Laptop Battery, Li-Ion, 3.7V, 5000mAh
Available in stock
| Quantity | Price per unit | You save |
|---|---|---|
| 1–2 pcs | 32,99 lei | — |
| 3–4 pcs | 31,34 lei | 5% (−1,65 lei/unit) |
| 5–10 pcs | 29,69 lei | 10% (−3,30 lei/unit) |
| 11+ pcs | 28,04 lei | 15% (−4,95 lei/unit) |
18650 Li-Ion Battery for Portable Devices and Laptops
Rechargeable 18650 type battery with 5000mAh capacity and 3.7V voltage, ideal for repairing laptop batteries or for use in flashlights, power banks, and other electronic devices. Universal format, compatible with standard 18650 holders, with a flat positive terminal for flexible mounting.
What you get with this product
- Extended autonomy — 5000mAh capacity for long use between device charges
- Universal compatibility — standard 18650 format fits in laptop batteries, professional flashlights, DIY power banks
- Flat positive terminal design — facilitates mounting in battery packs where space is limited, without a protruding button top
- Durable Li-Ion construction — stable technology, with multiple recharge cycles and consistent performance over time
- Verified standard dimensions — 18mm diameter, 65mm length, integrates precisely into existing holders
- Price-performance ratio — economical solution for battery repairs or DIY projects with real autonomy
How it works and how to install
The 18650 Li-Ion battery is charged with a dedicated charger for this type of battery, never directly from the mains. The cell is mounted in the holder or battery pack with the flat positive terminal oriented according to the device's diagram. When used in laptop packs, follow the series/parallel connection order recommended by the original battery manufacturer. Avoid short circuits and storage at extreme temperatures.
Frequently Asked Questions
Can I use the battery directly in a laptop without a special charger?
No, the battery requires a dedicated charger for 18650 Li-Ion batteries. Do not connect it directly to uncontrolled voltage sources.
What does a flat positive terminal mean and why does it matter?
The positive end is without a protruding button top, which allows mounting in battery packs with reduced space and direct contact with the protection board.
How long does a full charge take and how many cycles does it last?
A full charge takes 4-6 hours with an adequate charger. Quality Li-Ion batteries support over 500 recharge cycles before significant degradation.
Technical specifications
| Battery type | Lithium-Ion 18650 |
| Nominal voltage | 3.7V |
| Capacity | 5000mAh |
| Battery format | 18650 |
| Diameter | 18mm |
| Length | 65mm |
| Positive terminal | Flat (button top absent) |
| Case color | Green |
| Recommended use | Universal (laptop, flashlights, power bank) |
| EAN | 0781499727585 |
Warranty and support
The product benefits from a 24-month warranty according to Romanian legislation for manufacturing defects. 30-day return policy from receipt of parcel. Fast delivery via national courier with tracking.
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