Key Features of SUPOWER BX12-BS/BX14-BS/ BTX14-BS Auxiliary Battery
High-performance AGM technology ensures reliable power delivery for BMW/Benz start-stop systems, extending battery life by 3X compared to standard models. Precision-engineered lead-calcium grids resist corrosion, maintaining stable voltage (12V) even in extreme temperatures (-30°C to 60°C). Compact 10Ah-14Ah capacity fits tight vehicle compartments while delivering 800A cold cranking amps for instant engine starts. Factory-direct sealed construction eliminates acid leaks; vibration-resistant design withstands rough road conditions. Ideal for luxury car backup systems, marine applications, and RV power storage—seamless OEM replacement with no wiring modifications. Direct bulk pricing: wholesale rates for auto shops, dealerships, and fleet managers with global shipping.