The product is a set of 4 rechargeable 9V lithium batteries with a high capacity of 850mAh each, manufactured by the brand czvv. These square batteries are ideal for use in high drain devices and low drain devices, offering reliable power for various applications in the sound and vision category. The lithium chemical composition ensures long-lasting performance and rechargeability, making these batteries a convenient and efficient power solution for a range of devices requiring 9V power sources.
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