TALK TO AN EXPERT: 1-844-945-3625
TALK TO AN EXPERT: 1-844-945-3625
🔥 On Sale! Promo is only until September 30th

Get exclusive pricing and expert fitment help!
Mon-Fri: 10am-5pm CST
After hours? Chat with Oaky, our 24-hour AI concierge!
Introducing the EcoFlow DELTA Max Smart Expansion Battery! Ever feel like you don't have enough battery capacity for your DELTA Max? Here's the answer!
Each DELTA Max Smart Expansion Battery has a 2016Wh battery storage capacity. Add up to 2 of these and power up more appliances and devices. Get up to triple battery capacity and never have to worry about power again. Enjoy EcoFlow's Expandable Capacity with the DELTA Max Smart Extra Battery.
DELTA Max Smart Expansion Battery Specs:
• Capacity - 2016Wh
• Net Weight - Approx. 40lbs / 18kg
• Dimensions - 18.3 x 9.3 x 11.1in / 46.4 x 23.5 x 28.3 cm
• Battery Chemistry -NCM
• Cycle Life - 800 Cycles to 80% Capacity
Warranty
The warranty period for the EcoFlow DELTA Max and its Expansion Battery is two years from the date the product is received.
However, customers who register their Eco flow within the first 30 days of receiving their unit will receive an extra year of warranty bringing this to a total of three years.
You'll get the best price available at Wild Oak Trail! We'll match anyone who has it lower!
We love to chat! Give us a call and we'll see what we can do to get you the best deal!
Conditions of our 100% Price Match Guarantee:
Contact us to discuss the Price Match so we can look up the competitors price
Buy one, get one free offers and Rebates are not eligible
The item must be in stock on the competitors website
The competitor must be an online store, not a retail location
The website can't be a discounter or auction website ( such as eBay, overstock, etc.)
The company must be an Authorized Retailer of the product in question
The Price Match Guarantee is based on the final price of the product including shipping and taxes
Why Buy From Wild Oak Trail?
We’re a family-run business. My Wife Hailey and I run this business with our small staff of 3 awesome people. When you shop with Wild Oak Trail, you're supporting real people, not a big corporation.
We truly care. We’re here before, during, and after your purchase. Good products and great service—that’s how we earn your trust. We see and celebrate EVERY sale that comes in!
We choose quality. If we wouldn’t use it ourselves, we won’t offer it. Our goal is to make you happy enough to tell your friends.
Thanks for supporting our family and being part of the Wild Oak Trail community!
This EcoFlow Product is on Sale!
Save $400 if you purchase now.
This Promo is only until September 30th.
The EcoFlow DELTA Max Smart Extra Battery ships in 1-5 business days.
Introducing the EcoFlow DELTA Max Smart Expansion Battery! Ever feel like you don't have enough battery capacity for your DELTA Max? Here's the answer!
Each DELTA Max Smart Expansion Battery has a 2016Wh battery storage capacity. Add up to 2 of these and power up more appliances and devices. Get up to triple battery capacity and never have to worry about power again. Enjoy EcoFlow's Expandable Capacity with the DELTA Max Smart Extra Battery.
DELTA Max Smart Expansion Battery Specs:
• Capacity - 2016Wh
• Net Weight - Approx. 40lbs / 18kg
• Dimensions - 18.3 x 9.3 x 11.1in / 46.4 x 23.5 x 28.3 cm
• Battery Chemistry - NCM
• Cycle Life - 800 Cycles to 80% Capacity
Warranty
The warranty period for the EcoFlow DELTA Max and its Expansion Battery is two years from the date the product is received.
However, customers who register their Eco flow within the first 30 days of receiving their unit will receive an extra year of warranty bringing this to a total of three years.
You'll get the best price available at Wild Oak Trail! We'll match anyone who has it lower!
We love to chat! Give us a call and we'll see what we can do to get you the best deal!
Conditions of our 100% Price Match Guarantee:
Contact us to discuss the Price Match so we can look up the competitors price
Buy one, get one free offers and Rebates are not eligible
The item must be in stock on the competitors website
The competitor must be an online store, not a retail location
The website can't be a discounter or auction website ( such as eBay, overstock, etc.)
The company must be an Authorized Retailer of the product in question
The Price Match Guarantee is based on the final price of the product including shipping and taxes
Why Buy From Wild Oak Trail?
We’re a family-run business. My Wife Hailey and I run this business with our small staff of 3 awesome people. When you shop with Wild Oak Trail, you're supporting real people, not a big corporation.
We truly care. We’re here before, during, and after your purchase. Good products and great service—that’s how we earn your trust. We see and celebrate EVERY sale that comes in!
We choose quality. If we wouldn’t use it ourselves, we won’t offer it. Our goal is to make you happy enough to tell your friends.
Thanks for supporting our family and being part of the Wild Oak Trail community!








