18650 Battery Rechargeable 3.7V Li-ion Batteries &amp; Smart Dual Charger<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Ultra-high capacity and premium built quality </span></li><li><span class="a-list-item"> Measurement: 6.8 cm x 1.86 cm x 1.86 cm </span></li><li><span class="a-list-item"> Charge complete about 2-3hrs </span></li><li><span class="a-list-item"> Capacity: 4000mAh </span></li><li><span class="a-list-item"> Suitable for Flashlight Torch/headlamp/In daily life </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41KZHzmSJIL.jpg" noproxy>