DeWalt has announced a new XR 5Ah battery using tabless cell technology, offering higher power output and better thermal management for cordless tools.
DeWalt has unveiled a new 20V Max XR 5Ah battery pack featuring tabless cell technology. This battery cell design replaces traditional single or double welded tabs with multiple integrated connections along the electrode strip. The result is a significant reduction in internal resistance, allowing the battery to deliver higher current under heavy loads while generating considerably less heat during operation.
Thermal management is a critical factor in cordless tool performance and battery longevity. By decreasing resistance at the cell level, tabless batteries can sustain high power demands for longer periods without pushing the pack into thermal overload. This technology was previously introduced in higher-voltage formats and specialized lines, but bringing it to the core 5Ah footprint targets the most widely used battery capacity across trade applications.
For UK tradespeople and serious DIYers operating on DeWalt's 18V XR platform (sold as 20V Max in North America), this launch introduces a clear decision point when upgrading or expanding power sources. The new tabless 5Ah pack will carry a price premium over standard 5Ah lithium-ion batteries currently stocked at major UK retailers like Screwfix and Toolstation. For low-demand tools such as LED site lights, combi drills, or impact drivers, standard XR batteries remain the most cost-effective choice. However, users running high-drain tools like circular saws, angle grinders, or SDS drills will see tangible performance gains and extended runtime under load. Buyers should monitor upcoming UK stock arrivals at trade merchants to assess the price differential before replacing existing, functional battery packs.
The new XR tabless battery maintains full backward and forward compatibility with existing DeWalt 18V XR power tools and chargers. Users do not need to upgrade their charger infrastructure to use the new pack, though fast chargers will allow tradespeople to take full advantage of the improved thermal characteristics during rapid site charging cycles.
Reported by ToolGuyd — original article
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