SBR-23LI Li-Ion Battery Pack for HX210Standard Horizon SBR-23LI Li-Ion battery 7.4V/1850mAh for Standard Horizon HX-210 marine radio. The Standard Horizon SBR-23LI is a Li-ion battery pack designed for the Standard Horizon HX210 handheld VHF radio. Here are the details: Compatibility: The SBR-23LI battery pack is specifically designed for use with the Standard Horizon HX210 handheld VHF radio. It is designed to be a direct replacement or spare battery for this specific model. Li-ion Battery: The battery pack utilizes Lithium-ion (Li-ion) technology, which offers a high energy density, longer lifespan, and lighter weight compared to other battery types. Capacity: The specific capacity of the SBR-23LI battery pack is not provided in the information provided. However, it is designed to provide sufficient power for extended use of the Standard Horizon HX210 radio. Standard Horizon is a reputable manufacturer of marine electronics, including VHF radios and other communication devices.