Delipow 9V 550mAh Lithium-Ion Rechargeable Battery 2-Pack | 1200 Cycle Low Self-Discharge for Multimeters & Microphones
Description
Product Description
This 2-pack offers the premium Delipow 9V 550mAh lithium-ion rechargeable battery. Engineered for long-lasting, reliable performance, this battery delivers an impressive 1200 recharge cycles, meaning one single battery can replace up to 1200 single-use dry cells over its lifetime. It features ultra-low self-discharge technology, retaining up to 70% of its charge even after 5 years of storage. As a lithium-ion cell, it offers zero memory effect and supports approximately 6-hour fast charging. (Note: The actual operating voltage of this Li-ion battery is approximately 8.4V, which is the normal standard for 9V Li-ion batteries and is perfectly compatible with all standard 9V devices. Due to the material properties of lithium-ion technology, the weight is significantly lighter than traditional alkaline batteries, which is a normal characteristic.) With a standard 9V rectangular design and snap terminals, this 2-pack provides reliable, eco-friendly power for multimeters, microphones, guitar pedals, toys, and smoke detectors.
Key Features
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Reliable 550mAh Li-ion Capacity: Delivers a stable 550mAh capacity with solid performance, offering dependable runtime for a wide range of 9V devices.
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1200 Ultra-Long Cycle Life: Supports up to 1200 full charge and discharge cycles. Over its lifetime, a single battery can replace up to 1200 single-use dry batteries, resulting in massive cost savings and significantly reducing waste.
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Ultra-Low Self-Discharge Technology: Retains up to 70% of the original charge even after 5 years of storage, making it extremely reliable for standby and emergency use.
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Zero Memory Effect & 6-Hour Fast Charging: Features advanced Li-ion technology with no memory effect, allowing you to recharge at any time without capacity loss. Supports approximately 6-hour full charging time.
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Environmentally Safe & Non-Toxic: Lithium-ion chemistry is environmentally friendly, safe, and non-toxic, offering a green alternative to traditional disposable batteries.
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Standard 9V Rectangular Design: Features the classic 9V shape with standard snap terminals, ensuring seamless compatibility with over 99% of devices requiring 9V batteries.
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Convenient 2-Pack Bundle: This 2-pack provides a cost-effective supply, ensuring you always have a spare ready for your critical devices.
Product Parameters
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Brand: Delipow
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Type: 9V Lithium-Ion (Li-ion) Rechargeable Battery
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Nominal Capacity: 550mAh
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Operating Voltage: Approximately 8.4V (Standard for 9V Li-ion batteries)
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Cycle Life: Up to 1200 times
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Self-Discharge: Retains 70% of charge after 5 years of storage
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Charging Time: Approximately 6 hours
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Technology: Zero memory effect, Ultra-low self-discharge
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Dimensions: 26mm (Width) x 18mm (Depth) x 49mm (Height)
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Terminal Type: Standard 9V snap connectors
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Weight: Lightweight (Normal Li-ion characteristic)
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Pack Quantity: 2 pieces
Applications
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Digital multimeters, test meters, and industrial instruments.
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Wireless microphones, guitar pedals, and stage audio equipment.
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Remote-controlled toys, aircraft models, and hobby electronics.
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Smoke detectors, fire alarms, and home safety systems.
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Intercom systems, portable radios, and small electronic gadgets.
Frequently Asked Questions (FAQ)
Q1: Is the battery voltage really 9V?
A1: This is a lithium-ion battery. While labeled as a 9V battery, its actual operating voltage is approximately 8.4V. This is a standard characteristic of all 9V Li-ion batteries and is perfectly compatible with 99% of devices that use standard 9V batteries.
Q2: Why does this battery feel very light?
A2: This is a lithium-ion battery. Due to the advanced material technology of lithium-ion cells, they are significantly lighter than traditional alkaline or Ni-MH 9V batteries. This is a normal feature and an advantage of lithium-ion technology, not a quality issue.
Q3: What does the 5-year storage life mean?
A3: It means that even after being stored for 5 years, this battery still retains up to 70% of its original charge. This makes it extremely reliable as a backup battery for emergency equipment like smoke detectors.
Q4: How long does it take to fully charge this battery?
A4: This battery supports approximately 6-hour fast charging. We recommend using a dedicated smart charger compatible with 9V Li-ion batteries for optimal charging efficiency and safety.
Q5: Can I use this battery in my smoke detector?
A5: Yes. It is perfectly compatible with standard 9V devices such as smoke detectors, digital multimeters, and guitar pedals. The reliable 8.4V output ensures your devices operate smoothly.
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.