18650 7.4V 3500mah Rechargeable PCB Li-ion Battery with XH-2.54 Plug Conversion Cable (2023)

lateral gills



16.90 dollars

  • describe
  • customer reviews
  • shipping and delivery
  • Return and Refund Policy


18650 7.4V 3500mah Rechargeable PCB Li-ion Battery with XH-2.54 Plug Conversion Cable


  • Model: 2S1P
  • Battery type: 18650 Li-ion
  • Nominal capacity: Nominal 3500 mAh
  • Voltage: 7.4V
  • Capacity: 3500mAh
  • Weight: 150g±2g
  • Charging time: >1000 times
  • Connector: XH-2.54/PH2.0/SM connector
  • Applicable to: headlights, fishing lights, flashlights, audio and other equipment.

Package included:

  • 1x battery
  • 1 line to convert the plug XH-2.54 to PH2.0
  • 1 XH-2.54 to SM plug conversion line

customer reviews

shipping and delivery


We ship packages via standard shipping, which usually takes 7-15 business days (not including processing time, which usually takes 2 business days)

Shipping: Orders under $35 will be charged $5 for standard shipping
Free Standard Shipping on orders of $35 or more

The total time is the sum of the processing time and the shipping time.

Processing time = the time between the moment you place your order and the moment we ship it;
Delivery time = time between when your order is placed and delivery;
Carrier: Standard Shipping
Delivery time: 7-15 working days. Working days refer to Monday - Friday (excluding holidays and weekends)
Delivery area: United States, European countries, Asian countries. ETC

Orders will be processed within 2 days of submission and shipped the day after the processing day.

Make sure all shipping information is correct. If the information is incorrect or missing, we may need to contact you to update your shipping information, which may cause delays in processing your order.

Your order can be delivered via your local post office or local courier service. Depending on your region, most orders will be delivered by your local postal service, so packages will arrive via your regular post. If you are not at home at the time of delivery, the postal service may leave you a card telling you how and where to collect it.

For any other questions, please contact us at sales@batteryint.com

Taxes and duties

Import taxes, duties and related customs fees may be charged upon arrival of the package in the destination country. These fees are determined by customs at the specific destination.

Payment of these fees and taxes is the recipient's responsibility. Please contact your local customs office for more details on fees.

Return and Refund Policy

We want to make sure you are happy and satisfied with your product. If you are not satisfied and would like to return your product, we will accept returns and refunds.

Can I cancel my order?

  • Batteryint.com orders can be canceled prior to shipment.
  • If you want to cancel your order, please contact our customer service. We will issue a refund (or refund if we have already shipped) once we have confirmed the status of the shipment.
  • Please note: PayPal fees are non-refundable per PayPal's seller policy.
  • Cancellations are not accepted if the battery you purchased is a custom product.

DOA (Dead on Arrival) Return Policy:

  • If your battery arrives damaged or faulty, you can return it to us within 7 days of delivery or within 30 days of dispatch if the delivery date cannot be tracked. After shipping, you will receive an email with the shipping date and other details of your order.
  • Please include all accessories such as cables, chargers, batteries in the returned package. If add-ons or components are missing, we'll ask you to pay for them. All return shipping costs will be borne by us.

Defective item return policy:

  • We will do our best to ensure that the products delivered to our customers are in top condition. If your product proves to be defective, please provide us with evidence of:
  • This clause excludes products of categories with certain warranty conditions, as well as damage caused by improper use of the product.
  • Front and back photo of package or box;
  • Partial confirmation of the consignment note (if any);
  • photos or videos of the defective item;
  • Photo or video and a detailed description of the problem;
  • Defective items will be refunded or exchanged free of charge upon return.
  • The refund for return shipping will be 30% of the item price, up to a maximum of $30.

