These are the very best rechargeable batteries I have found they are also the best rechargeable lithium batteries that I have tried. I love that these batteries come with a charger and I got two small battery cases which come in very handy. I use these and wireless microphones to stream video and audio for church services and other meetings during Covid. The standard NiCad or NiMi batteries will last one or two meetings while the lithium batteries have lasted 8 to 10 meetings of two hours each with a week of storage in between. A huge difference and a lot less hassle. I also use these in my Blink wireless security video cameras and they last months. These will be my batteries of choice for a long time to come
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