Bosch GBA18V40 18V CORE18V Lithium-Ion 4.0 Ah Compact Battery

This Bosch 18V CORE18V battery is a next - generation lithium - ion powerhouse. Included in the package is a single high - quality battery. It's a compact 18V Li - ion battery crafted to offer top - notch power and long runtime while being light as a feather, which is ideal for all - day jobsite use. The high - power cells utilize advanced 21700 cell technology and an innovative battery design for unbeatable efficiency. The cutting - edge cell design enhances performance in tools used throughout the day on the jobsite, and it comes with Bosch's exclusive CoolPack 2.0 heat management. This technology cools the battery 15% faster than previous 4.0 Ah double - layer versions. Despite weighing only 1.15 Lb., it delivers performance on par with much heavier batteries. Specifications include a 4.0 Ah capacity, lithium - ion chemistry, 18V voltage, 72.0Wh, 1.85' height, 4.6' length, 800.0 watts, 1.1 lb weight, and 3.0' width. This single - layer battery reduces resistance and boosts efficiency, improving the performance - to - weight ratio of your tools.

Using your Bosch 18V CORE18V battery is easy. Simply insert it into your compatible power tool until it clicks into place. Before first use, make sure the battery is fully charged. When using the battery, avoid exposing it to extreme temperatures, as this can affect its performance and lifespan. Don't overcharge the battery; once it's fully charged, remove it from the charger. For maintenance, keep the battery clean and dry. Wipe it with a soft, dry cloth if it gets dirty. If you're not going to use the battery for a long time, store it in a cool, dry place with about 50% charge. This will help keep the battery in good condition for when you need it again.