1. Scope This document described Lithium Iron Phosphate Battery (51.2V 100Ah) , including mechanical design , basic performance, test method and notes for use. The product applies to telecommunication back up power and storage system. 2. Mechanical Design

File Name Issuance Date 3. Battery Pack Basic Performance

File Name Issuance Date 4.1 Battery pack main performance parameter

File Name Issuance Date 4.2 Ambient Character for cell RT-RD-LFP51100-2

File Name Issuance Date 5. BMS (Battery Management System) 5.1 Protection Parameter

File Name Issuance Date

File Name Version Controlled # 6. Battery panel and connector interface

File Name Issuance Date 7. Storage and Transportation Requirement 8. Notes for Battery Usage 8.1 Prohibition For avoiding battery leakage, heat radiating, explosion, below prevent tips should be taken care of: a) Prohibition of disassemble or re-assembly; b) Prohibition of short circuited battery; c) Prohibition to use near hot source; d) Prohibition of dumping of battery into water, ocean or getting battery wet; e) Prohibition of charging near fire or under sunlight; f) Charge with specified charge according to charging requirement; g) Prohibition of inserting nail into battery, hammering or...

File Name Issuance Date a) Prohibit of using battery in sunlight, otherwise will cause over hot, firing, or function failure, life reducing; b) Prohibit use near static place which over 60V; c) Prohibit charge at temperature below 0°C or above 60 °C; d) When use at first time, if has corrosion, or bad smell, or any other abnormal, please do not use. 9. Attachment: 9.1. Curve of cell charging and discharge