Universal Smart Charger – 4 Bay USB/DC Charger for 18650, 26650 & Li-ion Rechargeable Batteries
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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:
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⚡ Universal Compatibility – Charges 18650, 26650, 14500, 16340, 10440 & more
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🔋 4 Independent Charging Slots – Charge multiple batteries at once
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🛡️ 7-Layer Safety Protection – Overcharge, overcurrent, short circuit & reverse polarity defense
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🌍 Worldwide Voltage Support – AC 100–240V + DC 12–24V for global use
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💡 LED Indicators – Red for charging, green for full, no guesswork
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🚀 Fast & Smart Charging – Auto-stop when fully charged, extends battery life
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🔌 Multiple Power Options – Works with wall outlets, car USB, power banks & solar panels
Specifications:
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Input: AC 100–240V / DC 12–24V
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Output: 4.2V ± 1% / 500mA × 4 slots
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Battery Types: 26650, 18650, 18500, 18350, 14500, 16340 (RCR123), 10440 & more
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Dimensions: 3.74 × 1.38 × 4.92 in
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Weight: ~135g (battery-free)
Package Includes:
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1 × Universal Smart Charger (Selected Variant)
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1 × Power Cable / USB Cable (depending on model)
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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: 𝟣𝟪𝟨𝟧𝟢 26650 22650 14500 16340(RCR123) 10440 17670 18490 17500 17335
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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.
Safety and Intelligent Charger 4 Bay
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| Safety and Intelligent Smart Charger |
Charging Status Indicator Display |
Charging Different Type Batteries One time |
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Currently we only serve customers in United States.
At MilitaryKart, we work to get your gear packed, shipped, and delivered as quickly and reliably as possible. Below you'll find important information about shipping rates, processing times, delivery estimates, and order tracking.
U.S. Shipping
FREE Standard Shipping on orders $99+
For orders under $99, standard shipping starts at $5.99 and is calculated based on the merchandise subtotal. The final shipping charge will be clearly displayed at checkout before you complete your purchase.
Free Standard Shipping applies to qualifying orders of $99 or more shipped within the 47 contiguous United States.
Orders shipping to Alaska, Hawaii, Puerto Rico, and other U.S. territories may be subject to different shipping charges. The applicable shipping cost will be displayed at checkout.
Order Processing
Most orders are processed within 1–2 business days after the order is placed.
Orders placed on weekends or holidays will begin processing on the next business day.
During major sales, holidays, or periods of unusually high order volume, processing may take slightly longer.
Once your order ships, you will receive tracking information by email.
Estimated Delivery Time
Standard U.S. orders typically arrive within approximately 3–7 business days after shipment, depending on the destination, carrier, fulfillment location, and product availability.
Delivery estimates are not guaranteed and may occasionally be affected by carrier delays, severe weather, holidays, or other circumstances outside our control.
Multiple-Item Orders
Products in the same order may occasionally ship separately or arrive in more than one package.
You will not be charged additional shipping beyond the amount displayed at checkout simply because your order is shipped in multiple packages.
Shipping Carriers
MilitaryKart works with established shipping carriers and fulfillment partners.
The carrier used for your order may vary depending on the destination, package size, product availability, and fulfillment location.
Available shipping options and the final shipping charge will be displayed at checkout before payment is completed.
Order Tracking
Once your order ships, tracking information will be sent to the email address provided during checkout.
You can also track your shipment through our Track Order page.
Please allow some time after receiving your tracking number for the carrier's tracking system to update.
Incorrect or Incomplete Shipping Addresses
Please review your shipping address carefully before submitting your order.
MilitaryKart cannot guarantee successful delivery when an incorrect or incomplete shipping address is provided.
If you notice an error after placing your order, please contact us as soon as possible at:
We will do our best to assist, but address changes may not be possible once an order has entered fulfillment or has already shipped.
Delayed or Missing Orders
If your tracking information has not updated for an extended period, or your package has not arrived within the expected delivery window, please contact our customer support team with your order number.
Email: support@militarykart.com
Phone: +1 (972) 666-3634
We will be happy to help investigate the shipment.
Questions About Shipping?
If you have any questions about shipping or your MilitaryKart order, please contact our customer support team.
Customer Service Hours:
Monday–Friday
9:30 AM–5:30 PM EST
CAN I GET FREE SHIPPING WITH MY ORDER?
We provide free shipping on all orders above $99
HOW DO I PROCEED THROUGH THE CHECK OUT PROCESS?
Once you have finished adding items to your Cart, simply click the “Check Out” button on the Shopping Bag page and we will guide you through the check out process.
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We accept Credit Cards, Debit Cards, and PayPal.
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