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 batteriesUniversal use for most airsoft battery types.
Supports 2S, 3S, and 4S battery packsCharges packs with 2 to 4 cells.
Adjustable charging current1A for batteries up to 500 mAh, 2A for up to 1500 mAh, 3A for higher capacities.
Automatic cell balancingEnsures even charge across all cells for longer life.
AUTO-STOP functionSafely stops charging when complete – battery protection.
Easy to usePlug 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




