Looking for Roger Guide-U battery

I searched for the company name that’s on the battery. Their website has a “Contact Us” option, they might be able to help.

Intellect Pioneering Battery Tech., Co., Ltd. - Home1

Sometimes you have to just get one close enough size-wise. The voltage will be the same, the storage different but probably negligible when you consider the degradation that occurs in battery lifetime. Current capability almost certainly sufficient. See if you can’t find something almost the same. AliExpress is one common source for items like this.

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