Bosch BHZUB1850 cordless tool battery / charger

The Bosch BHZUB1850 5 Ah 18 V is a rechargeable cordless tool battery designed to deliver steady power for a wide range of 18 V Bosch power tools. With a nominal voltage of 18 volts and a capacity of 5 ampere-hours, the battery provides extended run time for drilling, driving, sanding and cutting tasks. Its compact housing measures approximately 8.5 cm in width, 10.3 cm in depth and 12 cm in height, allowing convenient handling and compatibility with many Bosch tool platforms.

Advantages

The battery offers a balance of capacity and size to extend operating time while remaining easy to carry and store. Built with cells engineered for consistent discharge, it supports sustained tool performance under typical jobsite loads. The compact dimensions help maintain tool ergonomics and permit secure attachment to compatible Bosch cordless tools. The battery construction includes features for safe charging and operation, contributing to reliable day-to-day use.

Suitable for

• General drilling and fastening work with 18 V Bosch cordless drills and impact drivers
• Light to medium carpentry and renovation tasks using sanders and saws
• Outdoor and gardening cordless tools within the Bosch 18 V range
• Extended DIY sessions where longer runtime is needed

Key specifications

• Nominal voltage: 18 V
• Capacity: 5 Ah (ampere-hours)
• Approximate dimensions: 8.5 cm (W) x 10.3 cm (D) x 12 cm (H)
• Rechargeable cordless tool battery suitable for standard 18 V tool platforms

How to use

Insert the battery securely into the compatible Bosch 18 V tool until it clicks into place. Use the battery to power drills, drivers, and other compatible cordless tools according to the tool manufacturer’s instructions. Charge the battery with a Bosch-compatible charger designed for 18 V rechargeable packs, following the charger’s indicators to determine charging status. Allow the battery to cool if it becomes warm during heavy use before recharging to maintain optimal charging cycles.

Recommendations

Store and transport the battery in a dry, moderate-temperature environment. Avoid prolonged exposure to extreme heat or cold. For best battery life, charge before full depletion and use chargers intended for Bosch 18 V battery chemistry. Inspect contacts for dirt or damage and keep them clean to ensure reliable electrical connection.