This part of IEC 62257 provides baseline requirements for quality, durability and truth in advertising to protect consumers of off-grid renewable energy products. Evaluation of these requirements is based on tests described in IEC TS 62257-9-5. This document can be used alone or in conjunction with other international standards that address the safety and durability of components of off-grid renewable energy products.dition 1.0 2020-06 TECHNICAL SPECIFICATION Renewable energy and hybrid systems for rural electrification – Part 9-8: Integrated systems – Requirements for stand-alone renewable energy products with power ratings less than or equal to 350 W IEC TS 62257-9-8:2020-06(en) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright ？ 2020 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specifi