Battery BESK 20V Li-ion 4Ah — Rechargeable Power Tool Battery

Battery BESK 20V Li-ion 4Ah is a rechargeable power tool battery compatible with BESK 20 V series cordless tools. It delivers stable 20 V nominal voltage and 4 Ah capacity to extend run time for drilling, driving, cutting and other mobile applications. The lithium-ion chemistry provides a compact, lightweight energy source with low self-discharge and a built-in charge-level indicator for convenient monitoring.

Advantages

The BESK 20V Li-ion 4Ah battery offers reliable voltage output, increased operating time compared with lower-capacity cells, and compatibility across the BESK 20 V tool range. Fast-charge capability reduces downtime, while the charge-level indicator helps plan work and charging intervals. Its lithium-ion design keeps weight and size low for easier handling during prolonged use.

Suitable for

• Cordless drills and impact drivers
• Cordless saws and cutting tools
• Screwdrivers and fastening applications
• General workshop and job-site cordless equipment

Key specifications

• Battery chemistry: Lithium-ion
• Nominal voltage: 20 V
• Capacity: 4 Ah
• Fast-charge time (with compatible rapid charger): 2 h
• Charge-level indicator: Yes
• Compatibility: BESK 20 V series

How to use

Install the battery into the compatible BESK 20 V tool until it clicks into place. Monitor the integrated charge-level indicator to check remaining capacity. When depleted, remove the battery and connect it to a compatible rapid charger; a full charge is typically achieved in about 2 hours with the specified fast charger. Use only chargers and tools rated for BESK 20 V batteries to ensure safe operation.

Usage recommendations

Store the battery in a cool, dry place and avoid exposure to extreme temperatures. Charge the battery before long-term storage and avoid deep discharge to prolong lifespan. Do not use damaged batteries and follow the tool manufacturer’s safety instructions.