BOSCH GBH18V-45CK27 PROFACTOR™ 18V Connected-Ready SDS-max® 1-7/8 In. Rotary Hammer with (2) CORE18V® 12 Ah High Power Batteries - Amazon.com
Amazon.com: BOSCH BAT155 Heavy Duty Battery Tester with Integrated Printer - Use with 6V and 12V Batteries, 12V and 24V Charging Systems, Large : Automotive