
18650 Li-ion Rechargeable Battery 3.7V 4200mAh (Tested 800mAh)
Prices updated: 13 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
Microohm | UltraFire 18650 Battery 4200mAh 3.7V Li-lon Rechargeable Copy (800mA Actual Tested Capacity) | 45 EGP50 | View in store |
Price history
Lowest daily price, last 90 days
Lowest price recorded: 45 EGP
About this product
A 18650 lithium-ion rechargeable cell with a nominal voltage of 3.7 V, used in portable devices and battery-powered DIY projects. The listing labels it 4200 mAh, but the actual tested capacity is stated as 800 mAh, so design runtime around the tested value. Use a charger and protection circuit designed for Li-ion cells.
Specifications
- Chemistry
- Li-ion
- Format
- 18650
- Nominal voltage
- 3.7 V
- Labeled capacity
- 4200 mAh
- Tested capacity
- 800 mAh (as stated in listing)
- Rechargeable
- Yes
Frequently asked questions
What is the price of 18650 Li-ion Rechargeable Battery 3.7V 4200mAh (Tested 800mAh) in Egypt?
18650 Li-ion Rechargeable Battery 3.7V 4200mAh (Tested 800mAh) currently costs 45 EGP in Egypt.
Where can I buy 18650 Li-ion Rechargeable Battery 3.7V 4200mAh (Tested 800mAh) in Egypt?
18650 Li-ion Rechargeable Battery 3.7V 4200mAh (Tested 800mAh) is available from Microohm. Compare the offers above to find the best price.
Why is the tested capacity so much lower than the 4200 mAh label?
The listing states the actual tested capacity is 800 mAh and describes the cell as a copy. Use the tested value for runtime estimates and treat the printed rating as unverified.
What kind of charger should I use?
Use a charger designed for 18650 Li-ion cells that stops at 4.2 V per cell, and use a protection circuit to prevent overcharge, over-discharge and short circuits.





