kit Console, a wall-mounted display so you can see and control the system without reaching for your phone.
How much can I actually run on it?
Output is the same across every kit — 3600W continuous, 7200W surge. What changes with capacity is how long you can run it. 4kWh of storage means 4,096 watt-hours; divide by the draw of what you're running for a rough hourly figure. A 1500W air conditioner will pull it down quickly, an LED-lit van with a fridge and laptops will run for a long time. Call us at (303) 876-7654 with your load list and we'll work it out with you.
Can I add more batteries later?
Yes. Up to three batteries can be paralleled per Power Hub through the Terminal Busbar, and they hot-swap, so adding one doesn't mean shutting the system down and rewiring. If your plans go beyond 15kWh, call us and we'll look at multiple Hubs or at EcoFlow's larger systems.
How much solar should I pair with it?
The Hub accepts up to 4800W, which is more than almost any RV roof can physically hold, so in practice your roof area is the limit rather than the electronics. As a rule of thumb, aim for enough panel to replace a day's usage in a day's sun. We stock EcoFlow's rigid and bifacial modular panels and can size an array against your roof dimensions.
Does it really charge from my vehicle's alternator?
Yes — up to 1000W while the engine runs, which is one of the biggest practical advantages of this system for van and RV use. On a long drive that's a meaningful amount of energy recovered without any sun at all. Your alternator needs to be able to supply it, so tell us your vehicle and we'll sanity-check that.
Will it work in cold weather?
Yes. The LFP batteries have built-in auto-heating, so they can accept a charge down to −4°F, which is the temperature at which most lithium batteries simply refuse to charge. The Power Hub itself is rated from −13°F to 140°F.
How long will the batteries last?
EcoFlow rates them for up to 3500 cycles at 80% depth of discharge, which works out to roughly ten years of daily use. LFP chemistry is chosen specifically for that longevity and for its thermal stability.
Do you offer financing or price matching?
Yes. We offer 0% APR financing options through Affirm at checkout, and our Price Match Guarantee applies — if you find this kit cheaper at another authorized dealer, call us at (303) 876-7654 before you order and we'll take care of it.
