About Us Contact Us Shipping Return Policy Privacy Policy Terms and Conditions
Skip to content
Image of a black Dakota Lithium Powerbox 135, angled front and side view, on a light gray background

DL Powerbox+ 135 Waterproof Solar Generator, 12V 135Ah DL+ 1,000CCA Battery Included

by DAKOTA LITHIUM
$1,299.00

Notify me when back in stock

Description

Powerbox+ 135 Waterproof Solar Generator, 12V 135Ah DL+ 1,000CCA Battery Included by Dakota Lithium

Portable power meets rugged durability.
The DL Powerbox+ 135 Waterproof Solar Generator is your go-anywhere, do-anything power solution designed for serious adventurers, campers, off-roaders, and overlanders. Built around the powerful Dakota Lithium 12V 135Ah DL+ Battery, this military-grade, waterproof power station packs serious energy in a compact, floatable case—ready for any expedition.

Whether you're powering a campsite, running your fridge, starting your engine in the cold, or charging sensitive electronics in the wild, the Powerbox+ 135 delivers unmatched versatility and peace of mind. With a 2,000W continuous inverter, waterproof USB ports, smart voltmeter, and field-serviceable design, it’s built to keep going—no matter the weather, terrain, or mission.

From mountaintop to mud pit, this is not just backup power—it’s expedition confidence in a box.

Key Features:

  • Dual-Purpose Power: Combines deep cycle capacity (135Ah) with 1,000 CCA of starting power—ideal for electronics and engine ignition.
  • Waterproof & Submersible (IP67 Rated): Fully sealed military-grade case floats in water and handles extreme weather with ease.
  • 2000W Inverter + USB-C PD60W Ports: Run power tools, portable fridges, laptops, cameras, and more via AC, USB-A, and USB-C ports.
  • Cold Weather Ready: Internal heat tech ensures optimal performance and charging down to -20°F.
  • Field-Serviceable & Rebuildable: Designed for extended expeditions—includes removable electronics tray and washable storage bag.
  • Lightweight & Long-Lasting: Half the weight and up to 4x the lifespan of traditional lead-acid batteries.
  • Engineered for Expedition Use: Shockproof cradle, waterproof voltmeter, and external USB ports make off-grid life easier.
  • Backed by an 11-Year Warranty: Built “Dakota Tough” and made to last—adventure with confidence.

Specifications:

  • Battery Type: Dakota Lithium 12V 135Ah DL+
  • Cold Cranking Amps (CCA): 1,000 CCA
  • Energy Capacity: 1,620 Wh
  • Lifespan: Up to 5,000 cycles at 80% capacity
  • Charging Time: As fast as 60 mins (Rapid Charging)
  • Voltage: 12.8V
  • Discharge Rate: 35A continuous, 900–1,000A pulse
  • Operating Temp: -20°F to 150°F
  • Waterproof Rating: IP67 (submersible at 3 ft for 30 hrs)
  • Size: 11.6”L x 12.1”W x 12.8”H
  • Weight: Lightweight and floatable design (buoyant with 12% of mass above water)
  • Case Material: Ruggedized military-grade polymer with shockproof battery cradle
  • Inverter Output: 2,000W continuous / 4,000W peak (AC + USB-C PD60W)
  • Ports: 2 AC outlets, USB-A, USB-C, waterproof voltmeter
  • Extras: Anti-static electronics tray, ballistic nylon storage bag, jumper cable posts
  • Certifications: UN38.3, UL1642, IEC62133 compliant

Wherever your path leads—stay powered, stay safe, and go further with the DL Powerbox+ 135.
Order now and take control of your adventure-ready power supply.

Why By From Us

We get it. You've got a lot of choice when it comes to online retailers. Here's why we think you should shop with us at Specialized Overland.

