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ISO/NP 24600-25,- ISO/TC 173/SC 1 N 905 Wheelchairs- -- Part 25: Part25: Batteries and chargers for powered wheelchairs -- Requirements and test methods

Source:
ISO
Committee:
CH/173/1 - Wheelchairs
Categories:
Information management | Standardization. General rules | Measurement and Science | Testing | Testing. Electrical and electronic | Healthcare | Aids. Disabled persons | Aids. Disabled persons. General | Aids. Adaptation for moving | Electrical engineering | Cells and batteries

Scope

This International Standard specifies requirements and test methods for lead-acid batteries and their chargers intended for use with electrically powered wheelchairs. Requirements for chargers are applicable to those with a rated input voltage not greater than 250 V a.c. and a nominal output voltage not greater than 36 V.

Purpose

This standard covers batteries and their chargers for powered wheelchairs in general. With the introduction of Lithium ion batteries for use in wheelchairs there needs to be a differentiation between these 2 chemistries. The standard for lithium-ion batteries for wheelchairs is currently under development. Furthermore changes to cyclic endurance and charge retention have made these criteria more meaningful.