Battery Saver 24 Volt Charger Pulse Maintainer and Tester (50 Watt) 2365-24L

Built-in LCD Digital Battery or Battery System Tester (Reads: Voltage, AMPs and Battery of Life Percentage Bar)  Auto-Pulse Technology Extends Battery Life. Prevents Premature Replacement. Works with Most Size and Types of Batteries, Including SLA, GEL, Dry Cell, AGM, Deep Cycle, and Spiral Cell. Safe! Reverse Polarity Protection, no-sparks. Mounts on Walls or In Vehicles.