4-Slot Fast Battery Charger &Tester for 3.2V LiFPO4 3.7V Li-ion 1.2V Ni-MH/Ni-CD Batteries,LCD Displayer,Intelligent Identification,Safe Protection,Compatible with 18650 21700 AA AAA Batteries

About this item

• 1. 【WIDE COMPATIBILITY】This 4-slot battery charger works with 3.2V LiFePO4, 3.7V/3.85V Li-ion, and 1.2V Ni-MH/Ni-CD batteries. It fully supports popular models including 18650, 21700, 26650, 32650, as well as standard sizes like AA, AAA, C, D, SC, covering almost all your rechargeable battery needs.
• 2. 【FAST CHARGING TECHNOLOGY】Delivers a maximum total charging current of 4A. When charging 4 batteries simultaneously, each slot provides 1A. For faster charging, the 1st and 4th slots support up to 2A per slot (requires the included fast charging cable), cutting your charging time in half.
• 3. 【3-IN-1 4TH SLOT FUNCTIONS】The 4th slot integrates 3-in-1 functionality: charging, discharging, and capacity testing. This allows you to fully cycle and analyze battery health, extending the lifespan of your rechargeable batteries.
• 4. 【INTELLIGENT & SAFE OPERATION】Features automatic battery type detection to prevent incorrect charging. The charger is constructed with flame-retardant materials and includes built-in protections against overcharge, over-discharge, short-circuit, and reverse polarity, ensuring safe daily use.
• 5. 【CLEAR LCD MONITORING】Equipped with a large LCD screen that displays real-time charging status, including charging time, current capacity, and voltage for each slot. You can easily track the progress of every battery at a glance.