Polymer Li-Ion 3.7V 350mAh Battery 402030 (30x20x4mm)
Prices updated: 14 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
 Most ElectronicsCheapest | Rechargeable 402030 LIPO Battery ( 3.7V 350mAh ) | 64.9 EGP76.52 | View in store |
 Microohm | Polymer Li-Ion Single Cell Battery 3.7V 350mAh 30*20**4mm 402030 | 90 EGP120 | View in store |
Price history
Lowest daily price, last 90 days
Lowest price recorded: 64.9 EGP
About this product
A slim, lightweight single-cell polymer lithium-ion battery rated at 3.7 V nominal and 350 mAh, measuring 30x20x4 mm. It includes built-in protection against overvoltage, overcurrent and undervoltage, making it suited to compact wearables and small portable projects.
Specifications
- Chemistry
- Polymer Li-Ion
- Nominal voltage
- 3.7 V
- Capacity
- 350 mAh
- Dimensions
- 30 x 20 x 4 mm
- Protection
- Over-voltage, over-current, under-voltage
Frequently asked questions
What is the price of Polymer Li-Ion 3.7V 350mAh Battery 402030 (30x20x4mm) in Egypt?
Polymer Li-Ion 3.7V 350mAh Battery 402030 (30x20x4mm) currently costs between 64.9 and 90 EGP across 2 offers in Egypt.
Where can I buy Polymer Li-Ion 3.7V 350mAh Battery 402030 (30x20x4mm) in Egypt?
Polymer Li-Ion 3.7V 350mAh Battery 402030 (30x20x4mm) is available from Most Electronics and Microohm. Compare the offers above to find the best price.
How do I charge it safely?
Use a dedicated single-cell Li-Po or Li-ion charger that stops at 4.2 V. The listing warns against charging with anything else.
Does it need a protection board?
The cell has built-in protection against over-voltage, over-current and under-voltage. Still avoid short-circuiting it and keep the charge and discharge within the cell's rated limits.
