18 Volt Battery - 4 Ah With a battery-powered electrical tool, you benefit from significantly more freedom of movement. But at some point even the strongest battery is empty and the work is probably not over yet. Only one thing can help - the freshly charged spare battery from MSW. High-quality lithium-Ion-battery without memory effect LED charging display reveals the charging level at the push of a button High-quality materials make it more durable Compact, light and easy to connect Secure thanks to the overloading protection Fast charging time of 120 min for 100%