Multi-purpose Dry Batteries ( Classification-R03, R6, R14 and R20 ) - IS 8144
Multipurpose dry batteries are covered under IS 8144:2018. This standard covers all types of Zinc Carbon batteries in various sizes, including R03, R6, R14, and R20, for various applications. This standard specifies the tests, dimensions, and requirements for Leclanche type dry batteries of designations R 6 for use in transistor radio receivers, flashlights, and hearing aids, as well as R 14 and R 20 for use in transistor radio receivers, flashlights, and cassette tape recorders.