You may want to purchase another Elinchrom Ranger RX Speed battery pack housing for the lithium modification so in the case you do something wrong, you have the backup, old standard lead battery. Your new charger WILL work just fine for the standard lead battery.
Stihl AL 500 High-Speed Battery Charger Offers the fastest charge times for all STIHL Lithium-Ion batteries. Part of the STIHL Lithium-Ion Battery KombiSystem, the AL 500 delivers the fastest charging time for all STIHL Lithium-Ion batteries. Now, you can spend less time charging and complete your projects faster. The AL 500 will even charge the high-capacity AR 900 backpack battery in less than 2 hours. For AP 80 and AP 180 batteries, charge time is just 25 minutes!
The Schumacher Automotive SpeedCharge Battery Maintainer and Charger is an exceptional battery charger that works on both 6- and 12-volts batteries with 1.5-amp output current. It features a fully automatic microprocessor controlled charger that keep the batteries at full charge using float-mode monitoring. This automotive battery charger is perfect for charging small batteries and great for maintaining small as well as large batteries found on motor cycles, classic cars, RVs, boats and more. The LED indicator lights on the charger shows three status settings: charging, charged, and trouble. The Schumacher Automotive SpeedCharge Battery Maintainer and Charger includes quick-disconnect harness for permanent attachment of ring connectors. The ring connectors work great for hard-to-reach motorcycle batteries. This Schumacher automotive battery maintainer is easy to use and keeps your batteries fully charged.