Joyzis 300Wh portable backup battery review: Extra power at half the cost!
I recently had the chance to test out a new portable backup battery from a company I hadn’t heard of before: Joyzis. They sent me their BR300 model to test out for my daily use needs. While I never know what to expect the first time I test a product from a new (to me) company, the Joyzis 300 Wh power station actually blew me away with the features and price.
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