Polymer Li-Ion Single Cell Battery 3.7V 30mAh 10x10x4mm
Prices updated: 14 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
 Microohm | Polymer Li-Ion Single Cell Battery 3.7V 30mAh 10*10*4mm | 35 EGP45 | View in store |
Price history
Lowest daily price, last 90 days
Lowest price recorded: 35 EGP
About this product
A small single-cell polymer Li-ion battery rated at 3.7V nominal and 30mAh, measuring 10x10x4mm. It suits compact battery-powered devices such as small sensor nodes, wearables and miniature hobby projects. Charge it only with a single-cell lithium charger that stops at 4.2V.
Specifications
- Chemistry
- Li-ion polymer (LiPo)
- Nominal voltage
- 3.7 V
- Capacity
- 30 mAh
- Dimensions
- 10 x 10 x 4 mm
- Cell count
- 1 (single cell)
- Maximum charge voltage
- 4.2 V
Frequently asked questions
What is the price of Polymer Li-Ion Single Cell Battery 3.7V 30mAh 10x10x4mm in Egypt?
Polymer Li-Ion Single Cell Battery 3.7V 30mAh 10x10x4mm currently costs 35 EGP in Egypt.
Where can I buy Polymer Li-Ion Single Cell Battery 3.7V 30mAh 10x10x4mm in Egypt?
Polymer Li-Ion Single Cell Battery 3.7V 30mAh 10x10x4mm is available from Microohm. Compare the offers above to find the best price.
Can I connect this battery directly to a 5V supply to charge it?
No. Charge it through a single-cell lithium charger module that stops at 4.2V and includes protection. Connecting it directly to 5V can damage the cell.
Can I use it to power a 3.3V microcontroller board?
Yes, but the voltage varies from about 4.2V when full to about 3.0V when nearly empty. Use a regulator or LDO that works across this range, and make sure the battery is protected against over-discharge.
