2-Pack Vapcell K30 18650 3000mAh 30A High Drain Flat Top Battery – for Flashlights, Power Tools & RC
Description
Description
Get the perfect balance of power and capacity with the Vapcell K30, a high-drain 18650 cell that delivers a true 30A continuous discharge alongside a solid 3000mAh capacity. This 2-pack is the go-to choice for high-wattage mods, FET-driven flashlights, cordless power tools, and RC models. The flat top design ensures universal compatibility with spring-loaded contacts and makes spot-welding into custom packs simple. With low internal resistance and Vapcell's rigorous cell matching, the K30 provides consistent, reliable power when your device demands maximum output.
Key Features
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30A True Continuous Discharge – Delivers massive, stable current for demanding devices. Handles sub-ohm builds, power tool surges, and hot-rod flashlight turbos without dangerous voltage sag.
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3000mAh Balanced Capacity – The ideal middle ground between high current capability and usable runtime. More capacity than 2500-2600mAh cells while maintaining a full 30A rating.
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Flat Top Design – Compatible with all standard 18650 spring-contact chargers, flashlights, and battery trays. The flat terminal is perfect for spot-welding nickel strips in DIY packs.
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Low Internal Resistance (≤20mΩ) – Minimizes heat generation and energy loss under load, keeping your device cooler and ensuring maximum power delivery.
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2-Pack Convenience – Perfect for single-cell mechanical mods, dual-battery regulated devices, or keeping a charged spare ready for your high-drain flashlight or tool.
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Vapcell Quality Control – Each cell is tested and matched by Vapcell, a trusted name in the battery community, ensuring consistent capacity and internal resistance.
Parameters
| Parameter | Specification |
|---|---|
| Model | Vapcell IMR18650 K30 |
| Cell Core | High-drain 18650 (equivalent to Samsung 30Q / Sony VTC6 class) |
| Typical Capacity | 3000 mAh (0.2C discharge to 2.5V) |
| Minimum Capacity | ~2900 mAh |
| Nominal Voltage | 3.6 V (typical operating 3.7 V) |
| Max Continuous Discharge | 30 A (cell temperature ≤ 80°C) |
| Max Pulse Discharge | Up to 40 A (short burst, monitor temperature) |
| Discharge Cut-off Voltage | 2.5 V (do not over-discharge) |
| Standard Charge | CC-CV, 0.5C (1500 mA) to 4.2 V, cut-off 50 mA |
| Max Charge Current | 1C (3000 mA); fast charge above 1C requires temperature monitoring |
| Internal Resistance | ≤ 20 mΩ (AC 1 kHz) |
| Cycle Life | ≥ 250 cycles (to 80% capacity, 1C charge / 10A discharge) |
| Operating Temperature (Discharge) | -20°C to 60°C (ensure adequate cooling for sustained 30A) |
| Top Type | Flat Top |
| Dimensions | Approx. 18.4 mm diameter × 65.0 mm length |
| Weight (single cell) | Approx. 48 g |
| Package Includes | 2 × Vapcell K30 18650 cells in protective packaging |
Applications
Recommended For
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High-Power Vaping: Mechanical mods and high-wattage regulated devices with sub-ohm builds (safely down to ~0.12Ω at 3.6V). The 30A rating provides a generous safety margin for demanding coils.
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High-Output Flashlights: FET-driven hot-rod lights and multi-emitter torches that pull 20-30A on turbo. Enjoy both extreme brightness and decent runtime.
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RC Cars, Boats & Airsoft: Competitive models requiring instantaneous high current bursts without voltage drop.
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Cordless Power Tools (Light-Medium): Impact drivers, drills, and wrenches when used in properly built battery packs with a BMS.
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DIY High-Current Projects: Spot welders, portable jump starters, and any application demanding reliable high-rate discharge.
Not Recommended For
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Long-Runtime Low-Power Devices: Solar lights, camping lanterns, and wireless sensors. These benefit more from a 3500mAh high-capacity cell (e.g., Samsung 35E or Panasonic NCR18650GA).
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Standard USB Power Banks: The 30A capability is wasted, and the 3000mAh capacity is lower than high-energy alternatives.
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Devices Requiring Button Tops: This is a flat top cell. Use a magnetic spacer if your device needs a raised positive contact, ensuring it does not cause shorts.
FAQ
Q: Can I use this battery for vaping? What's the lowest safe resistance?
A: Absolutely. The K30 is an excellent cell for mechanical mods and high-wattage regulated devices. At 30A continuous and 3.6V nominal, it can safely handle builds down to approximately 0.12Ω, leaving a comfortable safety margin. Always calculate your actual current using Ohm's law and never exceed 30A.
Q: Is this battery suitable for power tools?
A: Yes, for light-to-medium duty tools like impact drivers and drills. For heavy-duty tools like angle grinders or circular saws that demand 40A+ sustained current, use dedicated higher-drain cells (e.g., Molicel P26A/P28A at 35A) and always use a properly rated BMS.
Q: What cell is under the Vapcell wrap? Is it genuine?
A: Vapcell is a reputable rewrapper known for using authentic high-quality cells from major manufacturers. The K30 typically uses Samsung 30Q or equivalent 3000mAh/30A cells. Each batch is tested for capacity and internal resistance to ensure consistency.
Q: Why choose 3000mAh over 2600mAh or 3500mAh?
A: 3000mAh/30A cells offer the best balance. 2600mAh cells (like the Sony VTC5) deliver similar current but less runtime. 3500mAh cells (like the Samsung 35E) give more runtime but only support 10A continuous. The K30 gives you both strong current and good capacity in one cell.
Q: How should I store these cells when not in use?
A: Store at 3.6–3.7V (approximately 40–50% charge) in a cool, dry place. Use non-conductive battery cases to prevent accidental short circuits. Avoid storing fully charged or deeply 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.