Tech & Electronics >>
HKM-902675 Nitecore D4 Lithium-ion Battery Charger for 18650, 14500, 16340, 26650 with LCD Display and Intelligent Circuitry
Introducing the HKM-902675 Nitecore D4 Lithium-ion Battery Charger, a reliable and efficient solution for charging various lithium-ion batteries, including 18650, 14500, 16340, and 26650 models. This charger is designed for performance, boasting an intelligent circuitry that ensures safe and effective charging, making it an essential tool for enthusiasts and professionals alike.
The Nitecore D4 features a clear LCD display that provides real-time information on the charging process. You will find it easy to monitor each battery's status, thanks to its intuitive LED indicators. When powered on, the green LED shows it is ready for use. Upon inserting a battery, the LED transitions to orange, indicating that the charging process is underway. Once a battery is fully charged, the LED will change back to green, providing a straightforward way to know when your batteries are ready for use.
This charger supports a variety of output currents, including 375mA for four batteries or 750mA for two, which optimizes the charging times based on your needs. It operates with remarkable precision, ensuring that each battery is charged with a constant current and constant voltage, essential for maintaining battery health and longevity.
The compact size of the D4 (143mm x 99mm x 36mm) makes it convenient for storage and transport, allowing you to take it anywhere you need reliable charging. With its advanced safety features, including short circuit protection and temperature monitoring, you can trust that your batteries are in good hands.
Whether you are a hobbyist looking to keep your devices powered or a professional in need of a dependable charger, the HKM-902675 Nitecore D4 Lithium-ion Battery Charger is your go-to choice for efficient and safe battery charging.
Model: D4
Input voltage: DC 12V 1.0A
Output voltage: 4.2V ± 1% / 3.7V ± 1% / 1.48v ± 1%
Output current: 375ma * 4 / 750ma * 2
Size: 143mm * 99mm * 36mm
Product features]
Lithium battery charger is specially used for charging lithium-ion battery. Lithium ion battery has high requirements for charger and needs protection circuit, so lithium battery charger usually has high control precision and can charge lithium-ion battery with constant current and constant voltage.
[charging process]
When the power supply is not connected, the LED light on the circuit board is not on
The power supply is connected to the circuit board, and the green LED is on continuously. At this time, the circuit board is waiting for the lithium battery to be placed
After the lithium battery is put in, it starts to charge, and the LED turns orange
When the lithium battery is fully charged, it stops charging and the LED turns orange
After the lithium battery is fully charged, the battery is removed, the LED turns green, and the lithium battery is put in again for charging
During charging, the charging percentage is displayed
LED light:
Keep green: waiting for battery
Continuous yellow: charging
Full or charged for 6 hours
Flashing orange: warning message (output short circuit, reverse of positive and negative poles, abnormal temperature)
Every product we offer includes a 180-day purchase protection plan at no additional cost. This coverage extends beyond a standard warranty, reflecting our confidence in product quality and our ongoing commitment to your satisfaction.
The protection plan is designed to provide practical help in real-world situations. Whether you encounter a manufacturing issue, a performance problem, or an unexpected accident, our team is ready to assist with clear, fair solutions.
What Is Covered
Manufacturing Defects
We replace items with material or workmanship flaws at no charge.
Performance Failures
Free repair or replacement if the product fails under normal use.
Accidental Damage
One-time courtesy replacement at a reduced price.
Zero Hidden Fees
All shipping costs for replacements and returns are covered.
How to File a Claim
How This Differs from the Warranty
The 180-day purchase protection includes accidental damage and performance failures that are typically not covered by a standard warranty. It provides an additional layer of support during the first six months after purchase, giving you greater confidence and peace of mind.
We want you to be completely satisfied with your purchase. If for any reason you are not fully happy, you may return your item within 30 days of delivery for a full refund. No lengthy forms, no unnecessary questions.
Our return policy is built on a simple principle: if the product is not right for you, we will make it right. We understand that online shopping involves trust, and we work hard to earn that trust with every order.
Return Eligibility
30-Day Window
Request a return within 30 days of delivery.
Original Condition
Unworn or unused, with tags and original packaging.
Proof of Purchase
A receipt or order number is required.
Fast Refund
Refund processed within 10 business days.
How to Start a Return
Returns & Exchanges Overview
Damages & Exchanges
Please inspect your order as soon as it arrives. If the item is defective, damaged, or incorrect, contact us immediately so we can evaluate the issue and make it right. For exchanges, the fastest option is to return the original item and place a new order for the replacement.
We believe in the quality of our products, and we want you to share that confidence. Every product is backed by a 24-month warranty covering all structural and functional components, including zippers, buckles, straps, and fabric integrity.
The warranty is designed to be simple and accessible. You only need your proof of purchase to begin a claim, and our team will assess the issue promptly. If a manufacturing issue arises, we will make it right.
What the Warranty Covers
Comprehensive Coverage
Every part warranted for two full years.
Free Repair or Replacement
Whichever is faster, at no cost to you.
Quick Turnaround
Claims assessed within 1 business day.
Transferable
Warranty follows the product, not the owner.
How to File a Warranty Claim
Every order ships free—no minimums, no hidden fees. We currently deliver across the United States and are actively working to expand to more countries. We partner with reliable U.S. courier services to ensure your order arrives safely and on time.
Our delivery process is designed for transparency. From the moment you place your order to the moment it reaches your door, you receive clear updates at every stage. We carefully inspect each product before dispatch, and we provide tracking information as soon as your order ships.
Our U.S. Shipping Partners
USPS
Official national carrier with nationwide coverage.
UPS
Fast and reliable ground and express shipping.
FedEx
Express delivery with real-time tracking.
DHL eCommerce
Efficient parcel delivery for e-commerce shipments.
Delivery Process
Delivery Time Summary
Cancellations & Taxes
You may cancel your order at any time before it ships. All product prices include applicable taxes, and there are no additional VAT or customs fees for orders delivered within the United States.
Whether you have a question, need help with an order, or just want some advice, our support team is available around the clock. We don't just respond to messages—we work with you to find real solutions that fit your needs.
Our support specialists are trained to handle a wide range of requests, from product recommendations to technical troubleshooting. No matter the question, you can expect a professional and friendly response.
How We Can Help
Product Guidance
Our experts help you choose the right product.
Order Assistance
Modify orders, track shipments, or speed up delivery.
Warranty & Returns
Start claims or returns quickly and easily.
Technical Troubleshooting
Step-by-step solutions for product issues.
Contact Information
24/7 Phone
+1 (209) 280-3200
support@hekomart.com
Address
3401 Dale Rd, Modesto, CA 95356
Support Hours
Available 24 hours a day, 7 days a week
