The item mentioned above is a high-quality, compatible battery for your BBM 420. It is ideal as a replacement battery for your existing or defective BBM 420. It can also serve as an additional spare battery for on-the-go use. Handling and charging are as usual straightforward with the standard power supply or charger. A high level of safety is provided by the protective electronics against overcharging and short circuits. The use of high-quality cells allows for a greater number of charge-discharge cycles, resulting in a longer lifespan for your new BBM 420 battery. Quality is our top priority. This means that all batteries are new and unused. Our own quality assurance ensures a high standard of quality. Note: Unless we explicitly state that this is an original product, we supply a compatible product. This means it is by no means an original product from the manufacturer and is therefore not manufactured or recommended by them. All brand and product names belong to their respective owners and are only used for compatibility description.