Our go to 6Ah for $91: https://amzn.to/3gZZJyN ADZY Europe seems to be the best Powerstack deal for $180ish shipped https://adzysgoods.com/product/dewalt-dcbp518-18v-xr-powerstack-5ah-battery// 2-pack here: https://shrsl.com/3twms Go check out @WorkshopAddict DeWALT's new secret sauce 5ah DCBP520 Powerstack battery the new hotness? We dyno the battery vs a wide range of other 20V Max* XR and Flexvolt offerings to find out.
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As always, Torque who started this channel is working in product development for Astro Tools who also make impact wrenches and cut-off tools (air). TTC is not the only testing out there, always consider multiple sources!