AUTO-STOP Charger for Li-Po, Li-Ion and Li-Fe S4 by ASG

This compact smart charger from ASG offers everything you need for fast, safe, and efficient charging of your airsoft batteries. It supports Li-Po, Li-Ion, and Li-Fe technology across 2 to 4 cells. Thanks to the simple plug-and-charge system, charging is done in seconds.
Adjustable charging current (1A / 2A / 3A) allows fine-tuning based on battery size, which reduces charging time while protecting cells from overload. The integrated balancing system equalizes voltage across each cell during every cycle, significantly extending battery lifespan – a feature often found only in premium chargers.
Thanks to the auto-stop charging function, your battery is protected from overcharging, ensuring maximum safety and worry-free use. For safe battery handling, not only during charging, check out the article: How to Care for Your Batteries!

Key Features

• Compatible with Li-Po, Li-Ion, and Li-Fe batteries
  Universal use for most airsoft battery types.
  
  
• Supports 2S, 3S, and 4S battery packs
  Charges packs with 2 to 4 cells.
  
  
• Adjustable charging current
  1A for batteries up to 500 mAh, 2A for up to 1500 mAh, 3A for higher capacities.
  
  
• Automatic cell balancing
  Ensures even charge across all cells for longer life.
  
  
• AUTO-STOP function
  Safely stops charging when complete – battery protection.
  
  
• Easy to use
  Plug in, select current, and charge – no complex settings.

Technical Specifications

• Battery type: Li-Po, Li-Ion, Li-Fe
• Cell count: 2S, 3S, 4S
• Charging current: 1A / 2A / 3A (adjustable)
• Input: AC 100–240V (EU adapter)
• Length: 110 mm
• Weight: 320 g
• Protections: Overcharge, overheat, short circuit

Package Contents

• AUTO-STOP S4 Charger
• Power cable with EU plug