I bought these specifically for my VR controllers (Oculus Rift S). As soon as the batteries are 50% full, the tracking starts to falter. So I can really only use the batteries with 50% of their capacity. Batteries are expensive and don't last long when playing VR games. The solution to expensive batteries is rechargeable batteries. They can be recharged again and again. I did not notice any performance loss due to the amount of charge. I bought these batteries a while ago and they still work like new. The charger works as advertised. It is efficient and charges batteries quickly. Sometimes it's warm. I have eight batteries total, so four are charging all the time. I never know when a big VR session is going to happen, so I always like to be prepared. It is great.
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