Save $20 when buying the 3 pack of our High Capacity batteries (with instant reading power level indicator). In our tests, a fresh one powered a handset 2 for 16 hours! How? It's Lithium Ion technology, much more powerful than the original manufacturer's. You can rest assured that the one you are reaching for is hot, because ours have an instant reading power level indicator. Never embarrass yourself again with a dead battery. They are cheap enough to replace often, so you can always make sure that yours are tip-top..