The AR12V105-GC2 lithium-ion battery from ARI Energy, Huizhou, China, provides scalability to support the connection of multiple batteries in parallel and/or in a series. For safety, each battery has a built-in management system that monitors temperature, voltage and current in real time with a beeping alarm system and automatic fault diagnosis. A max 1C charging current enables fast charging and a heating system supports low-temperature charging.