Wrong item received:
If the item you received is completely different from what you ordered, please feel free to contact our customer service and provide us with the following evidence:

  • Photos or videos of the wrong item;
  • Photos or videos showing a problem with the product;
  • Due to the different batches of products shipped, the logo on the goods or packaging you receive may differ from what is shown on our website. If all the functions and appearance of the product prove to be correct, please note that such case will not be covered by this policy. If a return is required, you will be reimbursed for the exchange and shipping after you send us a return receipt showing the amount you paid for the return. Please make sure that the defective item you are returning is in its original packaging and that the item is in the same condition as when you received it. For the wrong item, if you can find a use for it and would rather keep it, you can recommend it to us and we will give you a discount on the purchase.

Unsatisfactory product:

  • If you are not satisfied with your purchase, you can return the product within 30 days of delivery for an exchange or refund (minus shipping costs). If the return is not caused by our error, the buyer will have to bear the cost of the return shipping.
  • Please return the item with the original packaging and accessories in the same condition as you received it.

If the product no longer works within 90 days of shipment (except for reasons caused by misuse and accidental or intentional damage), you may return the product to us. Once your order has been shipped, you should receive an email with the shipping date and other details. We will offer a full refund or exchange once we have received and approved the return and will issue a postage refund when you provide us with your receipt for the postage you paid to return it to us (return tracking number). . screenshot of package or shipping confirmation).
Return shipping should be the lesser of 30% of the value of the defective item or the lesser of 30 United States dollars (USD).We will pay the actual postage (based on the invoice you provide). If the return shipping fee exceeds the above limit, please contact our customer service for further confirmation.

After 90 days and within 180 days of shipment
After receiving the defective item, we will send it to our service center. You will be charged for return shipping, which will be billed by Batteryint.

180 days after shipment
Batteries are consumables and we will not accept returns or exchanges after 180 days of delivery.

How do I return a defective item to Batteryint?
All customers must contact Batteryint customer service for approval (contact: sales@batteryint.com) before returning any item. Batteryint is not responsible for items returned without notice.


  • Returned products must be new, disassembled and in original packaging, including boxes, parts, instructions, etc.
  • Buyer is responsible for return postage and we will cover all replacement shipping. For protection, we strongly recommend that customers insure returned products against loss or damage and use a carrier that can provide proof of delivery.
  • All returns must be consulted with us first, returns without an RMA (provided by our customer service) are not accepted.
  • Our refund policy is a refund of the purchase price only (not including shipping and handling or insurance).
  • Place a message inside the return package with the following details (order number, product ID or name, quantity, brief description of product problem)
  • After you return the product by mail, send us the tracking number and a copy of the packing slip; if we cannot receive this information, we will have to wait until the product arrives at our warehouse. We are not responsible for responses to items lost during the return process.
  • Once we receive your returned item, we must process any exchanges or refunds. The refund will be arranged using the same payment method you used for the order. All brokerage fees and bank fees are borne by the buyer;
  • Products out of warranty are not covered by the return, exchange and refund policy.

How long does it take to get a refund?

  • If our return request has been confirmed and approved by our customer service, we will issue a refund once we receive the returned package.
  • The refund will be arranged using the same payment method you used for the order. All brokerage fees and bank fees are borne by the buyer;
  • It usually takes 3-7 business days for your money to be credited back to your account.

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Can 18650 battery be replaced with AA? ›

No, you cannot replace (or use) an 18650 battery in place of an AA battery. The differences in their capacities and nominal voltages make it challenging to replace them, even if you connect AA batteries in series to increase their voltage.

How many amps can you pull from a 18650? ›

A single 18650 is 2.6 amp hours. 2.6 amps can be drawn for one hour.

How do you charge two 3.7 V Li ion batteries? ›

For safe charging of a 3.7 V Lithium-ion batteries they should be charged at constant-current of 0.2 to 0.7 times their capacity, till their terminal voltage reach 4.2 V, later they should be charged in constant-voltage mode till charging current drops to 10% of initial charging rate.

How many hours does a 18650 battery last? ›

As the technology advances the cost to make these batteries will decrease and in return will drop the cost on retail prices as well for the average consumer. Time for a 18650 cell is typically about 4 hours but can vary with different voltage and amperage of the charger you're using.


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