Delipow 10440 3.7V 320mAh Li-ion Rechargeable Battery – Flat Top, Low Internal Resistance & 1500 Cycles for Mini Flashlights (2-Pack)
Description
Product Description:
Delipow 10440 3.7V 320mAh Li-ion rechargeable battery is specially engineered for mini flashlights and other compact high-voltage electronic devices. Despite its tiny size (identical to AAA), this battery packs 3.7V of high-discharge power, low internal resistance, and a massive 1500-cycle lifespan. It is the ideal power solution for your specific specialty battery compartments.
Key Features:
Designed for Mini Flashlights: The 10440 format (10mm x 44mm) is engineered specifically for compact EDC flashlights and specialized precision devices.
High Voltage 3.7V Output: Delivers strong, consistent 3.7V power with low internal resistance, ensuring your mini flashlights shine bright and perform at their best.
1500 Ultra-Long Charge Cycles: Supports up to 1500 recharge cycles, far exceeding standard lithium batteries. One battery replaces hundreds of disposable cells, saving money and reducing waste.
Low Self-Discharge Technology: Maintains power over long periods of storage, so your batteries are ready to use whenever you need them.
Flat Top Design: Features a standard flat top. (Please confirm your device requires a flat top or button top battery before purchasing.)
Low Resistance & High Discharge: Features high discharge performance and low resistance, ensuring efficient energy delivery without power loss.
Quality Assurance & Safe Materials: Manufactured with mercury-free and cadmium-free materials, adhering to GB31241-2022 national safety standards for environmentally friendly and reliable daily use.
No Memory Effect: Allows for convenient recharging at any time without reducing overall battery capacity or lifespan.
Product Parameters:
Brand: DelipowModel: 10440 Rechargeable Li-ion Battery
Capacity: 320mAh
Nominal Voltage: 3.7V
Top Type: Flat Top
Discharge Rate: 3C
Net Weight: 9g
Cycle Life: Up to 1500 times
Compliance Standard: GB31241-2022
Dimensions: 10mm (Diameter) x 44mm (Height)
Pack Quantity: 2-Pack
Applications:
Mini Tactical Flashlights: The ideal power source for small, high-lumen EDC flashlights and keychain lights.
Specialized Laser Pointers & Aimers: Provides stable 3.7V voltage for compact laser aiming devices and pointers.
Precision Remote Control Transmitters: Powers small transmitters and handheld controllers for hobbyist devices.
Portable Medical Devices: Suitable for compact digital blood pressure monitors and other specific portable medical instruments.
Small Sensor & Alarm Systems: Reliable backup power for miniaturized security sensors and alarm transmitters.
Frequently Asked Questions (FAQ):
Q1: Can I use this 10440 battery as a replacement for a standard AAA battery?
A1: NO. Please exercise extreme caution! While the 10440 shares the exact same physical dimensions as a standard AAA (10mm x 44mm), it operates at 3.7V. Using a 3.7V battery in a device designed for 1.2V or 1.5V (like a standard remote control or clock) will instantly damage or destroy the device. It is only compatible with devices explicitly specified for 10440 or 3.7V power.
Q2: What is the difference between Flat Top and Button Top?
A2: A Flat Top battery has a flat positive terminal, while a Button Top has a protruding nub. Please check your device's battery compartment carefully. If your device specifically requires a protruding positive contact, you need a Button Top version; this product is Flat Top.
Q3: How long does it take to fully charge a 320mAh battery?
A3: Charging time depends on your specific Li-ion charger. Using a standard dedicated 10440/3.7V charger, it typically takes approximately 1 to 2 hours.
Q4: Is it safe to use this battery in my expensive mini flashlight?
A4: Absolutely. These batteries are manufactured with strict quality control and meet the GB31241-2022 national safety standard. They are mercury-free and cadmium-free, ensuring safe and reliable use.
Q5: What kind of charger should I use for this battery?
A5: You must use a charger specifically designed to charge 3.7V lithium-ion batteries (such as a 10440 or 14500 charger). Do not attempt to charge it in a standard AA/AAA Ni-MH charger, as it will not cut off at the correct voltage and is extremely dangerous.
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.
