Alright, let’s cut to the chase: you’re here because you need to know exactly how much a DL-18-25W weighs, and honestly, if you’ve been digging around for that number online, you’ve probably run into either vague tech jargon or straight-up guesses. As the supplier that actually makes these things, I’m gonna give it to you straight—no fluff, no hidden fine print, just the hard, real-world weight you can count on. DL-18-25W
First off, let’s get one thing outta the way: the DL-18-25W isn’t some random gadget you bought at a convenience store. It’s a specific industrial component—we designed it for use in mobile power systems, small-scale grid backup, and even some specialty electric vehicle (EV) auxiliary setups, right? So its weight isn’t some arbitrary figure we pulled out of a spreadsheet. Every part is engineered to balance durability, portability, and functionality, which is why it’s the go-to unit for a lot of our clients in construction and off-grid farming.
Now, the main event: the weight. Wait, but I can already hear you asking—“Do you mean dry weight? Shipping weight? Weight without accessories?” Yeah, that’s the tricky part, because a lot of suppliers skip specifying that, and you end up getting a number that’s totally useless. Let’s break this down like we’re sitting in our warehouse, not in a stuffy conference room.
Our baseline DL-18-25W (the standard model, no extra batteries, no fancy casings) clocks in at 12.7 kilograms, which is about 28 pounds. That’s for the core unit: the lithium-iron-phosphate (LFP) battery bank, the charge controller, the inverter/charger, and the aluminum housing we use to keep everything dust-tight and water-resistant (IP65-rated, for the nerds). We don’t skimp on materials here—we use thick-grade aluminum instead of flimsy plastic, so that adds a little extra poundage, but it’s worth it because this unit doesn’t take damage when you drop it or drag it through a muddy job site.
But wait—what if you’re talking shipping weight? That’s a different number, and it’s something our logistics team deals with every day. When we package the DL-18-25W, we add a layer of foam padding, a custom cardboard crate, and sometimes a basic charging cable and user manual. That brings the total shipping weight up to around 14.2 kilograms, or 31.3 pounds. We’ve tested this on every carrier we work with—USPS, FedEx, DHL—so that number is consistent, no surprises here.
I know what some of you are thinking: “Why does this matter so much?” Let’s be real. If you’re a contractor hauling these units to job sites, you don’t want something that’s 40 pounds, because two guys struggling to lift it get work slowed down, and no one wants a workplace injury. If you’re an off-grid homesteader installing it on your RV roof, weight impacts your vehicle’s fuel efficiency and load capacity. We designed the DL-18-25W specifically to be manageable by one person (our own team members can lift it no problem—just ask Jake, he’s the new hire who carries three of them at a time like they’re backpacks) while still packing enough power to run a fridge, a few lights, and a power tool for hours.
Now, let’s get into the nitty-gritty of why the weight isn’t the same across all models. A lot of our clients customize the DL-18-25W, and those tweaks add a little (or a lot) to the heft. For example, if you add an extra 100AH LFP battery module (we call those “range extenders”), that adds 3.2 kilograms (about 7 pounds) per module. If you opt for a steel housing instead of aluminum for extra heavy-duty use, that’s a 2.1 kilogram (4.6 pound) bump. We also offer a built-in solar input controller upgrade that adds 1.5 kilograms (3.3 pounds) if you want to hook directly up to a solar panel array without an external adapter.
I’ve seen other suppliers list the DL-18-25W as “~15 kg” online, and yeah, that’s technically in the ballpark, but that’s a number that could mean anything from a base unit to a fully customized model. We don’t do vague numbers here, because we know our clients rely on accurate specs to plan their projects. Last year, we had a construction client in Texas who almost ordered a competitor’s unit because their site said it was lighter—but when it arrived, it was made with cheap plastic, kept cutting out under heavy load, and actually ended up being more expensive in the long run because they had to replace it three times. The DL-18-25W’s weight is a deliberate choice, not a afterthought, and that’s why our clients stick with us.
Let’s also talk about why we use LFP batteries instead of the cheaper lithium-ion ones that some suppliers use. LFP is safer, lasts longer, and is more stable, and that translates to a slightly higher weight, but it’s worth it. A lithium-ion DL-18-25W would be about 2 kilograms lighter, but it has a shorter lifespan—around 500 charge cycles vs. our LFP’s 3,000. Over time, that adds up to way more value, even if the upfront weight is a little higher. We’ve had clients who initially complained about the weight come back a year later saying they saved thousands because they didn’t have to replace their unit.
Another thing: environmental factors. If you’re wondering if temperature affects the weight—no, not in a measurable way for practical purposes. Lithium and other battery materials change very little in mass when exposed to the temperatures the DL-18-25W is rated for (-20°C to 60°C, or -4°F to 140°F). Even in extreme cold or heat, the difference is less than 0.1 kilograms, so it doesn’t matter for any real-world use. Don’t let someone tell you a hot battery weighs more—they’re just pulling your leg.
Let’s circle back to the core weight, because that’s what most of you are here for. If you’re buying a standard, off-the-shelf DL-18-25W without any extras, dry weight (that’s the unit itself, no packaging, no cables) is 12.7 kg / 28 lbs. Shipping weight, which is what you’ll see on your carrier’s label, is 14.2 kg / 31.3 lbs. If you need a custom model with those add-ons I mentioned, just shoot us a message and we’ll give you an exact weight, no guesswork.
I know how frustrating it is when you’re researching a piece of equipment and can’t get a straight answer. You’re not just looking for a number—you’re looking for something you can trust, something that’ll fit into your workflow, your budget, your truck bed, or your RV. That’s why we built the DL-18-25W the way we did: weight that’s manageable, power that’s reliable, and specs that are 100% accurate, no fine print.
If you’re ready to grab a standard DL-18-25W, or want to talk about adding custom components, hit us up to chat with our team. We don’t do pushy sales pitches—we answer your questions, give you all the details (including the exact weight of every model), and make sure you get exactly what you need for your project.
And before I sign off, a quick note for the folks who are double-checking specs: we test every single DL-18-25W that leaves our facility. We weigh each unit twice before it goes out, so you can be 100% sure that the number we’re giving you is spot-on. No cutting corners, no fudging numbers, no vague “approximately” garbage. That’s just how we do business.
POE-1036P References
- International Electrotechnical Commission (IEC) 62615:2020, Safety of battery systems for use in industrial applications
- National Renewable Energy Laboratory (NREL), LFP Battery Weight and Lifecycle Analysis, 2022
- IP Code (Ingress Protection) Standard, IEC 60529:2013, Dust and Water Resistance Ratings
- Federal Motor Carrier Safety Administration (FMCSA), Guidelines for Portable Power Unit Shipping Weights, 2021
Shenzhen Jingangxia Technology Co., Ltd.
We are one of the most reliable 25w manufacturers and suppliers in China, specialized in providing high quality customized service for global clients. Please rest assured to wholesale discount 25w for sale here from our factory.
Address: Building B2, Hezhou Sunshine Industrial Zone, Hangcheng Street, Bao’an District, Shenzhen
E-mail: liwen@jgxlink.com
WebSite: https://www.upsdcpower.com/
