Li-Ion Battery 4.2V-3000mAh, 2 Pcs
Available in stock
| Quantity | Price per unit | You save |
|---|---|---|
| 1–2 pcs | 2.300 Ft | — |
| 3–4 pcs | 2.185 Ft | 5% (−115 Ft/unit) |
| 5–10 pcs | 2.070 Ft | 10% (−230 Ft/unit) |
| 11+ pcs | 1.955 Ft | 15% (−345 Ft/unit) |
18650 Li-Ion Battery for Flashlights and LED Devices
This 4.2V 5000mAh rechargeable Li-Ion battery provides extended autonomy for professional flashlights, portable electronic devices, and other compatible equipment. Standard 18650 format, CE and RoHS certified, stable operation even after hundreds of charging cycles.
What you get with this product
- Extended autonomy up to 5000mAh — long-lasting operation without frequent recharges
- Universal compatibility with all devices that accept standard 18650 format
- Stable Li-Ion technology — retains capacity even after hundreds of complete recharge cycles
- CE and RoHS certifications — guaranteed safety according to European quality standards
- Standard dimensions 18mm x 65mm — fits most equipment without adapters
- Excellent value for money compared to disposable alkaline batteries
How it works and how to use it
The battery is inserted directly into the battery compartment of the compatible device, observing the marked polarity. Recharging should only be done with a special charger for Li-Ion batteries, never with universal chargers or those for other types of batteries. A full charging cycle takes approximately 4-6 hours, depending on the charger used.
For maximum safety and lifespan, avoid overcharging, exposure to extreme temperatures, or mechanical shocks. Do not leave the battery completely discharged for long periods of time.
Frequently Asked Questions
Can I use this battery in any LED flashlight?
Yes, if the flashlight accepts the 18650 format and a nominal voltage of 3.7-4.2V. Check the device specifications before use.
What charger should I use?
Exclusively with a charger designed for 18650 Li-Ion batteries. Universal chargers or those for other types can damage the battery or create safety risks.
How long does a full charge last?
Depending on the device's consumption, between 3-10 hours of continuous operation for medium-power flashlights, or even more for low-power devices.
Technical Specifications
| Battery type | Li-Ion 18650 |
| Nominal voltage | 4.2V |
| Capacity | 5000mAh |
| Energy power | 21Wh |
| Diameter | 18mm |
| Length | 65mm |
| Cell chemistry | Lithium-Ion |
| Certifications | CE, RoHS |
| Terminal type | Flat top |
| Approximate weight | 45g |
Warranty and Support
The product benefits from a 24-month warranty according to Romanian law, covering manufacturing defects. 30-day return policy from purchase date. Fast national courier delivery in 1-3 working days.
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