Rechargeable battery packs, button cells, NiMH (Nickel-Metal Hydride) batteries are widely used in various applications due to their convenience, cost-effectiveness and environmental benefits.Rechargeable battery packs are commonly found in portable electronic devices, such as laptops, smartphones, tablets, and cordless power tools.Our packs contain multiple rechargeable cells, either Lithium-ion or Nickel-based, that can be charged and reused multiple times.The benefit of rechargeable battery packs is their ability to reduce waste and save money in the long run by eliminating the need for frequent disposable battery replacements.