4-Pack EVE INR21700-40PL 4000mAh 70A High Drain Flat Top Battery – Tabless Cell for E-Scooter, Power Tools, RC
Description
Description
Experience the next level of power with the EVE 40PL, a tabless 21700 cell that delivers an astounding 70A continuous discharge and 4000mAh capacity. This 4-pack is built for the most extreme applications: high-performance e-scooters, heavy-duty cordless tools, competition-level, and high-output RC models. The tabless design slashes internal resistance to near-unbeatable levels, virtually eliminating voltage sag and heat build-up under massive loads. The flat top fits all standard 21700 spring-contact devices and is perfect for spot-welding into custom high-current packs. When your project demands maximum current without sacrificing capacity, the 40PL is the ultimate power solution.
Key Features
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70A Continuous / 120A Pulse Discharge – Unleash massive current for the most power-hungry devices. Handles super-sub-ohm builds, angle grinder start-ups, and e-scooter hill climbs with ease.
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Tabless (All-Tab) Technology – Reduces internal resistance to ~8mΩ, minimizing heat and ensuring instant power delivery. The cell stays cooler and hits harder under sustained loads.
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4000mAh High Capacity – Remarkable energy density for a high-drain cell. More runtime than typical 3000–3500mAh high-power cells, reducing the need for frequent recharges.
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Flat Top Design – Compatible with all standard 21700 spring-contact chargers, flashlights, and battery trays. Ideal for spot-welding nickel strips in custom battery builds.
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4-Pack Convenience – Perfect for building a high-current 2S2P pack, powering dual-battery mods, or equipping a set of heavy-duty tools.
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EVE A-Grade Quality – Rigorously tested for consistent performance, low self-discharge, and long cycle life. Trusted by professionals worldwide.
Parameters
| Parameter | Specification |
|---|---|
| Model | EVE INR21700-40PL |
| Technology | Tabless (All-Tab) |
| Typical Capacity | 4000 mAh (0.2C discharge to 2.5V) |
| Minimum Capacity | ~3900 mAh |
| Nominal Voltage | 3.6 V (typical operating 3.7 V) |
| Max Continuous Discharge | 70 A (cell temperature ≤ 80°C; for extended cycle life, ≤60 A recommended) |
| Max Pulse Discharge | 120 A (short burst <5 sec, monitor temperature) |
| Discharge Cut-off Voltage | 2.5 V (do not over-discharge) |
| Standard Charge | CC-CV, 0.5C (2000 mA) to 4.2 V, cut-off 50 mA |
| Max Charge Current | 1C (4000 mA); fast charge above 1C requires temperature monitoring |
| Internal Resistance | ≤ 8 mΩ (AC 1 kHz) |
| Cycle Life | ≥ 500 cycles (to 80% capacity, 0.5C charge / 1C discharge) |
| Operating Temperature (Discharge) | -20°C to 60°C (ensure active cooling for sustained 70A) |
| Top Type | Flat Top |
| Dimensions | Approx. |
| 21.2 mm diameter × 70.3 mm length | Weight (single cell) | Approx. |
| 68 g | Package Includes | 4 × EVE 40PL 21700 cells in protective packaging |
Applications
Recommended For
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High-Performance E-Scooters & E-Bikes: Build compact, high-power battery packs (e.g., 10S1P or 10S2P) that deliver massive acceleration and hill-climbing torque. Always use a BMS rated for at least 100A.
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Heavy-Duty Cordless Tools: Angle grinders, circular saws, rotary hammers — the 40PL provides the current headroom these tools demand without voltage sag.
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Competition Vaping: Super-sub-ohm mechanical mods and high-wattage regulated devices (builds down to ~0.06Ω) benefit from the near-zero voltage drop and massive pulse capability.
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Extreme-Output Flashlights: FET-driven hot-rod lights and multi-emitter searchlights that pull 40–60A on turbo can run at full brightness with this cell.
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RC Cars, Boats & Drones: Professional racing models requiring instantaneous 100A+ bursts.
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DIY High-Current Projects: Portable spot welders, high-power inverters, and any application where both current and capacity are critical.
Not Recommended For
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Low-Power Long-Runtime Devices: Solar lights, wireless sensors, and clocks. The 40PL is overkill; choose a 5000mAh low-drain cell like the Samsung 50G.
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18650-Only Devices: This is a 21700 cell (21mm x 70mm) and will not fit.
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Standard USB Power Banks: The extreme performance is wasted in a 5V/2A application.
FAQ
Q: Is the 70A rating continuous? Some sources list 60A.
A: The EVE 40PL is rated for 70A continuous discharge. However, to maximize cycle life and keep the cell well within safe temperature limits, many builders design their systems for a 60A continuous ceiling. The cell is fully capable of 70A; just ensure proper cooling if you plan to run at that level continuously.
Q: What does “Tabless” mean and why is it better?
A: A tabless (or all-tab) design eliminates the traditional thin metal tabs connecting the electrode layers. Instead, the entire edge of the electrode is directly connected to the terminal. This drastically reduces internal resistance, minimizes heat, and allows for much higher current delivery with less voltage sag.
Q: Can I use this for vaping? What’s the lowest safe resistance?
A: Yes, the 40PL is a top-tier choice for extreme sub-ohm vaping. With 70A continuous and 3.6V nominal, it can safely handle builds down to approximately 0.05Ω, but this is at the absolute limit. We recommend staying at or above 0.07Ω and always calculating your current using Ohm’s law. The 120A pulse rating provides additional safety headroom for short draws.
Q: Do I need a special charger for tabless cells?
A: No. The 40PL charges just like any other 21700 lithium-ion cell. Use a quality CC-CV charger. Charging at 0.5C (2A) is recommended for longevity, though it can accept up to 4A.
Q: How should I store these cells?
A: Store at 3.6–3.7V (~40–50% charge) in a cool, dry place using non-conductive battery cases. Avoid storing fully charged or fully discharged for extended periods.
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.