VK-emergency starting power supply 12V 4.5Ah NaCR32700-45H delivers high-current bursts up to 450A for reliable engine starts in automotive, marine, and heavy-duty applications. Featuring advanced sodium-ion technology, wide temperature resilience (-40~80°C), and intelligent protection against over-voltage, over-discharge, and overheating, it ensures durable, safe performance. Ideal for cold starts and emergency scenarios.More
