Polymer Li-Ion Single Cell Battery 3.7V 300mAh 35x20x5mm (502035)
Prices updated: 14 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
 Microohm | Polymer Li-Ion Single Cell Battery 3.7V 300mAh 35*20*5mm 502035 | 120 EGP160 | View in store |
Price history
Lowest daily price, last 90 days
Lowest price recorded: 120 EGP
About this product
A single-cell rechargeable polymer Li-Ion battery rated at 3.7 V and 300 mAh in a slim 35 x 20 x 5 mm format. It is suited to small wearable, Bluetooth and sensor projects where space is limited.
Specifications
- Nominal voltage
- 3.7 V
- Capacity
- 300 mAh
- Chemistry
- Polymer Li-Ion
- Cells
- 1 (single cell)
- Dimensions
- 35 x 20 x 5 mm
Frequently asked questions
What is the price of Polymer Li-Ion Single Cell Battery 3.7V 300mAh 35x20x5mm (502035) in Egypt?
Polymer Li-Ion Single Cell Battery 3.7V 300mAh 35x20x5mm (502035) currently costs 120 EGP in Egypt.
Where can I buy Polymer Li-Ion Single Cell Battery 3.7V 300mAh 35x20x5mm (502035) in Egypt?
Polymer Li-Ion Single Cell Battery 3.7V 300mAh 35x20x5mm (502035) is available from Microohm. Compare the offers above to find the best price.
How should I charge this battery?
Use a charger designed for single-cell Li-Po/Li-Ion batteries with a 4.2 V cut-off, such as a protected TP4056-style module. Keep the charge current at or below 1C (300 mA), and ideally around 0.5C (about 150 mA).
Can I connect it directly to a 5 V supply or to a microcontroller?
Do not connect it directly to 5 V. Its nominal voltage is 3.7 V and it must stay between about 3.0 V and 4.2 V. Use a regulator or boost converter, and a protected charging circuit, when powering a 3.3 V or 5 V board.
