Delipow 26650 3.2V 4000mAh 3C High-Drain LiFePO4 Battery – 12A Max Discharge, 2000 Cycles & Thickened Steel Shell for High-Power Flashlights & Long-Run Devices (2-Pack)
Description
Product Description:
Delipow 26650 3.2V 4000mAh 3C High-Drain LiFePO4 Battery delivers the highest capacity in the series for maximum runtime. With a massive 4000mAh capacity, a 3C discharge rate, and a 12A maximum discharge current, this battery provides exceptional, long-lasting energy for high-lumen tactical flashlights, cordless power tools, and portable power stations.
Built with premium A-grade cells, this battery features a genuine 4000mAh capacity without inflated numbers, ensuring you get the runtime you expect. Designed with a thickened steel shell, anti-aging sealing rings, and a built-in safety valve, it provides multi-layered physical protection against impact and internal pressure. Supporting up to 2000 deep recharge cycles, this battery represents the pinnacle of long-lasting, high-performance power technology.
Key Features:
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26650 3.2V 4000mAh High-Drain Battery: The highest capacity model in the series, offering maximum runtime for extended use.
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3C Discharge Rate: Delivers a reliable 3C discharge rate with a 12A maximum discharge current for steady, sustained power delivery.
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Premium A-Grade Cells: Features genuine 4000mAh capacity. No inflated numbers, just true, usable energy.
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2000 Ultra-Long Recharge Cycles: Supports up to 2000 cycles, far exceeding standard lithium batteries. Exceptional long-term value.
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Multi-Layer Safety Structure: Thickened steel shell design protects against impact. Equipped with an anti-aging sealing ring and a built-in safety valve to prevent leakage and safely release pressure.
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3.2V Standard Voltage: Stable 3.2V LiFePO4 (Lithium Iron Phosphate) chemistry output, ideal for high-power applications.
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Standard 26650 Size: Perfectly fits standard 26650 battery compartments (26mm x 65mm).
Product Parameters:
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Brand: Delipow
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Model: 26650 High-Drain LiFePO4 Battery (3C Edition)
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Capacity: 4000mAh (True Rating)
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Nominal Voltage: 3.2V
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Discharge Rate: 3C
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Max Discharge Current: Supports up to 12A
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Cycle Life: Up to 2000 times
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Weight: 87.7g
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Dimensions: 26mm (Diameter) x 65mm (Height)
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Pack Quantity: 2-Pack
Applications:
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High-Power Tactical Flashlights: A reliable, ultra-long-lasting power source for high-lumen searchlights and tactical flashlights used in outdoor conditions.
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Heavy-Duty Cordless Power Tools: Delivers sustained, high-amperage power needed for portable electric drills, saws, and impact drivers.
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High-Capacity Portable Power Stations: A reliable core for building custom DIY power banks and portable energy storage systems.
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High-Torque RC Hobbies & Drones: Powers high-performance RC cars, remote-controlled boats, and heavy-lift drones requiring steady, high-current bursts.
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Advanced Electronic Cigarettes: Provides stable, high-wattage output for advanced vaping devices and mods.
Frequently Asked Questions (FAQ):
Q1: What is the advantage of the 4000mAh capacity?
A1: The 4000mAh capacity is the highest in the 3C LiFePO4 series. It provides the longest runtime per charge, making it the ultimate choice for users who need extended usage time without frequent recharging.
Q2: What is a 3C discharge rate?
A2: A 3C rating means the battery can discharge at 3 times its capacity. For this 4000mAh (4.0Ah) battery, it translates to a 12A max continuous discharge. This provides the steady, sustained power necessary for high-power devices.
Q3: Is this battery LiFePO4 (Lithium Iron Phosphate)?
A3: Yes, the 3.2V nominal voltage indicates that this is a LiFePO4 battery. This chemistry provides excellent thermal stability, a longer cycle life (2000 cycles), and a high level of safety compared to standard 3.7V lithium-ion batteries.
Q4: What kind of charger should I use for this battery?
A4: You must use a charger specifically designed for 3.2V LiFePO4 (Lithium Iron Phosphate) batteries. Do not use a standard 3.7V Li-ion charger, as it will overcharge and damage the battery. A dedicated 26650 smart charger with LiFePO4 mode is highly recommended.
Q5: Is this battery safe from leaking or exploding?
A5: Yes. It is built with a multi-layered safety structure, including a thickened steel shell, an anti-aging sealing ring, and a built-in safety valve. These features provide robust physical protection and safely release internal pressure in extreme cases.
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
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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.
