Model number 5420AN battery protection module with builtin sensor. Maximum current 50A. Effectively protects the battery to improve conversion rates. No concern chemicals. Key benefits Protects battery systems from excessive current and conditions that reduce conversion efficiency Builtin sensor provides continuous monitoring to support stable operation Supports systems that require up to 50A continuous current Simple integration into existing power setups for improved overall performance Primary functions Monitors current and battery condition using the included sensor Limits or interrupts excessive current to reduce stress on the battery Helps maintain higher conversion efficiency under normal operating conditions Compatibility and applications Suitable for battery banks, inverter and charger systems, and power management setups that operate at or below 50A Common use scenarios include solar offgrid battery systems, backup power UPS installations, and marine or RV battery systems where improved conversion efficiency is needed Can be used with a wide range of lead acid and lithium battery systems when matched to current and voltage requirements Design and performance notes Model 5420AN is designed for practical installation in compact setups and typical electrical enclosures Builtin sensor eliminates the need for a separate sensing module Rated for a maximum continuous current of 50A to match medium duty power systems Contains no concern chemicals, supporting safer handling and installation What you get One protection module, model 5420AN, with integrated sensor and 50A maximum current rating Clear functional role: protect the battery and help improve conversion rates in powered systems Installation guidance Verify the system voltage and wiring are compatible with the module before installation Install the module where the sensor can accurately read the monitored parameter for reliable operation Use appropriate wiring and protective components sized for 50A continuous current Suitable use cases Solar offgrid array using a battery bank where monitoring and protection help maintain conversion efficiency Home or small business backup power UPS to prevent battery stress and support reliable switchover Marine or RV electrical systems where compact protection and sensor monitoring simplify system management Specifications summary Model number 5420AN Color designation: With sensor Maximum current: 50A concern chemical status: No concern chemicals Note: Confirm electrical compatibility with your system specifications prior to and installation.