XTAR MC1 1A USB-C Charger Kit with 21700 4900mAh 10A Battery - High-Capacity Single-Bay Smart Charger & High-Drain Li-ion Cell for Flashlights, Headlamps & Vape Mods (Compatible with 10440-26650)
Description
【Product Description】
Unlock marathon-level runtime for your high-performance gear. The XTAR MC1 1A USB-C Charger Kit with 21700 4900mAh 10A Battery delivers an astounding 4900mAh of power in a robust 21700 form factor. This kit is the ultimate upgrade for users who demand extended battery life without sacrificing performance.
The included XTAR 21700 4900mAh battery is a high-capacity powerhouse. It provides a massive 10A continuous discharge current, making it the perfect match for high-lumen flashlights, long-duration headlamps, and high-drain vape mods. With an impressive 800+ recharge cycles and a built-in protection board, it ensures years of reliable, safe service.
Paired with the XTAR MC1 smart charger, you benefit from a professional 1A 3-stage charging algorithm (Trickle, CC, CV) and a 0V activation feature that can safely revive deeply discharged batteries. The MC1 is highly versatile, compatible with 3.6V/3.7V Li-ion cells ranging from 10440 to 26650.
( ATTENTION: This 21700 battery is 74.8mm long (including the protection board). Please measure your device's battery compartment depth before purchasing to ensure it fits.)
【Key Features】
Battery Highlights:
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Massive 4900mAh High Capacity: Among the highest capacities in the 21700 class, providing exceptionally extended runtimes for all-night outdoor excursions and heavy daily use.
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10A High-Drain Continuous Discharge: Delivers steady 10A power output, ideal for demanding high-lumen tactical flashlights, headlamps, and powerful vape mods.
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800+ Long Cycle Life: Premium-grade cells offer a lifespan of over 800 charge/discharge cycles, ensuring long-term value and reliability.
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Built-In Protection Board & Button Top: Features a high-strength safety board (preventing overcharge/over-discharge) and a standard protruding Button Top terminal for reliable contact.
Charger Highlights:
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1A Constant Current & 3-Stage Charging: The MC1 provides a stable 1A charge with a professional trickle-CC-CV algorithm to maximize battery lifespan.
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0V Battery Activation: Smart circuitry can safely revive and restore over-discharged (0V) Li-ion batteries, saving you from replacing them prematurely.
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Universal USB Type-C Input: Conveniently powered by any standard 5V/1A USB-C power source (wall charger, power bank, laptop).
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Wide Compatibility & 8-Layer Safety: Supports 14+ battery sizes (10440 to 26650) and features comprehensive protections against overcharge, short circuits, and reverse polarity.
【Parameters & Specifications】
Battery (XTAR 21700 4900mAh):
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Brand: XTAR
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Model: 21700 Rechargeable Li-ion
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Nominal Capacity: 4900mAh
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Nominal Voltage: 3.6V
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Max Continuous Discharge Current: 10A
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Cycle Life: 800+ Cycles
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Protection Circuit: Built-in (With Protection Board)
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Terminal Type: Button Top
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Weight: 71g
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Dimensions: 21.4mm (Dia) × 74.8mm (Height) (Note: Includes protection board length)
Charger (XTAR MC1):
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Model: MC1
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Input: 5V / 1A (USB Type-C)
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Constant Charging Current: 1A
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Charge Cut-off Voltage: 4.2V ± 0.05V
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Compatible Batteries: 3.6V/3.7V Li-ion (10440, 14500, 14650, 16340, 17335, 17500, 17670, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22650, 25500, 26650)
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Dimensions: 103mm (L) × 25mm (W) × 30mm (H)
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Weight: 27g
【Applications】
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Outdoor & Tactical Lighting: High-lumen tactical flashlights, searchlights, outdoor camping headlamps (must fit 74.8mm length).
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High-End Vape Mods: High-drain devices requiring high-capacity, 10A+ continuous current.
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Portable Power Stations: DIY emergency power supply units for outdoor adventures.
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Professional Tools: Handheld measuring instruments, laser devices, and precision electronics.
【Frequently Asked Questions (FAQ)**
Q1: Will this 21700 battery fit in my flashlight?
A1: This battery has a total length of 74.8mm due to its built-in protection board. Many standard 21700 flashlights are designed for 70mm-72mm batteries. IMPORTANT: Please measure the depth of your device's battery compartment before purchasing. If your compartment is shorter than 74.8mm, this battery will not fit.
Q2: How long does the 4900mAh battery last on a single charge?
A2: Runtime depends on your device's power consumption. However, with a massive 4900mAh capacity, it typically provides 1.5 to 2 times the runtime of a standard 18650 2600mAh battery. For a moderate flashlight, it can easily last through an entire overnight camping trip.
Q3: What does the 0V activation on the charger mean?
A3: If a Li-ion battery is deeply discharged to 0V, most chargers will not recognize it. The MC1's smart 0V activation can safely apply a small current to bring such "dead" batteries back to life, saving you the cost of replacing them.
Q4: What is the advantage of the built-in protection board?
A4: The integrated protection board automatically prevents overcharging (which can cause swelling or danger) and over-discharging (which permanently damages the battery), effectively extending the battery's lifespan to over 800 cycles.
Q5: Can I charge other batteries with this charger?
A5: Yes. The XTAR MC1 charger supports a wide range of 3.6V/3.7V Li-ion rechargeable batteries, including 10440, 14500, 16340, 18350, 18490, 18500, 18650, 21700, 22650, and 26650. Just make sure they are the same chemistry (Li-ion).
