Parallax Power Supply 4400LBU Lithium Battery Charging Module

The Parallax Power Supply 4400LBU is a specialized lithium battery charging module designed to provide optimal charging performance for lithium battery systems in RVs, marine vessels, and other mobile applications. This module upgrades existing Parallax power converter systems to safely charge lithium batteries with the proper voltage profiles.

Key Features:

• 4-hour charging cycle at 14.0 VDC for efficient lithium battery charging
• 13.9V float mode maintains full charge without overcharging
• Compatible with multiple Parallax converter series: 8300, 5300, 5400, 4400, 45RU, 55RU, 5355R, and 6345RU
• Assembled in North America using US steel construction
• ETL safety listed for reliable operation
• Easy plug-and-play installation into compatible Parallax power centers

This charging module is essential for RV and marine owners who have upgraded to lithium batteries, as it provides the specific charging voltage profiles required for lithium chemistry versus traditional lead-acid batteries. The module prevents overcharging and ensures your lithium batteries receive the optimal charge for longevity and performance.