Universal Smart Charger – 4 Bay USB/DC Charger for 18650, 26650 & Li-ion Rechargeable Batteries

Never run out of power again—charge everything, anywhere, with one smart charger!

Charge Smarter. Stay Powered Longer.

The MilitaryKart Universal Smart Charger is your ultimate charging solution for 18650, 26650, and a wide range of Li-ion rechargeable batteries. Designed with 4 independent charging bays, it powers multiple batteries simultaneously with intelligent current distribution for fast, safe, and reliable charging.

Built with 7 layers of protection—including overcharge, overcurrent, over-temperature, and reverse polarity—this smart charger ensures your batteries last longer while keeping your gear safe. Whether you’re charging tactical flashlights, headlamps, or outdoor electronics, this compact charger is a must-have for every prepper, camper, and professional user.

Compatible with most 3.7V Li-ion formats (18650, 26650, 14500, 16340, 10440, and more). Choose from USB-powered or AC/DC-powered options for home, travel, or vehicle use.

Stay ready. Stay charged. Stay unstoppable.

Features:

• ⚡ Universal Compatibility – Charges 18650, 26650, 14500, 16340, 10440 & more

• 🔋 4 Independent Charging Slots – Charge multiple batteries at once

• 🛡️ 7-Layer Safety Protection – Overcharge, overcurrent, short circuit & reverse polarity defense

• 🌍 Worldwide Voltage Support – AC 100–240V + DC 12–24V for global use

• 💡 LED Indicators – Red for charging, green for full, no guesswork

• 🚀 Fast & Smart Charging – Auto-stop when fully charged, extends battery life

• 🔌 Multiple Power Options – Works with wall outlets, car USB, power banks & solar panels

Specifications:

• Input: AC 100–240V / DC 12–24V

• Output: 4.2V ± 1% / 500mA × 4 slots

• Battery Types: 26650, 18650, 18500, 18350, 14500, 16340 (RCR123), 10440 & more

• Dimensions: 3.74 × 1.38 × 4.92 in

• Weight: ~135g (battery-free)

Package Includes:

• 1 × Universal Smart Charger (Selected Variant)

• 1 × Power Cable / USB Cable (depending on model)

• 1 × User Manual

Universal Smart Charger 18650 / 26650

• ❗ Note: No Battery Only Charger -  Only for Lithium-ion Rechargeable Battery, Not for AA or AAA Battery, Not for NiMH Battery

• Li-ion Universal Charger - Compatible with 3.7v li-ion rechargeable batteries. Such as Li-ion: 𝟣𝟪￵𝟨𝟧𝟢 266￵50 22650 14500 16340(RCR123) 10440 17670 18490 17500 17335

• 4 Slot Smart Charger - 4 charging channels can charge the battery separately. 4 slots can be adjusted according to different battery lengths.
  

• Safety Protection - Perfect protection function : under voltage protection, over voltage protection, over current protection, over temperature protection, short circuit protection, anti-reverse battery protection, Zero Volume Battery Repair and excellent heat dissipation design.

• Output: 4.2V ± 1% - The charging time depends on the quality of the battery.

• Input: AC100-240V - Universal in the world; Whether you are using it at home or traveling abroad, this smart charger can charge your batteries well and make you feel free to travel.