![]() ![]() This can be fooled with an adapter from an old battery which could in turn be attached to a homegrown mount. The third tab is both a thermistor and a comms* tab. Here is the explanation and solution I’ve come up with. Posted in Tool Hacks Tagged 18650, adapter, charger, controller, cordless, dewalt, Li-ion, ryobi Post navigation After all, printing an adapter should be easier than whipping up a cordless battery pack de novo. While took a somewhat brute-force approach here, we imagine 3D-printed parts might make for a more elegant solution and offer other brand permutations. The video below shows the process and the results - Ryobi tools happily clicking away on DeWalt batteries. That meant simply transplanting the PCB from the adapter to the Ryobi battery shell would be enough. Luckily, the donor DeWalt line has that circuitry in the adapter, while Ryobi puts it in the battery. The tricky part came from dealing with the battery control electronics. Mechanically, this was pretty easy - a dead Ryobi pack from the recycling bin at Home Depot was stripped down for its case, which was glued to a Dewalt 20-v to 18-v battery adapter. ’s solution is a pure hack, as in physically hacking battery packs and forcing them to work and play well together. Luckily, we live in the future, so there’s a third way - building a cross-brand battery adapter that lets him power Ryobi tools with his DeWalt batteries. Could he stay true to his brand and stick with his huge stock of yellow tools and batteries, or would he succumb to temptation and add another set of batteries and chargers so he could have access to a few specialty lime green tools? The point is options.Even though he’s a faithful DeWalt cordless tool guy, admits to a wandering eye in the tool aisle, looking at the Ryobi offerings with impure thoughts. ![]() (Or even plugged into a larger battery bank with AC or a generator or something. An EGO version of this adapter would be super useful considering some of those batteries are over $400+ usd and sometimes you just need to use it for a moment. Maybe I'll take the trimmer apart and see what there is to see. Any more info on this or any other projects would be great to know. There's also a website LCD Payless and some of the other links shared here where someone has apparently already built the seemingly 3d printed battery plug housing which connects to an Ac-dc adapter and plugs into the adapter with a barrel plug. Id like to compare the hackaday and DIY builds for these vs what Ryobi themselves put underneath. Given that one or more tools are hybrids, the proper dropdown components are hiding behind that slider. If all the tools were like this it would be awesome. The older green Ryobi one+ trimmer/weedwacker is hybrid - has a sliding cover where the battery plugs in for AC cord like a wired hedge trimmer or the battery. And then think about whether people would actually buy them as they might not be as cheap as people would hope. They will need to balance between a reasonably sized adapter that might only power a small range of tools, or an absolute mammoth that can power everything. So yeah, I doubt it would be practical for ryobi to manufacture an AC adaptor for direct usage on tools. It can pump out massive current, though obviously how long it can do so depends on the capacity, and if you've tried out cheap aftermarket batteries before, you'd find that they struggle powering stuff like your grinders and vacuums because they really can't handle the power draw like genuine batteries. An angle grinder might pump out even more. I got one because I was planning on doing the exact same thing except I'm procrastinating at the amount of hassle right now.Ĭonsider this with different power draws of different tools. Technology hasn't caught up enough where we see devices the size of a phone powering an entire city like in iron man. That would be a massive power supply unit about the size of a brick. This means that the device would be drawing 16A. ![]() If memory serves, the rated runtime of some of their 18v vacuum cleaners is 15 minutes on a 4 amp hour battery. ![]() Your vacuum cleaner draws considerably more power. Based on commercial availability from Chinese manufacturers, I'd hazard a guess that they'd be mass ordering standard 2A plugs for a cheap price. The really cheap stuff.īear in mind the power draw of such hybrid devices. Because if you look into those hybrid devices, the part where you plug in the AC is actually just one of those switching power supply plug packs. ![]()
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