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Current Surge Limiter

(On orders over $50)

$280.00

CSL500

The Current Surge Limiter (CSL500) is designed to protect LiFePO4 battery banks when used with large inverter/chargers rated at 3,500 watts or greater. By providing a controlled soft start, the CSL500 prevents high inrush current that can trigger BMS shutdown or cause system interruptions, ensuring reliable inverter startup and long-term battery protection.

Installed in series between the battery bank and inverter/charger, the CSL500 uses advanced FET-based current limiting technology to safely manage the initial current spike as inverter capacitors charge. This allows your system to start smoothly while protecting your batteries and maintaining consistent performance.

Resources

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Features

Features

Prevents BMS shutdown caused by high inrush current

Required for systems with 3.5kW or greater inverter/chargers

FET-based current limiting for fast, controlled soft start

Protects battery management system from current surge damage

Enables smooth charging of inverter capacitors in milliseconds

Permanently installs between battery bank and inverter/charger

Designed specifically for Battle Born Batteries LiFePO4 systems

Improves system reliability and inverter startup performance

Documentation

Download product documentation for the Current Surge Limiter, including Product Manuals, Cutsheets, Data Sheets, Quick Install Guides, Firmware Updates, Configurations, and more.

Documents:

Current Surge Limiter Wiring Diagram

Document

Technical Support

Have questions about whether the Current Surge Limiter is suitable for your power system? Battle Born Batteries’ Technical Sales Specialists are here to provide system consultations and support, answer questions, help you place an order, and more.

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