kevinobroy
New Member
The 20V Black and Decker battery is known for its balance of power and portability, but how long it lasts depends on how you use it. In light-duty tasks like drilling or driving screws, you can expect up to 1.5 hours of runtime on a full charge. For more demanding tools like hedge trimmers or leaf blowers, the runtime drops to around 20–40 minutes. Black+Decker's lithium-ion technology helps maintain full power until the battery is nearly depleted, so performance doesn't fade mid-task. Charging typically takes 45 minutes to 2 hours, depending on the charger model. Frequent users switching from a DeWalt 18V battery replacement often notice improved charge retention over time. To maximize lifespan, avoid running the battery completely flat. Proper storage in a cool, dry place also helps maintain capacity. In real-world use, many homeowners find a single battery is enough for quick jobs, but pros often keep spares. Overall, the 20V battery delivers reliable, consistent power for a variety of tasks.