LiitoKala® Lii-D4XL Battery Charger Li-ion Battery - 4 Battery Slots

LiitoKala® Lii-D4XL Battery Charger – 4 Battery Slots

The LiitoKala Lii-D4XL is a smart, compact battery charger designed to charge up to four rechargeable lithium-ion (Li-ion) batteries simultaneously. It features intelligent charging management, selectable current modes, and safety protections, making it ideal for hobbyists, technicians, flashlight enthusiasts, and general battery users.

Key Features

• 4 independent charging slots with individual control
• Intelligent microcomputer battery detection and charging
• Supports multiple Li-ion chemistries including 3.7V, 4.2V, and IMR batteries
• Selectable charging currents for optimized charging speed and battery life
• LED indicators show charging status for each slot
• Automatic stop when charging is complete
• Over-charge, over-current, over-voltage, and short-circuit protection
• Reverse polarity protection to prevent damage from incorrect insertion

Supported Battery Types

• Li-ion (3.7V nominal)
• IMR / INR / ICR chemistries
• Common rechargeable cylindrical batteries including:
  • 26650
  • 21700
  • 20700
  • 18650
  • 18490
  • 18350
  • 17670
  • 16340 (RCR123)
  • 14500

Charging Specifications

• Charging Slots: 4
• Charging Modes / Currents:
  • Typically selectable from 500mA, 700mA, 1000mA (1A), and 2000mA (2A)
  • 2A charging available when fewer batteries are inserted
• Charging Method: Constant current followed by constant voltage (CC/CV)

Electrical Specifications

• Input Voltage: DC 12V
• Recommended Adapter: 12V/2A or higher
• Total Output Power: Up to approximately 24W

Safety Protections

• Over-charge protection
• Over-voltage protection
• Over-current protection
• Short-circuit protection
• Reverse polarity protection
• Automatic cut-off when charging is complete

Physical Specifications

• Housing Material: Durable plastic
• Dimensions: Compact form factor (exact dimensions vary slightly by production batch)
• Weight: Lightweight and portable

Typical Applications

• Flashlight battery charging
• Power tool battery conditioning
• Backup battery maintenance
• Recharge station for DIY electronics and gadgets

Package Contents

• LiitoKala Lii-D4XL charger unit
• DC 12V power adapter
• User manual