REPLACEMENT CHARGER: Includes one 12V6AH LiFeP04 charger with both spade terminal and round terminal wiring harnesses. FITS SELECT LiFePO4 BATTERIES: This charger is compatible with MarCum Brute, King, and Max LiFeP04 batteries. MULTI-STAGE CHARGE: A versatile, multi-stage charge types include fast, reduced-charge, and maintain cycles to prevent overcharging. CHARGING SPEED: A full charge cycle takes between 2 and 7 hours, depending on battery. IMPORTANT NOTE: This replacement charger is NOT compatible with SLA, Lithium Ion, or Lithium Shuttle batteries. The 12v6amp LiFePO4 Charger works with the MarCum LiFePO4 Batteries, Kits, and “L” labeled systems. This charger is multi-stage for fast initial charging, reduced-charge near full, and a maintain charge cycle to prevent overcharging. A full charge of the LP41218 will take 2 - 7 hours, depending on battery. This charger is NOT compatible with Lead-acid, Lithium Ion Mite, or Lithium Shuttle batteries. 12V6AH LiFeP04 charger Compatible with MarCum Brute, King, and Max LiFeP04 batteries Lithium LiFeP04 compatible charger – not for use with SLA, Lithium Ion, or Lithium Shuttle batteries Multi-stage charge types include fast, reduced-charge, and maintain cycles Full charge cycle – 2 - 7 hours, depending on battery Includes both spade terminal and round terminal wiring harnesses.