Amazon has 2-Pack Bosch 12V Max Li-Ion 2.0 Ah Battery (BAT414-2PK) on sale for $51.37. Shipping is free.

About this product:

• Lightweight and portable at only 0.3 lbs
• Works in cold weather temperatures down to -4° F
• Electronic cell protection helps guard against overheating, overload and unnecessary discharge
• Compatible/Operates with Bosch 12V Max cordless power tools and chargers