LiitoKala Lii-500 Smart Battery Charger with Display and 4 Slots

User Manual

Introduction

Please read this manual carefully before first use. Keep this manual for future reference.

Thank you for using the Lii-500, a high-end smart charger with four independent charging slots. Its main features include: battery capacity detection, battery internal resistance detection, reverse polarity protection, short-circuit protection, overcurrent protection, temperature control, charging between 1.65V-2.2V, 5V USB output, and battery activation without voltage. It automatically monitors the battery while charging.

The Lii-500 can charge various types of rechargeable cylindrical lithium-ion batteries and cylindrical Ni-MH AA/AAA batteries, which are widely used in flashlights, power tools, instruments, digital cameras, and other electronic products.

Specifications

DC input voltage: 12 V / 2.0 A
Lithium battery charging current: 300 mAh / 500 mAh / 700 mAh / 1000 mAh (4.2V)
Ni-MH charging current: 300 mAh / 500 mAh / 700 mAh / 1000 mAh (1.48V)
Rechargeable battery specifications: 18650/26650/14500/AA/AAA
Discharge current: 250 mAh / 500 mAh
USB output: 5 V - 1000 mAh
Termination mode: Intelligent voltage monitoring
Dimensions: 162 × 96 × 36 mm

Device Appearance

The LiitoKala Lii-500 charger features four independent charging slots and a central LCD display. On the top, there are input and output ports. The device has several buttons for mode and current selection, along with individual channel buttons.

1: Input 12 V / 2.0 A
2: USB Output 5 V / 1.0 A
3: Channel Number (displayed on screen)
4: Mode Selection (MODE button)
5: Current Selection (CURRENT button)
6: LED Display
7-10: Channels 1-4

Warnings

⚠ This charger can only charge cylindrical lithium-ion and Ni-MH batteries. Lithium iron phosphate (Li-FePO4) batteries are not supported.
⚠ Please read the instructions carefully before use, pay attention to the recommended battery charging current, and do not exceed the recommended charging current.
⚠ Do not use other power adapters.
⚠ It is normal for the charger to have a slight fever during charging and discharging.
⚠ If you stop using the charger, disconnect the power supply and remove the battery.
⚠ For indoor use only.
⚠ The measured product data is for reference only.

Features

Four charging current regulations (300 mA / 500 mA / 700 mA / 1000 mA).
Different specifications of batteries can be charged simultaneously (18650 / 26650 / AA / AAA...).
The charger uses an independent LED screen to display parameters such as voltage, current, time, capacity, and internal resistance.
In CHARGE mode, each channel operates independently. You can select different currents and batteries for charging, such as lithium-ion and Ni-MH batteries.
In FAST TEST mode, the four channels quickly detect battery capacity. Both lithium-ion and Ni-MH batteries can operate independently. There are two processes for fast battery capacity detection: one is discharge, the other is full capacity.
In NOR TEST mode, battery capacity is determined in three steps (full charge, discharge, then full charge).
CHARGE mode, FAST TEST mode, and NOR TEST mode can operate simultaneously.
A series of protection functions: overcharge and overload protection, short-circuit protection, voltage-free activation, charging between 1.65V-2.2V, intelligent bad battery detection, reverse battery protection.
With standard USB 5V / 1000mA output function, full USB output from one lithium battery to four lithium batteries / Ni-MH batteries cannot have USB output.
Equipped with a dedicated power adapter. Input DC voltage: 12V/2A.

Button Descriptions (MODE)

There are six easy-to-operate buttons: mode selection (MODE), current selection (CURRENT), independent selection, and data selection (1,2,3,4).
After selection, press and hold the MODE button for three seconds to switch modes: CHARGE, FAST TEST, or NOR TEST (capacity detection). Then, within eight seconds, press the corresponding function selection button again to change the current. The selected function will switch to the operating state within eight seconds. In operating state, press the channel button (1,2,3,4) to display current (mA), capacity (mAh), volt (V), and time (h).

Operating Mode Descriptions

CHARGE Mode

When the charger is powered on, the LED indicator lights up immediately. If no battery is inserted,

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