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2PCS 3.7V Li-ion 502030 Battery 250mAh Lipo Battery Rechargeable Lithium Polymer ion Battery Pack with JST Connector

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Availability: Only 2 left in stock, order soon!
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Arrives Sunday, May 17
Order within 12 hours and 56 minutes
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Features

  • [Battery size]: 5mm * 20mm * 30mm (T * W * L)
  • [Applicable equipment]:portable DVD players, bluetooth devices wireless devices, wearable electronic devices, PDA and digital cameras, GPS, monitoring units, notebook computers, e-books, telematics, tracking devices, sleep management equipment, blood oxygen tracking equipment, pulse monitors, Wi-Fi enabled smart home systems.
  • [Features]: Lithium-ion battery nominal voltage 3.7V, fully charged 3.7V, Built-in Seiko battery protection module to prevent overcharging and short circuit of this battery
  • [Connector type]: Jst pitch 1.25 mm, 2 pins, wire length: 50 mm
  • [Notice]: Check the polarity of the battery against the old battery before replacing it. Red wire connection power supply plus "+", black wire connection power supply negative pole "-". If is reversed, the position of the interchange wire is required.

Description

Warrenty: period is 12 months from the date of manufacture; October Technology Co., Ltd. is not responsible for accidents caused by failure to operate in accordance with the provisions of this specification. Attention: Do not put the battery into the water or get it wet; Do not use or store batteries near heat sources such as fire or heaters; Please use a special charger for lithium batteries; Do not reverse the positive and negative poles; Do not connect the battery directly to a wall outlet or a car cigarette lighter socket; Do not throw the battery into fire or heat the battery; It is forbidden to shortcircuit the positive and negative terminals of the battery with wires or other metal objects. It is forbidden to transport or store the battery together with necklaces, hairpins or other metal objects; prohibiting impact, throwing or subjecting the battery to mechanical shocks; Do not pierce the battery case with nails or other sharp objects, and prohibit hammering or pedaling or squeezing the battery; Direct soldering of battery terminals is prohibited; prohibiting the battery from being broken down in any way;

Number of Batteries: 2 Lithium Polymer batteries required. (included)


Brand: Octelect


Battery Cell Composition: Lithium Polymer


Battery Capacity: 250 Milliamp Hours


Recommended Uses For Product: Gps,Digital,Camera


Package Dimensions: 2.17 x 1.61 x 0.47 inches


Item Weight: 0.352 ounces


Item model number: OCT-BT502030


Batteries: 2 Lithium Polymer batteries required. (included)


Date First Available: July 1, 2021


Manufacturer: October Technology CO.,LTD.


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, May 17

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews


  • Good fit and have good capacity
Nice little batteries. Replaced the rechargeable batteries in a headlamp. Delivery took weeks. But they fit exactly. Had to cut the connectors off and solder in but they charged right up and work great
Reviewed in the United States on June 21, 2025 by David

  • Polarity opposite of product image
The polarity shown in the image is opposite of that in the actual batteries received.
Reviewed in the United States on September 26, 2023 by Anon

  • Perfect replacement batteries.
Perfect replacement batteries for mini RC helicopters. It came nicely individually package. The batteries seem to have longer runtime in compare to original batteries.
Reviewed in the United States on April 2, 2023 by BusaVTX BusaVTX

  • Garbage
Didn't last for few days. Totally garbage
Reviewed in the United States on October 30, 2023 by pinoyeagle

  • Exactly what I needed
Works perfectly as a replacement in my vehicle alarm fob
Reviewed in the United States on April 21, 2023 by Bobby

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