pRRU3901Compliance and Safety Manual
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
2.3.6 Fuse
If a fuse is to be replaced, the new fuse shall be of the same type and specifications.
2.3.7 Battery
I. Storage Battery
Before operating storage batteries, carefully read the safety precautions for battery handling
and connection.
Improper handling of storage batteries causes hazards.
When operating storage batteries, avoid short circuit and overflow or leakage of the
electrolyte. Electrolyte overflow may damage the device. It will corrode metal parts and
circuit boards, and ultimately damage the device and cause short circuit of circuit boards.
Risk of explosion if battery is replaced by an incorrect type. Dispose of used batteries
according to the instructions.
II. Basic Precautions
Before installing and maintaining the battery, note the following:
Do not wear metal articles such as wristwatch, hand chain, bracelet, and ring.
Use special insulation tools.
Take care to protect your eyes when operating the device.
Wear rubber gloves and a protective coat in case of electrolyte overflow.
When handling a storage battery, ensure that its electrodes are upward. Leaning or
reversing the storage battery is prohibited.
III. Short Circuit
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