HENG LONG 7.4V USB Battery Charger Instruction Manual
- June 5, 2024
- HENG LONG
Table of Contents
7.4V USB CHARGE
INSTRUCTION MANUAL
7.4V USB Battery Charger
Please read the instructions carefully before use. Please keep the
instructions ready for occasional use.
The content of the instructions may differ from the physical object, and the
latter shall prevail.
USB Charging mode of USB charger.
-
Insert the USB cable into the USB port on the computer (as shown in the figure), or the mobile phone charger (as shown in the figure).
Now, the indicator light of the USB cable will light up; -
Then connect the plug of the battery with that of the USB cable in line with their polarity (as shown in the figure).
The indicator light of the USB cable will be fully on and flash, which denotes that it has started to get charged.
About 4 hours later, the indicator light of the power will turn off, indicating that the electricity is full.
Warning
Caution
- When the battery is getting charged, please use the special USB cable of this material to avoid danger!
- Please take good care of the battery pack. Before charging. Please charge the battery pack according to standard charging time to prolong its service life, and avoid damage to the battery caused by improper use.
- Do not reversely connect the positive and negative poles! Do not put the battery pack into the water or wet them!
- Do not charge the battery pack under fire or extremely hot environment! Do not use or store battery packs near heat sources, such as fire or heaters! If the battery leaks or smells, please remove it immediately from the place that is close to the open fire. Before the first use, the battery should be fully charged.
- Do not put the battery pack into the fire or heat them!
- Do not use wires or other metal objects to short-circuit the positive and negative poles of the battery pack!
- Do not use nails or other sharp objects to pierce the battery pack shell; do not hammer or pedal the battery pack!
- Do not disassemble the battery pack or the battery in any way!
- Do not put battery packs in microwave ovens or pressure vessels!
Notice
Dear users:
This product is equipped with an eco-friendly and energy-saving lithium battery as the power supply. Please strictly abide by the instructions while using it, so that your lithium battery can work normally.
- Before the first use, the lithium batteries must be fully charged.
- The battery should be recharged after each use (no matter how long it was used) to keep the battery charged;
- When the battery is about to run out, it should be recharged as soon as possible. If the battery is not recharged in case of over-discharge, the battery cycle life and performance will be seriously damaged or the battery will be permanently damaged;
- Batteries cannot be used in extremely hot environments, such as under direct sunlight or in a car in hot weather. Otherwise, the overheated batteries will affect the performance and shorten the cycle life.
- Ambient temperature will affect the capacity of electric discharge. When the ambient temperature exceeds the standard environment (25t ± 5t), the capacity of electric discharge will decrease.
- During the charging and discharging of the batteries, if an abnormal odor or sound appears, please stop the charging or discharging immediately.
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