SMAKN® 24V Lead-acid Battery Capacity Display Module Battery tester<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Max input voltage: 1.3 time of the nominal voltage (nominal voltage &lt;30V)</li><li>1.2 time of the nominal voltage (nominal voltage&gt; 30V)</li><li>Max input current: &lt;50mA</li><li>Operating temperature: -10 ~ 50 ℃</li><li>The max allowable power consumption: 2.0W</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41FL-yoaHrL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/414AybItZtL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31ejYGE5OOL.jpg" noproxy>