20V MAX* POWERCONNECT™ 4Ah Battery
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Take your DIY to the next level with the BLACK+DECKER® 20V MAX* POWERCONNECT™ 4Ah Battery. Get the power for big projects with up to twice the runtime† and up to 80% more power than a 2Ah battery**, ideal for demanding home repairs or outdoor work. Easily secure your battery using the quick-release latch and keep an eye on its power level with the LED light state-of-charge indicator. Compatible with BLACK+DECKER® 20V MAX* products, this battery is a versatile addition to your get-it-done gear. Whether you’re tackling jobs around the home or powering through yardwork, just swap the battery out between tools and power through to the finish line.
- Long Runtime - Tackle tasks with up to 2X the runtime of a 2Ah battery†.
- High Performance - Get up to 80% more power than a 2Ah battery** for time-consuming projects, big builds, or repairs.
- Thoughtful Design - Built to help keep slips and fumbles at bay with an easy-release latch and contoured grip.
- See Your Charge - Conveniently monitor charge level with the LED light state-of-charge indicator.
- Battery System - Part of the BLACK+DECKER® 20V MAX* POWERCONNECT™ family, this battery can be used with tools, outdoor and cleaning products and chargers in this system.
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Battery Included:
YesBattery Amp Hours:
4 AhCharger Included:
NoCordless Vs Corded:
CordlessGTIN:
198706051324Weight:
0.0 LBWidth:
0.0 INWarranty:
2 Year Limited Warranty, Additional 3 Year Limited Warranty When RegisteredIncludes:
(1) LBD4020S BLACK+DECKER® 20V MAX* POWERCONNECT™ 4Ah Battery
*Maximum initial battery voltage (measured without a workload) is 20. Nominal voltage is 18. †vs. LBD2020S battery; based on 10 Amp discharge test, not in application. **vs. LBD2020S battery, not in application.
Power up
High Performance
Get up to 80% more power than a 2Ah battery** for time-consuming projects, big builds, or repairs.
See Your Charge
Conveniently monitor charge level with the LED light state-of-charge indicator.
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Product Q&A
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- Amp hours indicate how long a battery can power a device before it needs to be recharged. The higher the amp-hour rating of a battery, the longer it will last before it needs to be recharged.
- As a rough estimate, a battery with a rating of 5Ah can deliver 5 amps of current for about one hour, or 1 amp of current for about 5 hours, before it needs to be recharged. Similarly, a battery with a rating of 10Ah can deliver 10 amps of current for about one hour, or 1 amp of current for about 10 hours, before it needs to be recharged.
- They are an important consideration when choosing a battery, as they determine how long the device can operate before the battery needs to be recharged.
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- Higher amp-hours in a battery do not necessarily mean that it is better for every application. The right battery depends on the specific needs of the application. A battery with higher amp-hours has a larger capacity and can deliver power for a longer duration before it needs to be recharged. However, a battery with higher amp-hours is usually larger and heavier than a battery with lower amp-hours. This can make it less suitable for portable devices that require lightweight and compact batteries, such as handheld power tools.
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- Low-Power Applications: Batteries with amp-hour ratings of 1-2Ah are suitable for low-power applications, and are ideal for cordless drills, drivers, radios and flashlights. These batteries are lightweight and compact, making them ideal for portable devices.
- Medium-Power Applications: Batteries with amp-hour ratings of 3-4Ah are suitable for medium-power applications, such as string trimmers, reciprocating saws, circular saws, and other power tools. These batteries offer a balance between power and run time and are suitable for tasks that require moderate power consumption.
- High-Power Applications: Batteries with amp-hour ratings of 5-6Ah or higher are suitable for high-power applications, such as heavy-duty power tools such as chainsaws, lawn mowers and saws.