The above-mentioned item is a high-quality battery for your Mi Robot BRR-2P4S-5200S. It is an excellent replacement battery for your existing or defective Mi Robot BRR-2P4S-5200S battery. 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. The use of high-quality cells allows for a greater number of charge-discharge cycles, resulting in a longer lifespan for your new Mi Robot BRR-2P4S-5200S battery. Quality is our top priority, which 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 thus 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 provide 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 used solely for compatibility description.