The item mentioned above is a high-quality battery for your Sony NH-10WM. It is an excellent replacement battery for your existing or defective Sony NH-10WM battery. 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 protection electronics against overcharging and short circuits. By using high-quality cells, a higher number of charge-discharge cycles can be achieved, which means a longer lifespan for your new Sony NH-10WM battery. Quality is our top priority. This means all batteries are new and unused. Our own quality assurance ensures a high standard of quality. As one of the largest suppliers of batteries, power supplies, and chargers, we have a very extensive inventory and therefore a very high delivery capability. Our customers greatly appreciate this high availability, combined with first-class service. 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 produced or recommended by them. All brand and product names belong to their respective owners and are only used for compatibility description.