Huawei Consumer Cellular Envoy User Manual page 26

electric shocks.
If your charger has been exposed to water, other

liquids, or excessive moisture, take it to an authorized
service center for inspection.
Ensure that the charger meets the requirements of

Clause 2.5 in IEC60950-1/EN60950-1 and has been
tested and approved according to national or local
standards.
Connect the device only to products with the USB-IF

logo or with USB-IF compliance program completion.
Battery safety
Do not connect battery poles with conductors, such as

keys, jewelry, or other metal materials. Doing so may
short-circuit the battery and cause injuries or burns.
Keep the battery away from excessive heat and direct

sunlight. Do not place it on or in heating devices, such
as microwave ovens, stoves, or radiators. Batteries may
explode if overheated.
Do not attempt to modify or remanufacture the

battery, insert foreign objects into it, or immerse or
expose it to water or other liquids. Doing so may lead
to fire, explosion, or other hazards.
If the battery leaks, ensure that the electrolyte does

not make direct contact with your skins or eyes. If the
electrolyte touches your skins or splashes into your
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