This HY 4629451 Multi-Stage Pallet Jack Charger with O-Ring Connectors is designed for a wide variety of 24 Volt Hyster Lifts. Compatible with Hyster Pallet Jacks= W 40Z (B218), 45Z (C215). Use charger for charging Lead Acid (lead acid, sealed lead acid, gel cell, & AGM) batteries only. Compatible with battery capacity 50-200Ah. Charging mode switches automatically to Float/Maintenance to prevent over-charging and excessive self-discharge. 5 built-in LEDs display: Power On, Battery State Of Charge (SOC), Charge Mode, & Errors.