OpenSky collects personal information in relation to operating our site and services. We do not sell personal information, but it may be shared with third parties for certain business purposes. Please review our Privacy Policy for more information on the data we collect and your associated rights.

4X 5800mAh Li-ion 18650 3.7V Rechargeable Battery + 2X Smart Charger

You save $6.85 (30% off)
OpenSky savings
30% off MSRP
- $6.85
Due to COVID-19, your shipment may be delayed 1-2 weeks

Please select an option

4X 5800mAh Li-ion 18650 3.7V Rechargeable Battery + 2X Smart Charger


  • 18650 3.7v Rechargeable Battery:

  • No memory effect

  • Environmentally friendly

  • Battery Type: 18650 Rechargeable Battery

  • Voltage: 3.7v

  • Capacity: 5800mAh

  • Material: Li-ion Battery

  • Rechargeable times: Up to 1800 times

  • Size: 18mm x 65mm


  • DO NOT dispose in fire or heat;

  • DO NOT mix fresh batteries with used batteries

  • DO NOT puncture,damage,and disassemble;

Smart Battery Charger:

  • It is with high efficiency and reliability! High Quality 2 Slots Charger for 18650 Battery. Quick charge with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock.

  • Input Voltage: AC 100V - 240V 50 / 60Hz Max150mA

  • Output Voltage: DC 4.2V 650mA

  • Battery Type: 2 x 18650 rechargeable battery

  • Rechargeable Time Limit: About 2 hours

  • Dimensions: 1.73" x 1.26" x 3.27" (L x W x H)

Package Includes:

  • 4pcs x 18650 3.7 Rechargeable Battery

  • 2pcs x Dual Smart 18650 Battery Charger

    Weight (lbs.):0.57
    Ships To
    Additional Item
    Continental United States
    This product usually ships in 4 business days and should be delivered in 10 business days.
    Shop worry free! If you’re not 100% happy with your purchase, you can exchange or return this item within 14 days of receiving it.

    Welcome! is being merged in to our web store. For any customer services inquiries please email our support team directly at [email protected]

    Where is my order?

    How do I get the status of my order?

    You will have received an email letting you know that your order has shipped. It will include the carrier (USPS, UPS, FedEx) and tracking number of your package. The time it takes for a package to ship can vary widely depending on the merchant and type of product. You can email our support team directly at [email protected]

    Returns, Refunds, and Cancellations

    How do I cancel my order?

    You can email our support team directly at [email protected]

    How do I return something?

    You can return or exchange eligible items up to 14 days from the date your order was delivered as long as products are in resalable condition. Items must be in their original condition (unused, unwashed and undamaged) with all the packaging intact.

    My package arrived damaged! What should I do?

    You can email our support team directly at [email protected]