30mAh 3.7V Rechargeable Li-Polymer Battery – For TWS, Bluetooth Headsets, Smart Watches & More (1cm x 1cm, No BMS)

Specification:Capacity: 30mAhVoltage: 3.7VBattery Type: Lithium Polymer (Li-Po)Protection: No built-in BMSDimensions: Approx. 1cm x 1cmCharging Voltage: Max 4.2VWeight: <1gColor: Silver pouch (standard)Lead Wires: 2-pin standard connectorHigh energy density & lightweightDescription:This ultra-compact 30mAh 3.7V rechargeable Li-Polymer battery is designed for micro-electronic devices such as Bluetooth earphones, smart rings, and small wearable tech. Its tiny 1cm x 1cm size makes it ideal for space-constrained applications, and it delivers consistent performance in low-power environments. Although it does not include a built-in BMS, it is suitable for use with systems that have integrated protection. Great for TWS earbuds repairs, custom electronics, and wearable innovations.Applications:Power supply for ultra-mini TWS Bluetooth earbudsSmartwatch or smart ring internal batteryDIY ultra-compact wearable techMiniature sensors or electronic gadgetsReplacement battery for Bluetooth accessories

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Specification:

1. Capacity: 30mAh
2. Voltage: 3.7V
3. Battery Type: Lithium Polymer (Li-Po)
4. Protection: No built-in BMS
5. Dimensions: Approx. 1cm x 1cm
6. Charging Voltage: Max 4.2V
7. Weight: <1g
8. Color: Silver pouch (standard)
9. Lead Wires: 2-pin standard connector
10. High energy density & lightweight

Description:

This ultra-compact 30mAh 3.7V rechargeable Li-Polymer battery is designed for micro-electronic devices such as Bluetooth earphones, smart rings, and small wearable tech. Its tiny 1cm x 1cm size makes it ideal for space-constrained applications, and it delivers consistent performance in low-power environments. Although it does not include a built-in BMS, it is suitable for use with systems that have integrated protection. Great for TWS earbuds repairs, custom electronics, and wearable innovations.

Applications:

1. Power supply for ultra-mini TWS Bluetooth earbuds
2. Smartwatch or smart ring internal battery
3. DIY ultra-compact wearable tech
4. Miniature sensors or electronic gadgets
5. Replacement battery for Bluetooth accessories

30mAh 3.7V Rechargeable Li-Polymer Battery – For TWS, Bluetooth Headsets, Smart Watches & More (1cm X 1cm, No BMS)

36 BDT50 BDTSave 14 BDT

Total sold : 497

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Specification:

1. Capacity: 30mAh
2. Voltage: 3.7V
3. Battery Type: Lithium Polymer (Li-Po)
4. Protection: No built-in BMS
5. Dimensions: Approx. 1cm x 1cm
6. Charging Voltage: Max 4.2V
7. Weight: <1g
8. Color: Silver pouch (standard)
9. Lead Wires: 2-pin standard connector
10. High energy density & lightweight

Description:

This ultra-compact 30mAh 3.7V rechargeable Li-Polymer battery is designed for micro-electronic devices such as Bluetooth earphones, smart rings, and small wearable tech. Its tiny 1cm x 1cm size makes it ideal for space-constrained applications, and it delivers consistent performance in low-power environments. Although it does not include a built-in BMS, it is suitable for use with systems that have integrated protection. Great for TWS earbuds repairs, custom electronics, and wearable innovations.

Applications:

1. Power supply for ultra-mini TWS Bluetooth earbuds
2. Smartwatch or smart ring internal battery
3. DIY ultra-compact wearable tech
4. Miniature sensors or electronic gadgets
5. Replacement battery for Bluetooth accessories