EVE 20P 18650 Battery 2-Pack Matched Pair 2000mAh 20A Flat Top for Dual Cordless Power Tools & High Intensity Flashlights (ICR18650-20P)
Description
Product Description
The EVE 20P 18650 Battery 2-Pack Matched Pair is a high-performance power solution engineered for demanding applications where consistency and reliability are critical. Each cell in this carefully selected pair delivers a robust 2000mAh capacity and a stable 20A continuous discharge, making it the ideal choice for dual-battery mods, cordless power tools, and high-intensity flashlights.
Unlike buying two separate single cells, this Matched Pair comes from the same production batch, ensuring nearly identical capacity, voltage, and internal resistance. This matching is essential for dual-battery devices. It ensures balanced discharging, minimizes the risk of one cell being overworked, and extends the overall lifespan of both the batteries and your device. You get consistent, reliable performance every time you press the fire button or pull the trigger.
Each battery features a Flat Top terminal, the industry standard for modern flashlights, mods, and DIY battery packs. This design guarantees a secure, low-resistance connection with your device's contacts. Whether you are a passionate vaper using a dual-battery regulated mod, a professional tradesperson relying on cordless tools, or an outdoor enthusiast demanding the brightest possible illumination, the EVE 20P Matched Pair delivers the power and dependability you need.
Key Features
-
Matched Pair for Consistent Performance
The two cells in this 2-Pack are matched from the same batch. This ensures they have identical capacity, voltage, and internal resistance, resulting in balanced performance in dual-battery devices. This is critical for optimizing the lifespan and safety of both your batteries and your device. -
High 20A Continuous Discharge
Engineered for high-drain applications, the EVE 20P delivers a steady 20A continuous current. It is perfectly suited for devices that require sustained high power, such as high-wattage mods and heavy-duty power tools. It supports short pulse discharges up to 40A for burst power needs. -
2000mAh Optimized Capacity
The 2000mAh capacity is specifically chosen to prioritize high power output and low internal resistance over runtime. For demanding applications like power tools and high-wattage mods, a 20A cell with 2000mAh capacity provides more consistent and reliable performance than a lower-power, higher-capacity cell. -
Low Internal Resistance
With a typical internal resistance of approximately 15-20 milliohms, the EVE 20P minimizes energy loss as heat. This translates to more efficient power transfer to your device, resulting in less heat generation and better overall performance. -
Versatile Flat Top Design
The standard Flat Top terminal is compatible with the vast majority of modern devices, including dual-battery mods, cordless tools, and high-intensity flashlights. It ensures a solid, reliable connection. -
Proven EVE Reliability
Manufactured by EVE Energy, a globally recognized leader in lithium-ion technology, these cells undergo rigorous quality control and safety testing, providing trusted performance in high-drain environments.
Technical Parameters
| Parameter | Value |
|---|---|
| Brand & Model | EVE ICR18650-20P |
| Battery Type | Lithium-Ion (Li-Ion) |
| Size | 18650 (Diameter 18mm, Height 65mm) |
| Capacity | 2000mAh (Minimum 1900mAh) |
| Nominal Voltage | 3.7V |
| Full Charge Voltage | 4.2V |
| Cut-off Voltage | 2.5V |
| Continuous Discharge Current | 20A |
| Pulse Discharge Current | Up to 40A (short pulses only, not for continuous use) |
| Internal Resistance | ~15-20mΩ (Typical) |
| Positive Terminal | Flat Top |
| Protection Circuit | Unprotected (relies on device BMS) |
| Operating Temperature | -20°C to 60°C |
| Storage Temperature | -20°C to 45°C |
| Quantity in Package | 2 Cells (2-Pack Matched Pair) |
Applications
-
Cordless Power Tools
Ideal for high-drain cordless tools like impact drivers, small angle grinders, and cordless drills that require short bursts of high power. The 20A rating meets the needs of demanding tasks. -
High-Intensity Flashlights
Power tactical flashlights, searchlights, and high-lumen headlamps that demand a high current for sustained, bright output. The Flat Top design is compatible with most modern flashlights. -
RC Hobbies & Drones
Drive high-performance RC cars and racing drones that require a sudden spike of current for acceleration and maneuverability. The 20A output is sufficient for many hobby-grade models. -
DIY Battery Packs
Build custom 2S or larger battery packs for robotics, e-skateboards, and portable power stations. The matched pair provides a solid foundation for balanced pack assembly.
FAQ
Q1: What is the advantage of buying this Matched Pair 2-Pack?
A: The primary advantage is guaranteed consistency. When you buy two separate single cells, there is always a risk that they will have slightly different capacity or discharge characteristics, which can lead to unbalanced performance in dual-battery devices. Our Matched Pair ensures both cells are from the same batch and have near-identical specifications, resulting in better performance, longer lifespan, and safer operation.
Q2: Why does this battery have only 2000mAh capacity?
A: The 2000mAh capacity is an engineering trade-off to prioritize high power output and low internal resistance. For high-drain applications like power tools and high-wattage mods, a 20A cell with 2000mAh capacity will deliver more consistent power and generate less heat than a lower-power, higher-capacity cell.
Q3: Is this battery protected or unprotected?
A: This is an unprotected cell. It does not contain a built-in protection circuit. You must ensure that your device has a BMS (Battery Management System) or that you use an external smart charger with overcharge and over-discharge protection.
Q4: What charger should I use?
A: Use a dedicated, intelligent lithium-ion charger designed for 3.7V/4.2V cells. Do not use NiMH chargers. A quality charger with overcharge protection and temperature monitoring is highly recommended.
Q5: How should I store these batteries?
A: Store them at a partial charge (around 40%-60% capacity) in a cool, dry place away from direct sunlight and extreme temperatures. Do not store them fully charged or completely empty for long periods.
Shipping and Returns
-
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 & 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
As a high-drain cell, it's good. However, in a high power flashlight it only runs 40 minutes. You trade capacity for amps.
They hit hard in my mech, but I recharge more often. If you need high drain, these are great, but consider capacity.
Rebuilt a 2P pack for my portable drill. The matched pair gave balanced discharge. Drill runs like new.
Used in my cordless screwdriver, 20A allows high torque without voltage sag. 2000mAh is fine for intermittent use.
My Olight M2R pulls 8A, these 2000mAh cells deliver steady light. Matched pair means I have a spare ready.
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:
-
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.