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These batteries are considerably cheaper than other major competitors but performance wise are on the same level or only slightly worse.
Pro Easy to open packaging
Most batteries come in plastic containers that you have to rip or cut open, but these ones come in a reusable cardboard box.
When delivered, they are already pre-charged up to about 70% so you don’t have to wit very long to fully charge them.
Con Doesn’t hold charge long
When stored, these batteries tend to lose charge quicker compared to alternatives. Expect about 20-30% loss per year.
Con Shorter lifespan
While most non high-capacity rechargeable batteries have 1500 or 2000 charge cycles this one is rated for 1000 cycles. Still, that is more than plenty for the majority.