DeWalt DCB126 10.8v / 12v XR 5.0Ah Li-Ion Battery

DeWalt DCB126 12 V XR 5.0 Ah Li-Ion Slide Battery Pack

The DeWalt DCB126 is a high-capacity, compact lithium-ion battery pack engineered to power the full range of DeWalt 12 V (or 10.8 V nominal) XR cordless tools — giving you extended runtime and dependable power across drills, drivers, screwdrivers, lights and other portable tools.

Despite its 5.0 Ah capacity, the battery retains a lightweight, compact form factor — making it easy to handle on jobs where access or weight matters, without compromising runtime. Designed with XR-series performance and longevity in mind, it provides a reliable power source whether you’re on site, making installations, or doing renovation and DIY work. :contentReference[oaicite:1]{index=1}

• 5.0 Ah capacity (≈ 60 Wh) — significantly extends runtime compared to standard 12 V packs, meaning fewer battery swaps and longer uninterrupted work sessions. :contentReference[oaicite:2]{index=2}
• Compact XR slide-on pack design — easily attaches to all DeWalt 12 V XR / 10.8 V XR tools and chargers for plug-and-play compatibility. :contentReference[oaicite:3]{index=3}
• Built-in 3-LED fuel gauge — shows your current charge level so you can monitor remaining runtime and plan battery swaps efficiently. :contentReference[oaicite:4]{index=4}
• Improved thermal performance & durability — 6-cell pack stays cooler under heavy use compared to older 3-cell designs, supporting reliability during demanding tasks. :contentReference[oaicite:5]{index=5}
• No memory effect & low self-discharge — preserves charge over time so the battery is ready to go when you need it. :contentReference[oaicite:6]{index=6}
• Lightweight & ergonomic (~0.45 kg) — minimises tool weight, improving balance and reducing user fatigue during extended use. :contentReference[oaicite:7]{index=7}

Whether you’re drilling, driving screws, using compact cordless tools in tight spaces, or working on longer DIY or trade tasks — the DCB126 delivers the runtime and reliability you need. It’s an excellent battery choice if you want prolonged performance from DeWalt 12 V / 10.8 V XR tools without increasing bulk or weight.