LiitoKala Lii-M4 Type-C Smart Charger AA/AAA & 18650/26650 with LCD Display

LiitoKala LiiM4 Smart 4Slot Charger (TypeC)

Smart, compact, and versatile the LiitoKala LiiM4 charges LiIon (up to 26650, 21700, 18650, etc.) and NiMH/NiCd (AA/AAA/C/SC) batteries. It also functions as a battery capacity tester and includes a 5V/1A USB output :contentReference[oaicite:1]{index=1}.

Specifications

• Input: USBC 5V / 2A :contentReference[oaicite:2]{index=2}
• Output Voltage: LiIon 4.2V / IMR 4.35V / NiMH 1.48V / LiFePO 3.65V :contentReference[oaicite:3]{index=3}
• Charging Current:
  • Slot 4: 1000mA 2 slots
  • All slots default at 500mA each :contentReference[oaicite:4]{index=4}
• Total Output Power: ~10W :contentReference[oaicite:5]{index=5}
• Dimensions: 14610033mm; **Weight:** ~206g :contentReference[oaicite:6]{index=6}

Compatibility

• LiIon/IMR (3.7V): up to 26650, 21700, 20700, 18650, 18500, 17670, 17335, 16340, 14500, 10440 :contentReference[oaicite:7]{index=7}
• NiMH/NiCd: AA, AAA, A, C, SC :contentReference[oaicite:8]{index=8}

Features & Display

• Independent 4slot charging with selectable current and chemistry
• Battery capacity test mode auto charge discharge recharge sequence :contentReference[oaicite:9]{index=9}
• Clear LCD display shows voltage, current, charge time, capacity (mAh), and battery type per slot :contentReference[oaicite:10]{index=10}
• 5V/1A USB output from slot 4 for powering small devices :contentReference[oaicite:11]{index=11}

Safety Protections

• 0V activation can revive deeply discharged cells :contentReference[oaicite:12]{index=12}
• Overcharge, over-discharge, short-circuit, reverse-polarity and bad-cell detection :contentReference[oaicite:13]{index=13}
• Cut-off based on delta-V and time

RealWorld Performance

• Highly accurate capacity measurement users report repeatable and reliable readings :contentReference[oaicite:14]{index=14}
• Charges old/off-brand batteries that other chargers may reject :contentReference[oaicite:15]{index=15}
• USBC input may not work with all PD chargers requires 5V/2A for full charging speed :contentReference[oaicite:16]{index=16}

Whats in the Box

• LiitoKala LiiM4 charger unit
• USBC cable
• User manual

Summary

The LiitoKala LiiM4 is an affordable yet smart 4slot charger and battery analyzer. It supports multiple chemistries, independent slot control, and a USBC input with USBpower output. Users praise its accuracy and reliability, especially for waking up old batteries though note the USBC input needs a proper 5V/2A supply for optimal performance.