If you take a Sharpie and write the date onto the battery when you buy it, then if the battery starts giving you grief (e.g. it’s frequently not charged when you fetch it from the storage container) after its normal lifespan, you can toss it without worrying that it’s a defective battery or that you did something wrong.
If you take a Sharpie and write the date onto the battery when you buy it, then if the battery starts giving you grief (e.g. it’s frequently not charged when you fetch it from the storage container) after its normal lifespan, you can toss it without worrying that it’s a defective battery or that you did something wrong.