  • Free Shipping in the USA (excluding Hawaii and Alaska) No extra charges. Ever.
  • Price Match Guarantee. Best prices online guaranteed.
  • 30 Day Easy Returns. Not happy with your product? We'll take it back no questions asked.
  • Great Service. We pride ourselves on the best service, anywhere.
  • Your satisfaction is guaranteed. We handpick our products for quality, we know you'll love them. But if there is ever something wrong, we'll fix it.
Shipping

Shipping is FREE on all orders to customers within the United States (exculding Hawaii and Alaska).

We don't want to mess around with fine print and extra charges, we like things to be simple and easy. 

 

Want to know about our Returns Policy? Read more here.

 

Order Confirmation:

As soon as you place your order you will receive an order confirmation e-mail.  This means that we have received your order in our system and pre-authorized your credit card for the purchase.  

As soon as we receive your order we automatically check to confirm that your order is in stock and available for immediate shipment.  If your item is on back-order or unavailable we will void the pre-authorization and reach out to you via e-mail to see if alternate arrangements can be made. 

Our products have generally not been certified for use with other countries electrical safety standards but all of our products are certified to United States standards.

We will happily ship our fantastic products to international customers. Due to the extremely wide variety of product dimensions we will provide an up to date shipping price quote for you on request.

If you are happy with our shipping quote we will prepare an order and payment though our ultra secure online payment gateway.

Damages:

If your item(s) are available for immediate shipment (within 5 business days) we will process the charges and get to work preparing your order for shipment.

Order Shipment:

If your order is in stock and we process the charges to your credit card it will ship within three business days from the date of your order.  

We will send you shipping confirmation within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out.  

If you do not receive shipping confirmation from us within four business days of your order feel free to follow up with us at eric@specializedoverland.com.

International Orders:

Please be aware that our products are made specifically for the United States market. This means that they require a110V electrical system to function correctly. 

Please inspect the packaging of your item(s) when they arrive, if you notice any damage you should make note of it when signing for delivery or do not agree to accept the delivery.

If you do accept delivery you are required to immediately take photos using your smart phone or camera of the damaged packaging or products inside the packaging. 

If your item(s) do arrived damaged please send photos to eric@specializedoverland.com, then visit our Returns page and lodge your return claim online.

Description

Powerbox+ 135 Waterproof Solar Generator, 12V 135Ah DL+ 1,000CCA Battery Included by Dakota Lithium

Portable power meets rugged durability.
The DL Powerbox+ 135 Waterproof Solar Generator is your go-anywhere, do-anything power solution designed for serious adventurers, campers, off-roaders, and overlanders. Built around the powerful Dakota Lithium 12V 135Ah DL+ Battery, this military-grade, waterproof power station packs serious energy in a compact, floatable case—ready for any expedition.

Whether you're powering a campsite, running your fridge, starting your engine in the cold, or charging sensitive electronics in the wild, the Powerbox+ 135 delivers unmatched versatility and peace of mind. With a 2,000W continuous inverter, waterproof USB ports, smart voltmeter, and field-serviceable design, it’s built to keep going—no matter the weather, terrain, or mission.

From mountaintop to mud pit, this is not just backup power—it’s expedition confidence in a box.

Key Features:

  • Dual-Purpose Power: Combines deep cycle capacity (135Ah) with 1,000 CCA of starting power—ideal for electronics and engine ignition.
  • Waterproof & Submersible (IP67 Rated): Fully sealed military-grade case floats in water and handles extreme weather with ease.
  • 2000W Inverter + USB-C PD60W Ports: Run power tools, portable fridges, laptops, cameras, and more via AC, USB-A, and USB-C ports.
  • Cold Weather Ready: Internal heat tech ensures optimal performance and charging down to -20°F.
  • Field-Serviceable & Rebuildable: Designed for extended expeditions—includes removable electronics tray and washable storage bag.
  • Lightweight & Long-Lasting: Half the weight and up to 4x the lifespan of traditional lead-acid batteries.
  • Engineered for Expedition Use: Shockproof cradle, waterproof voltmeter, and external USB ports make off-grid life easier.
  • Backed by an 11-Year Warranty: Built “Dakota Tough” and made to last—adventure with confidence.

