NITECORE NL2150HPi 21700 Battery - 5000mAh 3.6V 15A High-Drain Rechargeable Li-ion Cell with Built-in Protection Board for Flashlights, High-Power Devices & Everyday Electronics
Description
【Product Description】
The Golden Balance of Capacity and High-Drain Performance. The NITECORE NL2150HPi is a premium 21700 rechargeable Li-ion battery that perfectly combines a 5000mAh high capacity with an impressive 15A continuous discharge current. This makes it the ultimate power source for high-lumen tactical flashlights, heavy-duty electronics, and demanding outdoor gear.
Unlike ordinary unprotected cells, the NL2150HPi features a comprehensive safety architecture. Inside the positive terminal lies a custom high-performance protection circuit board using premium MOSFETs to prevent overcharging, over-discharging, and short circuits. Its pressure safety valve automatically releases internal pressure to prevent swelling or explosions.
Encased in a durable fully metal outer shell, the NL2150HPi offers unmatched impact resistance and corrosion protection. With a lifespan of over 500 charge cycles and 100% mercury/lead/cadmium-free, the NITECORE NL2150HPi is a safe, reliable, and eco-friendly upgrade for your most demanding devices.
【Key Features】
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Golden Balance Capacity (5000mAh): Delivers a massive 5000mAh capacity, providing extended runtimes without compromising power output.
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High-Drain 15A Continuous Discharge: Provides a stable 15A output, allowing high-lumen flashlights to maintain peak brightness without voltage sag or overheating.
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Built-in High-Performance Protection Board: Features a premium multi-layer protection circuit with high-quality MOSFETs, effectively guarding against overcharge, over-discharge, and short circuits.
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Pressure Safety Valve: A built-in pressure relief mechanism prevents internal pressure build-up, protecting you from potential swelling or explosion hazards.
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Durable Metal Shell: Fully metal outer housing provides excellent impact resistance and long-lasting corrosion protection.
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Green & Eco-Friendly: Completely free of mercury, lead, and cadmium.
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Reliable 500+ Cycle Life: Withstand over 500 charge/discharge cycles, providing long-term value.
【Parameters & Specifications】
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Brand: NITECORE
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Model: NL2150HPi
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Battery Size: 21700
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Nominal Capacity: 5000mAh
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Nominal Voltage: 3.6V
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Max Continuous Discharge Current: 15A
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Charge Cut-off Voltage: 4.2V
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Cycle Life: 500+ cycles
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Terminal Type: Button Top (with built-in protection board)
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Dimensions: 21.9mm (Dia) × 77.2mm (Height) ± 0.3mm
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Weight: Approx. 76g
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Warranty: 12-Month Free Warranty
【Applications】
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High-Lumen Tactical Flashlights: Powers high-intensity searchlights and EDC flashlights.
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Outdoor & Survival Gear: Essential power source for camping, hiking, and emergency preparedness.
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High-Power Electronics: Suitable for high-drain vape mods, robotics, and power-hungry portable devices.
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DIY Projects: A reliable protected cell for custom battery packs and electronics.
【Frequently Asked Questions (FAQ)】
Q1: What makes the NL2150HPi different from standard 21700 batteries?
A1: The NL2150HPi offers a perfect balance of capacity and discharge rate. With 5000mAh capacity and 15A continuous discharge, it can deliver high power while maintaining long-lasting endurance.
Q2: Is this battery safe for my high-lumen flashlight?
A2: Absolutely. The NL2150HPi is specifically designed for high-power devices. It features a built-in protection board and a pressure safety valve, ensuring safe and reliable operation even under heavy loads.
Q3: Why is it longer than a standard 21700 battery?
A3: The NL2150HPi includes a built-in protection circuit board at the positive end, adding extra length (77.2mm) to ensure maximum safety. Please carefully measure your device's battery bay depth before purchase to ensure it fits!
Q4: Can I charge this battery with a standard 21700 charger?
A4: Yes. It is a standard 21700 Li-ion battery with a standard 4.2V charge cut-off. You can safely charge it with any high-quality 21700 Li-ion smart charger (such as the NITECORE UM4 or similar models).
Q5: Are these batteries safe for the environment?
A5: Yes! They are 100% free of mercury, lead, and cadmium, making them an environmentally friendly choice that aligns with green living standards.
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.