Shipping and Returns
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Free Shipping: Enjoy free shipping on all orders over $65. For orders under $65, the shipping cost is $8.99.
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Delivery Time: Once shipped, orders typically arrive within 7–15 business days.
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Easy Returns: We want you to be completely satisfied. If you're not, you can return your product within 30 days of receiving your order. Please ensure the items are unused and in their original condition. For return instructions, please contact our support team.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Security
Refund Policy
OneAndes Return & Refund Policy
At OneAndes, we are committed to providing high-quality cylindrical lithium-ion batteries for your drones, vacuums, garden tools, and other power needs. If you are not completely satisfied with your purchase, we are here to help. Please read our full return policy below before initiating a return.
1. Return Window
You have 30 calendar days from the date you received your item(s) to request a return. Any return request submitted after 30 days will not be eligible for a refund or exchange.
2. Eligibility Conditions
To qualify for a return, all items must meet the following conditions:
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Condition: Items must be unused, undamaged, and in the same condition that you received them.
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Packaging: Items must be returned in their original packaging with all accessories, manuals, and protective covers intact.
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Proof of Purchase: A valid receipt, order confirmation email, or proof of purchase must accompany all returns.
Non-Returnable Items:
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Batteries that have been installed, used, or show any signs of wear.
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Items marked as “Final Sale” or “Clearance” at the time of purchase.
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Customized or special-order products.
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Gift cards.
If a returned item fails to meet these conditions, we reserve the right to deny the return or charge a restocking fee.
3. How to Initiate a Return
Follow these steps to return your product:
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Contact Us: Email our support team at support@oneandes.com with your order number and the reason for return. We aim to respond to all return requests within 24 hours on business days.
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Receive RMA: We will provide you with a Return Merchandise Authorization (RMA) number and return instructions. Do not ship any item without an RMA number.
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Pack Securely: Place the item in its original packaging, include all accessories, and clearly write the RMA number on the outside of the box.
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Ship to Our US Warehouse: Ship the package to the following address:
OneAndes Returns
10320 6th St
Rancho Cucamonga, CA 91730
USA*Important: Lithium-ion batteries are classified as hazardous materials (Class 9). Please follow the shipping guidelines provided in Section 4 below. We recommend using a trackable shipping service and purchasing shipping insurance, as we cannot guarantee receipt of your returned item.*
4. Return Shipping Costs
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Defective or Incorrect Items: If the item you received is defective, damaged in transit, or different from what you ordered, OneAndes will cover the return shipping cost. In this case, we will provide you with a prepaid return shipping label.
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Buyer’s Remorse / Non-Defective Returns: If you are returning an item for any other reason (e.g., no longer needed, ordered the wrong model), you are responsible for the return shipping costs. You must prepay the return shipping cost using a trackable carrier that accepts lithium batteries. We do not provide prepaid return labels for non-defective returns.
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Lithium Battery Shipping Regulations: By law, all returns must be shipped in compliance with applicable dangerous goods regulations. We will provide guidance on proper packaging and labeling. Failure to comply may result in carrier refusal, seizure, or additional fees. We are not responsible for returned items lost or rejected by the carrier due to improper shipping.
5. Refunds
Once we receive and inspect your return at our Rancho Cucamonga, CA facility, we will notify you via email of the approval or rejection of your refund.
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Approved Refunds: If approved, your refund will be processed to your original method of payment within 5 to 10 business days. Please note that depending on your bank or credit card issuer, it may take additional time for the credit to appear on your statement.
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Partial Refunds: In certain situations, only partial refunds may be granted:
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Items not in original condition, missing parts, or damaged for reasons not due to our error.
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Items returned more than 30 days after delivery (reviewed on a case-by-case basis).
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Non-Refundable Fees: Original shipping charges are non-refundable unless the return is due to our error (defective product or incorrect shipment).
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Restocking Fee: We do not charge a restocking fee for defect-free returns, but we may deduct the return shipping cost, which will be deducted from your refund.
6. Exchanges
We replace items only if they are defective or damaged upon arrival. If you need to exchange a defective item for the same product, please contact us at support@oneandes.com. Exchanges are subject to product availability.
If you ordered the wrong battery size or model, please follow the standard return process above and place a new order for the correct item.
7. Damaged or Missing Items
If your package arrives visibly damaged, please take photos of the package before opening and contact us immediately. We will work with the shipping carrier to file a claim and arrange for a replacement or refund. Damaged or missing item claims must be reported within 7 calendar days of delivery. For immediate assistance, you may also call us at (213) 316-8849.
8. Order Cancellation
You may cancel your order without penalty if it has not yet been shipped. To cancel, email us at support@oneandes.com as soon as possible. If the order has already been processed or shipped, you will need to follow the standard return process upon receipt.
9. Warranty
All OneAndes batteries are backed by a 12-month limited warranty against defects in materials and workmanship. This warranty does not cover damage caused by misuse, improper charging, unauthorized modifications, normal wear and tear, or use outside of manufacturer specifications. For warranty claims, please contact our support team.
10. Contact Us
If you have any questions about our Return & Refund Policy, please reach out:
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Email: support@oneandes.com
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Phone: (213) 316-8849 (Mon-Fri, 9 AM – 5 PM Pacific Time)
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Mailing Address: 10320 6th St, Rancho Cucamonga, CA 91730, USA
We aim to respond to all inquiries within 24 hours during business days. Please include your order number for faster assistance.