The IMREN I4 Universal Battery Charger supports simultaneous charging of four Li-ion or NiMH batteries with adjustable current (up to 1A per slot). It features a USB Type-C port, integrated overvoltage and short circuit protection, battery capacity testing, and mobile charging capability via 5VDC booster output. Designed to fit AA, AAA, 10440, 14500, 16340, 18350, 18500, 18650, 20700, 21700, and 26650 cells, it’s ideal for users in vaping, drones, flashlights, and electric vehicle communities seeking safe, high-compatibility battery management.
Key Features
- Multi-Battery Compatibility: Supports 1.2V NiMH and 3.6/3.7V Li-ion/IMR/LiFePO4; charges AA/AAA and high-drain cells concurrently.
- Independent Channel Charging: Four slots with max 1A charge current per slot for mixed batteries and chemistries.
- USB Type-C Input: Fast charging capability via standard USB-C (5V/2A input).
- Mobile Power Output Function: Acts as a portable power bank (5VDC booster output, max 2A current).
- Safety Protections: Overvoltage, overcharging, and short-circuit protections; meets IEC/EN 60335-2-29 safety standards.
- Battery Test Functions: Measures capacity and estimates internal resistance.
- Max Output: Channel 1/4: 1000mA; Channel 2/3: 500mA
- Material & Build: Durable ABS construction; compact (110×103×30mm, 200g).
Comparison Table
| Feature | IMREN I4 | Nitecore D4 | XTAR VC4S |
|---|---|---|---|
| Slots | 4 (independent) | 4 | 4 |
| Input | USB Type-C | AC/USB | Micro-USB |
| Battery Types | Li-ion, NiMH, LiFePO4 | Li-ion, NiMH | Li-ion, NiMH |
| Mobile Charging | Yes, 5V2A Output | No | No |
| Capacity Test | Yes | No | Yes |
| Protections | Overcharge, Overvoltage, Short Circuit | Overcharge | Overcharge, Reverse Polarity |
Applications
- Vape mods and e-cigarette batteries
- Drones and remote-control vehicles
- High-drain flashlight and torches
- Rechargeable battery packs for toys and tools
Frequently Asked Questions
Can this 4-slot charger handle both AA and 18650 batteries at the same time?
Yes, the IMREN I4 charges AA/AAA NiMH and 18650 Li-ion batteries simultaneously in separate slots. Each slot operates independently for mixed chemistries.
What safety features does the IMREN I4 provide for lithium and NiMH batteries?
The charger features overcharge, overvoltage, and short-circuit protection compliant with IEC/EN 60335-2-29 standards.
Does this charger test battery capacity and internal resistance?
Yes, charging cycles include real-time capacity and internal resistance checks, displayed per slot.
Is there a USB Type-C input and mobile charging support?
IMREN I4 uses standard USB Type-C (5V/2A) input and supports mobile charging via its 5VDC output (max 2A) for use as a power bank.
How does the IMREN I4 compare to Nitecore/XTAR chargers for drones and flashlights?
IMREN I4 matches top-tier chargers with USB-C support, 4-bay design, and mixed chemistry flexibility, plus mobile charging function not found on some competitors. Tradeoff: maximum output current is lower than some advanced models, but sufficient for most consumer batteries.
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Generally, orders are shipped within 2-3working days of order confirmation/payment. Orders made on the weekends might experience delays.
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Shipping Policy
If you need to amend your delivery address because there is a missing house number or postcode, this will be free of charge.
If we can't change the address for you, we'll let the courier know so they can make the change before delivering your order. A $5 fee will apply after a successful amendment.
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Total Delivery Time = Processing Time + Shipping Time (depending on your location)You can read more details on the Shipping Policy