Specifications:

  • Battery Type: Dakota Lithium 12V 135Ah DL+
  • Cold Cranking Amps (CCA): 1,000 CCA
  • Energy Capacity: 1,620 Wh
  • Lifespan: Up to 5,000 cycles at 80% capacity
  • Charging Time: As fast as 60 mins (Rapid Charging)
  • Voltage: 12.8V
  • Discharge Rate: 35A continuous, 900–1,000A pulse
  • Operating Temp: -20°F to 150°F
  • Waterproof Rating: IP67 (submersible at 3 ft for 30 hrs)
  • Size: 11.6”L x 12.1”W x 12.8”H
  • Weight: Lightweight and floatable design (buoyant with 12% of mass above water)
  • Case Material: Ruggedized military-grade polymer with shockproof battery cradle
  • Inverter Output: 2,000W continuous / 4,000W peak (AC + USB-C PD60W)
  • Ports: 2 AC outlets, USB-A, USB-C, waterproof voltmeter
  • Extras: Anti-static electronics tray, ballistic nylon storage bag, jumper cable posts
  • Certifications: UN38.3, UL1642, IEC62133 compliant

Wherever your path leads—stay powered, stay safe, and go further with the DL Powerbox+ 135.
Order now and take control of your adventure-ready power supply.

Why By From Us

We get it. You've got a lot of choice when it comes to online retailers. Here's why we think you should shop with us at Specialized Overland.

  • Free Shipping in the USA (excluding Hawaii and Alaska) No extra charges. Ever.
  • Price Match Guarantee. Best prices online guaranteed.
  • 30 Day Easy Returns. Not happy with your product? We'll take it back no questions asked.
  • Great Service. We pride ourselves on the best service, anywhere.
  • Your satisfaction is guaranteed. We handpick our products for quality, we know you'll love them. But if there is ever something wrong, we'll fix it.
Shipping

Shipping is FREE on all orders to customers within the United States (exculding Hawaii and Alaska).

We don't want to mess around with fine print and extra charges, we like things to be simple and easy. 

 

Want to know about our Returns Policy? Read more here.

 

Order Confirmation:

As soon as you place your order you will receive an order confirmation e-mail.  This means that we have received your order in our system and pre-authorized your credit card for the purchase.  

As soon as we receive your order we automatically check to confirm that your order is in stock and available for immediate shipment.  If your item is on back-order or unavailable we will void the pre-authorization and reach out to you via e-mail to see if alternate arrangements can be made. 

Our products have generally not been certified for use with other countries electrical safety standards but all of our products are certified to United States standards.

We will happily ship our fantastic products to international customers. Due to the extremely wide variety of product dimensions we will provide an up to date shipping price quote for you on request.

If you are happy with our shipping quote we will prepare an order and payment though our ultra secure online payment gateway.

Damages:

If your item(s) are available for immediate shipment (within 5 business days) we will process the charges and get to work preparing your order for shipment.

Order Shipment:

If your order is in stock and we process the charges to your credit card it will ship within three business days from the date of your order.  

We will send you shipping confirmation within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out.  

If you do not receive shipping confirmation from us within four business days of your order feel free to follow up with us at eric@specializedoverland.com.

International Orders:

Please be aware that our products are made specifically for the United States market. This means that they require a110V electrical system to function correctly. 

Please inspect the packaging of your item(s) when they arrive, if you notice any damage you should make note of it when signing for delivery or do not agree to accept the delivery.

If you do accept delivery you are required to immediately take photos using your smart phone or camera of the damaged packaging or products inside the packaging. 

If your item(s) do arrived damaged please send photos to eric@specializedoverland.com, then visit our Returns page and lodge your return claim online.