LittoKala Lii-S2 User Manual

Lii-S2
Auto-Polarity Detect Charger
USER MANUAL
This charger is designed for portable, flexible and multi types of battery. It can detect
the battery polarity, battery type and charge the battery automatically under your
selected charging current. Built-in digital tube indicator to display the charging
real-time status
Any Polarity
Digital Charge Display

LittoKala Lii-S2 Specifications

Power

input voltage	DC 5V
input current	2A
output voltage for Li-Ion	DC 4.2V
output current for Li-Ion	2000mA 1pc; 500mA/ 1000mA 2pcs
output voltage for IMR	DC 4.35V
output current for IMR	2000mA 1pc; 500mA/ 1000mA 2pcs
output voltage for LeFePO4	DC 3.65V
output current for LeFePO4	2000mA 1pc; 500mA/ 1000mA 2pcs
output voltage for NiMH/NI-Cd	DC 1.48V
output current for NiMH/NI-Cd	500mA
standby current	No more than 15mA

Weight and Dimensions

length	118mm
width	63mm
height	30mm
weight of charger	48 grams
weight of USB cable	17 grams

Summary

User Manual Introduction

Product Overview

Charger for portable, flexible, multi-type batteries with auto-polarity detection and digital status display.

Charger Features

Independent Charging System

Two-slot independent charging system with Micro USB DC 5V input.

Battery Polarity Detection

Automatic detection of battery polarity, supporting any polarity input.

Selectable Charging Currents

Selective 500mA, 1000mA, 2000mA charging currents for Lithium batteries.

Real-time Status Display

Built-in digital tube indicator for real-time charging status.

Automatic Battery Identification

Automatic identification of Li-Ion and Ni-MH batteries.

Manual Battery Mode Selection

Manual selection for IMR (3.85V) and LiFePO4 (3.2V) batteries.

OV Battery Activation

Activation function for batteries with 0V PCM protection.

Charging Limits and Protections

Limits for NiMH/Cd and Li-Ion, plus over-charging/discharge protection.

Defective Battery Detection

Detection of broken or defective batteries.

Operation Instructions

Mode Button Functionality

MODE button for selecting battery types, charging current, and tracking status per channel.

Changing Charging Parameters

Long press for current, short press for battery type; defaults to Ni-MH/Li-ion.

Charging Initiation

Charging begins 5 seconds after settings are made.

Connection and Status Indicators

Connect via USB, insert battery; display shows 'V' flashing, 'null', or 'Full'.

Viewing Real-time Data

Short press MODE button during charging to view voltage, current, time, capacity.

Product Specifications

Input and Output Specifications

Input: Micro USB 5V/2A. Output voltages and currents for Li-Ion, IMR, LiFePO4, NiMH/Ni-Cd.

Charging Method

Constant voltage charging with cut-off current less than 100mA.

Standby Current

Standby current is no more than 15mA.

Compatible Battery Types

Lists compatible Li-ion, IMR, LiFePO4, Ni-MH, and Ni-Cd battery sizes.

Physical Dimensions and Weight

Dimensions: 118x63x30mm. Weight: 48g (charger) + 17g (USB cable).

Certifications and Origin

CE, FC, RoHS certifications. Design and made in China.