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The portable home battery - DELTA Pro sports a 3.6kWh capacity that can be expanded all the way to 25kWh. The kicker? You can integrate it directly with your home circuits via the Smart Home Panel. Ideal for home backup.
Power pretty much anything - DELTA Pro leads the industry when it comes to AC output. With 3600W you've got a portable generator that can power heavy-duty appliances such as dryers, AC units & more. Need even more power? Pair two units together to hit a massive 7200W.
Expandable capacity - This add-on battery connects with a DELTA Pro to double total capacity to 7200Wh. Connect two of them to DELTA Pro for a staggering 10.8kWh to use off-grid.
Convenient recharging - Recharging from solar panels, AC outlets, EV charging stations, or our Smart Generator is easy. Plug the Extra Battery into DELTA Pro and they will recharge and discharge in tandem.
Portable & Lightweight - With an input of 400W, this is one of the most powerful foldable solar panels on the market. Weighing only 12.5 kg, the lightweight design and built-in shoulder strap makes it ideal for outdoor adventurers.
Self-supporting - The protective case conveniently turns into a stand that adjusts from 40-90° allowing the solar panels to capture the most rays.
Delta Pro Solar Generator
General Info
• Net Weight: 99 lbs
• Dimensions (Lx—Wx—H): 25 in x— 11 in x— 16 in
• Capacity: 3,600Wh, 48V
• Wi-Fi: 2412-2462MHz, Max Output Power 0.05862W
• Bluetooth: 2402-2480MHz, Max Output Power 0.0006W
Output Ports
• AC (x—5): Pure sine wave, 3,600W total (7,200W surge), 120V~ 60Hz
• USB-A (x—2): 5V 2.4A, 12W max per port (24W total)
• USB-A Fast Charging (x—2): 5V 2.4A / 9V 2A / 12V 1.5A, 18W max per port (36W total)
• USB-C (x—2): 5/9/12/15/20V 5A, 100W max per port (200W total)
• Car Charger: 12.6V 10A, 126W max
• DC5521 (x—2): 12.6V 3A, 38W max per port
• Anderson: 12.6V 30A, 378W max
Input Ports
• AC Charging: 120V~ 1,800W max / 240V~ 3,000W max
• AC Input Voltage: 100-120V~ 15A, 220-240V~ 12.5A, 50/60Hz
• Solar Charging: 11-150V, 15A max, 1,600W max
• Car Charging: Supports 12V/24V battery, default 8A
Battery Info
• Cell Chemistry: LFP
• Cycle Life: 3,500+ cycles to 80% capacity
• Protection: Over Voltage, Overload, Over Temperature, Short Circuit, Low Temperature, Low Voltage, Over Protection
Operating Temperatures
• Optimal Operating: 68°F-86°F
• Discharging: 14°F-113°F
• Charging: 32°F-113°F
• Storage: 14°F-113°F (Optimal 68°F-86°F)
EcoFlow DELTA Pro 3600Wh Smart Extra Battery
General Info
• Net Weight: 84 lbs
• Dimensions: 25 in x— 11.2 in x— 16.4 in
• Capacity: 3,600Wh, 48V
Input Port
• Extra Battery Port Input: 48V, 3,200W max
Output Port
• Extra Battery Port Output: 45V-54V, 4,260W max
Battery Info
• Cell Chemistry: LFP
• Cycle Life: 3,500+ cycles to 80% capacity
• Protection: Overload, Over Temperature, Short Circuit, Low Temperature, Low Voltage, Overcurrent
Operating Temperatures
• Optimal Operating: 68°F-86°F
• Discharging: 14°F-113°F
• Charging: 32°F-113°F
• Storage: 14°F-113°F (Optimal 68°F-86°F)
Energy Systems Central Stores is an authorized retailer of EcoFlow products. Because of this, we pass on EcoFlow's manufacturer 3-Year warranty to you.
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Free Shipping Across the United States.Read our full Shipping Policy here.
Market-Leading 30-Day Returns Process.Read more about our Returns Policy here.
Choosing the right retailer matters, especially for critical power and off-grid systems. Here’s what sets Energy Systems Central apart.
Yes. We provide free standard shipping on all orders shipped within the United States. Shipping costs are included in the listed price with no hidden fees at checkout.
Most orders are processed within 1 to 2 business days. Delivery times typically range from 3 to 7 business days depending on your location, carrier scheduling, and product size.
We offer a 30 day return window for eligible products that are unused and in original condition. Our support team will guide you through the return or exchange process if needed.
Absolutely. Yes. Our knowledgeable product specialists are available by phone, live chat, or email to help you select the right equipment for your application.
Most products include a manufacturer warranty, typically starting at one year. Warranty terms vary by brand and model and are listed on each product page.
Yes. We are an authorized retailer and only sell brand new, genuine products sourced directly from manufacturers or their approved distributors.
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