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3.7V Lithium-Ion 18650 Rechargeable Battery Cells
Original price was: ৳ 550.৳ 300Current price is: ৳ 300.
Keep your portable electronics and electronic gadgets fully powered with this reliable **3.7V rechargeable battery** 18650 Lithium-Ion cell. Featuring a standard cylindrical shape, it pairs a stable energy density output with 500 plus recharge life cycles, zero memory effect, and wide compatibility across mini fans, flashlights, and DIY power bank builds.
- **Stable 3.7V Energy Output:** Delivers clean, continuous power to keep high-drain portable electronics running smoothly.
- **Standard 18650 Form Sizing:** Perfectly fits inside common emergency LED flashlights, mini desktop fans, and toy compartments.
- **Long Lifecycle Durability:** Supports up to 500 full charge and discharge cycles without losing significant storage capacity over time.
- **Perfect for Custom DIY Packs:** Flat-top or button-top variations make spot-welding easy for power banks and electronics projects.
- **Fast Bangladesh Home Delivery:** Enjoy secure, trackable doorstep courier delivery across BD through **Steadfast Courier**.
Shipping & Delivery
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Courier delivery
Both Home Delivery and Cash on Delivery services are available
1-3 Days
Inside Dhaka 60Tk
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Courier delivery
Deliver Parcel on Time with no Hassle
2-3 Days
Outside Dhaka 120Tk
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7 Days Replacement
Description
This premium **3.7V rechargeable battery** delivers high-capacity, long-lasting energy storage for your everyday electronics, portable gadgets, and DIY electronics hardware. Built on a standardized cylindrical 18650 size configuration, it fits comfortably into standard high-drain devices. Because it pairs stable Lithium-Ion chemistry with a heavy-duty cycle life, it offers a reliable power upgrade over traditional disposable cells.
High Energy Density for Portable Electronics
Keep your essential daily devices running much longer between charges. The **3.7V rechargeable battery** cell provides a sustained, steady voltage level that satisfies power-hungry gadgets. It is the exact standard size required to power portable desk fans, mini humidifiers, tactical LED flashlights, and portable wireless speakers. It ensures your devices operate at peak performance without flickering or early power drops.
This cell also handles continuous power output exceptionally well during heavy usage cycles. The lithium-ion internal architecture supports consistent discharge current rates. This design minimizes internal heat generation, protecting your devices from overheating and ensuring the cell maintains its storage efficiency even after hundreds of full recharge runs.
Ideal Choice for Power Banks and Custom DIY Packs
Build custom backup power packs or repair older battery accessories easily. These individual cells feature flat-top or button-top terminations that are easy to spot-weld or slide into multi-cell enclosures. You can group multiple cells together in parallel configurations to increase your overall milliampere-hour rating or link them in series to hit specific higher voltage target limits. This flexibility makes them perfect for power bank building blocks and robotic toys.
Managing the health of your power setup is simple when paired with standard multi-slot lithium-ion smart chargers or small BMS modules. This rechargeable cell features zero memory effect. You can top it off or charge it at any capacity level without losing overall energy retention capacity over time, ensuring your custom builds remain durable and ready.
Long Life Cycles and Eco-Friendly Energy Alternative
Eliminate the hassle and ongoing expense of constantly buying single-use alkaline batteries for your household accessories. A single high-grade 18650 cell can replace hundreds of disposable batteries over its lifetime, greatly reducing electronic waste footprint. It holds its charge efficiently for months when stored in a cool, dry environment, making it a dependable backup option for emergency disaster lights and home security sensors.
Safety insulation shields fully wrap the cell body to protect against external short-circuit hazards during transport or installation. Its robust combination of compact sizing, high capacity retention, and multi-device usability makes it a smart choice for hobbyists, technicians, and everyday consumers looking to keep portable gadgets powered up.
| Product Feature | Technical Specification |
|---|---|
| Battery Type | Lithium-Ion (Li-Ion) Rechargeable Cell |
| Form Factor Size | Standard 18650 Cylindrical Case |
| Nominal Voltage | 3.7 Volts (Fully Charged peak at approx. 4.2V) |
| Rechargeable Cycles | Up to 500+ Full Charge/Discharge Cycles (Based on usage behavior) |
| Terminal Configuration | Button Top / Flat Top (Depending on production batch variations) |
| Best Used For | Rechargeable Fans, Flashlights, Power Banks, Electronic Toys, and DIY Audio Speakers |
| Memory Effect | None (Can be recharged at any partial state of discharge safely) |
Broad Compatibility and Easy Installation Design
The standard size fits perfectly into spring-loaded internal battery compartments found inside a wide range of household electronic devices. It works smoothly with a vast variety of lithium charging docks and basic DIY electronics kits. Its excellent combination of stable voltage output, reliable lifespan, and general versatility makes it a must-have energy cell for any tech workstation or household emergency drawer.
This **3.7V rechargeable battery** delivers the ideal blend of budget-friendly pricing and robust long-term performance. It is one of the most widely used and practical power cells available for consumer hardware across Bangladesh.
What is in the box: 1 x 3.7V Lithium-Ion 18650 Rechargeable Battery Cell (Individual Unit).
Delivery Info: Get safe, fully trackable doorstep delivery anywhere in Bangladesh via the reliable **Steadfast Courier** network.
Warranty Notice: Please keep the original purchase invoice safe to claim any applicable brand or seller warranty services.
