Description
The Eizfan X4 is a versatile, high-performance battery charger that offers four independent charging bays, multiple charge modes, and dual power input options—mains or car charging. Equipped with a user-friendly LCD display, this charger delivers accurate real-time voltage and battery status, and supports USB output to function as a power bank using the charged cells. Ideal for enthusiasts, professionals, and mobile users alike.
Key Features:
- 4 Charging Slots: Charges 4 batteries simultaneously with independent monitoring per slot.
- Multiple Charging Modes: Includes 0.25A, 0.5A, 1A, and 2A (2A supported on 2 bays).
- Power Bank Function: Use charged batteries to charge your phone or other USB-powered devices via the USB output.
- LCD Screen: Displays voltage, charge level, and real-time status for each battery.
- Car Charger Compatible: Includes car charger for on-the-go use.
- Battery Type Auto-Detection: Compatible with Li-ion, IMR, Ni-MH, and Ni-Cd batteries.
- 0V Activation and Trickle Charge: Safely revives deeply discharged batteries.
- Built-In Protections: Overcharge, reverse polarity, and short-circuit protection, plus power saving and thermal management.
Compatible Battery Types:
- Li-ion/IMR: 10340 to 26650 including 18650, 20700, 21700, 22500, 26500
- Ni-MH/NiCd: AA, AAA, AAAA, C, SC
Input & Output Specifications:
- AC Input: 100–240V ~ 50/60Hz, 0.9A (MAX) 30W
- DC Input: 12V 2.0A
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Charging Currents:
- 0.25A ±20mA × 4
- 0.5A ±30mA × 4
- 1.0A ±50mA × 4
- 2.0A ±80mA × 2
- USB Output: 5V (1A/2A/3A/4A)
Whether you're powering flashlights, vape mods (non-vaping use recommended), tools, or USB devices, the Eizfan X4 delivers smart, adaptable, and safe charging wherever you are.

