The LG V20 has a 3200 mAh, replaceable battery. For a lot of people, that will get you through the day. But what if you need more? Well, you could buy an extra battery or two and just swap them out as you go along. Or, if you'd prefer to improve your forearm strength while you operate your phone, you can buy ZeroLemon's monstrous battery case for the V20 that more than triples its battery life.

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