What type of battery is typically used in RAWS?

The correct choice is deep cycle lead-acid or lithium-ion batteries due to their suitability for the operational requirements of Remote Automated Weather Stations (RAWS). These batteries are designed to provide a steady flow of power over extended periods, which is essential for devices that are deployed in remote locations and operate continuously.

Deep cycle lead-acid batteries are known for their ability to be discharged and recharged many times without damage, making them ideal for applications where consistent power is necessary, such as weather monitoring. Similarly, lithium-ion batteries offer advantages like lightweight, higher energy density, and longer life cycles, which supports the efficiency and reliability of the equipment used in RAWS.

Other battery types, such as nickel-cadmium batteries, are less commonly utilized in these systems primarily due to their memory effect and lower energy density. Alkaline batteries, while readily available, are typically not rechargeable and do not support the longer operational requirements of RAWS. Lithium polymer batteries, although useful in specific applications, may not provide the same level of durability and performance consistency for the continuous power demands of weather stations as deep cycle lead-acid or lithium-ion batteries do. Thus, the choice of battery type is critical for ensuring the reliability and functionality of RAWS systems.