12 Volt Onboard Battery & Alternator Load Tester

• Allows you to monitor the condition of your battery and charging/alternator system at the press of a button
• For use on all 12V systems
• Ring terminals and a hook & loop backing provide permanent mounting option for all 12V systems with 18mm posts
• Easy to read LED display indicates good, fair and poor
• Weatherproof for additional safety and durability

Astro Pneumatic 7765 12 Volt Onboard Battery & Alternator Load Tester AO7765