This part of GB/T 13337 specifies the technical conditions for fixed exhaust lead-acid batteries (hereinafter referred to as batteries), including technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage tests. This section is applicable to switches, safety protection devices, signal systems, telecommunications devices, computers, emergency lighting, and various DC power supply batteries and battery packs. This section does not apply to fixed valve regulated lead-acid batteries and lead-acid batteries for energy storage. The following normative references are essential for the application of this document. For dated references, only the dated version applies to this section. For undated references, the latest version (including all modification orders) applies to this document. GB/T 2900.41 Electrotechnical Terminology - Primary Batteries and Accumulators - GB/T 13337.2 Fixed Exhaust Lead Acid Batteries - Part 2: Specifications and Dimensions - IEC 60896-11:2002 Fixed Exhaust Lead Acid Batteries - Part 11: General Requirements and Test Methods - Terms, Definitions and Symbols - The terms and definitions defined in GB/T 2900.41 apply to this document. The following symbols apply to this document. C—— The actual capacity of the battery at the reference temperature (25 ℃), in ampere hours (A · h); C. - The measured capacity of the battery is the product of discharge current I and discharge time t, in ampere hours (A · h); Ca, s - rated capacity at a rate of 0.5 hours, with a value of 0.35Co, in ampere hours (A · h); C -1-hour rated capacity, with a value of 0.45Co, in ampere hours (A · h); Ci. -- 10 hour rated capacity, in ampere hours (A - h); 1o.s -0.5 hour rate discharge current, with a value of 7I., Unit: Ampere (A); I -1-hour rate discharge current, with a value of 4.5Io, in amperes (A); Ix. -- 10 hour rate discharge current, value C/ 10, in amperes (A); R - Charge retention capacity; U—— The charging voltage of a single battery during constant voltage charging, ranging from 2.25 to 2.40, in volts (V); U - The charging voltage of a single battery during trickle charging, ranging from 2.15 to 2.25, in volts (V)
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