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By certification 
Feature:
1.Higher Power : Delivers twice power of lead acid battery ,even high discharge rate, while maintaining high energy capacity
2.BMS Comprehensive Protection: The lithium battery has a built-in Battery Management System (BMS) that can protect it from overcharging, deep discharge, overload, overheating and short circuit, and low self-discharge rate
3.Wide application: Suitable for RV, Caravan, Marine, Boat, Overland, Backup power supply and Off Grid Applications.
BUILT-IN SMART BMS
OUR LIFEPO4 BAT TERY HAS BUILT-IN BMS (BAT TERY MANAGEMENT SYSTEM) TO PROTECT IT FROM OVERCHARGE, OVER-DISCHARGE, OVER-CURRENT, AND SHORT CIRCUIT WITH EXCELLENT SELF-DISCHARGE RATE. BUILT-IN HIGH TEMP CUT OFF PREVENTS CHARGING OVER 122 °F (50。C).
http://www.powerspacex.com/
