2.0Ah; also compatible with AA batteries via adapter

Features:

• All-in-one 360° three-plane leveling and alignment with one horizontal and two vertical green-beam lines
• Power flexibility: runs on included 12V Max Li-ion battery or AA batteries (adapter included)
• Bluetooth connectivity for remote setup and brightness control via Bosch Leveling Remote App
• IP65-rated housing with rubber overmold and grip base for jobsite durability
• Range up to 100 ft (330 ft with receiver) and ±1/8 in accuracy at 30 ft
• Smart Pendulum self-levels, indicates out-of-level, and locks for transport
• Includes battery, charger, DK20 ceiling clip, magnetic L-bracket, target plate, AA adapter, and hard case