Description
Shipping and Returns
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

Free Shipping on Orders Over $65
This bundle combines the reliable Delipow DLP-4019 4-bay smart charger with ultra-high-capacity Delipow 5800 Series AA 3300mAh 1.2V Ni-MH rechargeable batteries. (Available in 4-Pack or 8-Pack options). The DLP-4019 charger features a standard USB input (DC 5V 2A), delivering stable charging currents of 300mA per slot for AA batteries and 200mA per slot for AAA batteries. Equipped with an intelligent microcomputer chip, it provides a precise 1.48V±0.05V cut-off voltage and a ≤100mA cut-off current, effectively preventing overcharging. The included 3300mAh AA batteries deliver massive power, offering 412% longer runtime compared to standard 800mAh cells. Built with a high-strength full nickel-plated steel shell and advanced low self-discharge technology, they retain 85% of their charge even after a year of storage. This kit is the ultimate power solution for your high-drain devices.
Complete High-Performance Power Kit: Includes one Delipow DLP-4019 4-slot smart charger and either 4 or 8 pieces of Delipow 5800 Series AA 3300mAh 1.2V Ni-MH rechargeable batteries based on your selection.
4 Independent Charging Slots with LED Indicators: Features 4 independent channels, capable of charging 1 to 4 AA/AAA batteries simultaneously. The red LED indicators stay on while charging and turn off or change state once fully charged.
Precision Voltage Cut-off Protection: Built-in smart chip ensures a highly accurate charging cut-off voltage of 1.48V±0.05V and a cut-off current of ≤100mA, effectively preventing overcharging and extending battery lifespan.
Massive 3300mAh AA Battery Capacity: The included 5800 Series batteries deliver a true 3300mAh capacity, providing 412% longer runtime than standard 800mAh Ni-MH batteries.
Low Self-Discharge & 1200 Cycle Life: Features advanced low self-discharge technology, retaining 85% of charge after 1 year of storage. Supports up to 1200 full recharge cycles, offering exceptional long-term value.
Full Nickel-Plated Steel Shell for Ultimate Safety: The batteries are built with a high-strength, full nickel-plated steel casing and dual exhaust safety vents, ensuring explosion-proof, leak-proof, and impact-resistant durability.
Convenient USB Power Input & Wide Compatibility: Powered by a standard DC 5V 2A USB port, it can be powered via a phone adapter, laptop, power bank, or car charger. Supports both AA and AAA 1.2V Ni-MH and Ni-CD batteries.
Charger (Delipow DLP-4019):
Model: DLP-4019 Smart Battery Charger
Input: DC 5V 2A (USB)
Charging Current: AA: DC 1.2V 300mA×4; AAA: DC 1.2V 200mA×4
Cut-off Charging Voltage: 1.48V±0.05V
Cut-off Charging Current: ≤100mA
Operating Temperature: 0-40°C
Supported Battery Types: AA / AAA 1.2V Ni-MH / Ni-CD batteries
Battery (Delipow AA 3300mAh):
Brand: Delipow
Model: AA Ni-MH Rechargeable Battery
Nominal Capacity: 3300mAh
Nominal Voltage: 1.2V
Cycle Life: Up to 1200 times
Low Self-Discharge: Retains 85% of charge after 1 year of storage
Shell Material: Full nickel-plated steel casing with dual exhaust vents
Technology: Zero memory effect, Constant voltage discharge
High-performance tactical flashlights, searchlights, and outdoor headlamps.
Professional camera flash units, wireless microphones, and photography equipment.
High-drain remote-controlled toys, RC cars, and drone hobby motors.
Portable power tools, electric shavers, and heavy-duty small home appliances.
Emergency radios, intercoms, and heavy-duty portable communication devices.
Q1: How long does it take to fully charge the included AA 3300mAh batteries?
A1: Based on the charger's 300mA per-slot output and the standard charging formula (Capacity × 1.25 ÷ Current), it takes approximately 13.75 hours to fully charge a 3300mAh AA battery.
Q2: What does the red LED indicator mean on this charger?
A2: The red LED indicator remains solid while the battery is actively charging. Once the battery reaches the precise 1.48V cut-off voltage, the charging process stops, and the LED indicator will turn off or change state to remind you it is ready for use.
Q3: Can I charge AAA batteries with this Delipow charger?
A3: Yes, the DLP-4019 charger supports both AA and AAA 1.2V Ni-MH / Ni-CD batteries across all 4 slots, outputting 200mA per slot for AAA batteries.
Q4: What are the advantages of the batteries' full nickel-plated steel shell?
A4: The full nickel-plated steel shell provides exceptional strength and durability. It protects the battery from physical impact, prevents corrosive leakage, and works with the dual exhaust vents to safely release internal pressure, ensuring the battery is explosion-proof and safe for everyday use.
Q5: Can I charge AA and AAA batteries at the same time?
A5: Yes, the charger features 4 independent channels. You can safely charge AA batteries in some slots and AAA batteries in other slots simultaneously without any interference.
Free Shipping: Enjoy free shipping on all orders over $65. For orders under $65, the shipping cost is $8.99.
Delivery Time: Once shipped, orders typically arrive within 7–15 business days.
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 methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Security

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:
Condition: Items must be unused, undamaged, and in the same condition that you received them.
Packaging: Items must be returned in their original packaging with all accessories, manuals, and protective covers intact.
Proof of Purchase: A valid receipt, order confirmation email, or proof of purchase must accompany all returns.
Non-Returnable Items:
Batteries that have been installed, used, or show any signs of wear.
Items marked as “Final Sale” or “Clearance” at the time of purchase.
Customized or special-order products.
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:
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.
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.
Pack Securely: Place the item in its original packaging, include all accessories, and clearly write the RMA number on the outside of the box.
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
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.
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.
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.
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.
Partial Refunds: In certain situations, only partial refunds may be granted:
Items not in original condition, missing parts, or damaged for reasons not due to our error.
Items returned more than 30 days after delivery (reviewed on a case-by-case basis).
Non-Refundable Fees: Original shipping charges are non-refundable unless the return is due to our error (defective product or incorrect shipment).
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:
Email: support@oneandes.com
Phone: (213) 316-8849 (Mon-Fri, 9 AM – 5 PM Pacific Time)
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.
Top Brands
Samsung LG Panasonic Molicel EVE
Full Size Range
From 10440 to 4680
B2B Experts
Bulk Discounts Global Logistics
Genuine & Safe
A‑grade cells & Certified
