The product is a set of two Holy Stone rechargeable lithium-ion polymer batteries with a voltage of 3.8V and an amp hours of 1300mAh. These batteries come with a charger for convenience. They are designed for use in various consumer electronics devices, providing a reliable and long-lasting power source for multiple purposes. The lithium chemical composition ensures high performance and a lightweight design, making them suitable for a wide range of applications. I ordered these and once I received them I noticed I ordered the wrong ones. These are brand new and comes with the charger.