User's Manual

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User manual for D4S charger

Specifications

Input : AC 100-240V 50/60Hz 15W

DC 12V1000mA

Output: 4.2V ±1%1.5A(max)

Compatible with:

Li-ion/IMR/LiFePO4:

18650, 21700,26650

Features

•Capable of charging two batteries simultaneously

•Each battery slot controls and charges independently

•Up to 1.5A charging speed in a single slot

•Battery type and charging current can be set manually

•Automatic selection of constant current, constant voltage, dV/ dt charging mode to charge

the battery

•Automatic Identification of Lithium Ion Battery and Ni-H / Ni-CD Rechargeable Battery

•With an LCD display, the battery type and charging information can be displayed

•Comes with Bluetooth module, can connect to the phone to view battery type, charging

information and set battery charging voltage and charging current

•Automatically detects battery power status and displays charging progress

•Reverse polarity protection and short circuit prevention

•Li-ion battery restoration

•Overtime charging protection

Operating Instructions

Connect to power source: connect the D4Sto an external power source (wall outlet, car adapter.

etc.) via its power cord.The screen will display the last two Bluetooth ID of the charger.

Insert batteries: The D4S features two independently controlled charging slots. Insert

batteries of supported types into each slot according to the polarity marks on the slot.

Smart charging: The D4S can choose charging currents based on intelligent detection about

battery types and capacities. Manual charging current selection is also available. The D4S is

compatible with:

3.7V Li-ion rechargeable batteries

When the battery is installed, the charger will automatically display the battery type and

charging information and enter the charging state.

Alarm fault：If the battery failure or short circuit is not rechargeable, the screen displays

"EE EE".

charging current ：The default charging current of this charger is 1.5A when charging a

single battery and 750mA when charging two batteries at the same time.

Summary of content (4 pages)

PAGE 1
User manual for D4S charger Specifications Input : AC 100-240V 50/60Hz 15W DC 12V1000mA Output: 4.2V ±1%1.5A(max) Compatible with: Li-ion/IMR/LiFePO4: 18650, 21700,26650 Features •Capable of charging two batteries simultaneously •Each battery slot controls and charges independently •Up to 1.
PAGE 2
Key function description: Charging mode: Short press SLOT key: when charging normally, short press SLOT key to switch channel display; Long press SLOT key: when charging normally, long press SLOT key to query the last two Bluetooth ID of the charger; when there is IMR battery in overdischarge state, long press SLOT key can enter activation mode. Short press MODE key: when charging normally, short press mode key to switch display battery charging current and the amount of electric charge has been charged .
PAGE 3
Charging time-out protection function: The charger will independently calculate the battery charging time for each slot, and when the charging time exceeds 10 hours, the charger will force the charging output of the tank to be turned off, and the full electric mark will be displayed. And the heating explosion phenomenon caused by the battery quality problem is effectively prevented.
PAGE 4
turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: - Reorient or relocate the receiving antenna. - Increase the separation between the equipment and receiver. - Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. - Consult the dealer or an experienced radio/TV technician for help.