

3.7V 3.8V 35mAh Lithium-Polymer Rechargeable Battery for Ear Buds – Single Cell
3.8V 35mAh Lithium Ion Rechargeable Battery for Mini Electronics
The 3.8V 35mAh Lithium Ion Rechargeable Battery is a compact, single-cell power solution designed for ultra-small electronic devices that require stable and reliable voltage. Built using Lithium Polymer (Li-Po) technology, this battery delivers consistent performance, high energy density, and long cycle life.
With an operating temperature range of 0°C to 50°C and up to 500 charge-discharge cycles, it is ideal for sensitive circuits in compact electronics such as wearables, IoT devices, and embedded systems.
Key Features:
-
Nominal voltage of 3.8V for stable power delivery
-
Compact 35mAh capacity suitable for small devices
-
Single-cell lithium polymer (Li-Po) construction
-
Up to 500 charge and discharge cycles
-
Lightweight and space-saving design
-
Provides steady voltage for sensitive electronic circuits
Technical Specifications:
| Parameter | Specification |
|---|---|
| Battery Type | Lithium Ion Polymer (Li-Po) |
| Nominal Voltage | 3.8 V |
| Capacity | 35 mAh |
| Configuration | Single Cell |
| Rechargeable | Yes |
| Operating Temperature | 0°C to 50°C |
| Cycle Life | Up to 500 cycles |
| Application Type | Mini & Low-Power Electronics |
Applications
-
Wearable electronics
-
IoT devices
-
Bluetooth modules
-
Embedded systems
-
Mini sensor nodes
-
Portable electronic gadgets
Precautions
-
Do not overcharge or deep discharge the battery
-
Use a compatible Li-ion charging circuit
-
Avoid exposure to high temperatures or moisture
-
Do not short-circuit the terminals
-
Store in a cool and dry place when not in use
Original: $0.64
-70%$0.64
$0.19Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
3.8V 35mAh Lithium Ion Rechargeable Battery for Mini Electronics
The 3.8V 35mAh Lithium Ion Rechargeable Battery is a compact, single-cell power solution designed for ultra-small electronic devices that require stable and reliable voltage. Built using Lithium Polymer (Li-Po) technology, this battery delivers consistent performance, high energy density, and long cycle life.
With an operating temperature range of 0°C to 50°C and up to 500 charge-discharge cycles, it is ideal for sensitive circuits in compact electronics such as wearables, IoT devices, and embedded systems.
Key Features:
-
Nominal voltage of 3.8V for stable power delivery
-
Compact 35mAh capacity suitable for small devices
-
Single-cell lithium polymer (Li-Po) construction
-
Up to 500 charge and discharge cycles
-
Lightweight and space-saving design
-
Provides steady voltage for sensitive electronic circuits
Technical Specifications:
| Parameter | Specification |
|---|---|
| Battery Type | Lithium Ion Polymer (Li-Po) |
| Nominal Voltage | 3.8 V |
| Capacity | 35 mAh |
| Configuration | Single Cell |
| Rechargeable | Yes |
| Operating Temperature | 0°C to 50°C |
| Cycle Life | Up to 500 cycles |
| Application Type | Mini & Low-Power Electronics |
Applications
-
Wearable electronics
-
IoT devices
-
Bluetooth modules
-
Embedded systems
-
Mini sensor nodes
-
Portable electronic gadgets
Precautions
-
Do not overcharge or deep discharge the battery
-
Use a compatible Li-ion charging circuit
-
Avoid exposure to high temperatures or moisture
-
Do not short-circuit the terminals
-
Store in a cool and dry place when not in use
























