220726 3.7V 27mAh Curved Battery Smart Ring Battery Curved Lithium Polymer Battery Smart Wearable Battery
Features Overview of Smart Ring Battery
1. Various sizes: size and capacity to choose from, strong applicability
2. Quality assurance: using product a cell, high capacity, low internal resistance
3. Stable performance: Long Cycle Life: continuous charge and discharge 500 times, the battery capacity is not less than 80% of the rated capacity.
4. No memory effect: it can be charged and discharged at any time
5. High Security: Built-in Circuit Protection Board, with short-circuit, overcharge, over-discharge, impact, vibration, acupuncture, high temperature and other states, no fire, no explosion and so on.
Application of Smart Ring Battery
Sports Fitness: sports watches, sports bracelets, accessories, shiny warning helmets, etc. .
Health Care: provide blood pressure, heart rate and other medical signs of detection and treatment, more diverse forms, including arm-style blood pressure monitor, wearing blood oxygen monitor, palm monitor, wearing single-lead ECG, etc. .
Consumer Electronics: Smart Watch, Smart Glasses, WIFI stereo, wearable multi-touch projector, charging boots, fitness clothes, navigation shoes, LED shoes and so on.
![]()
Technical Parameters of Smart Ring Battery
| Model | 220726 |
| Product size | 2.2mm*7.0mm*27.5mm(Thickness*Width*Length) |
| Nominal Voltage | 3.7V |
| Minimum Capacity | 27mAh |
| Charging Voltage | 4.2V |
| Discharge Cut-off Voltage | 3.0V |
| AC Impedance Resistance | ≤1600mΩ |
| Standard charge current | 5.4mA(0.2C) |
| Max. continuous Charge Current | 27mA(1C) |
| Standard discharge current | 5.4mA(0.2C) |
| Max.continuous discharge current | 27mA(1C) |
| Weight | About 1.0g |
| Operating Temperature | charge:0~+45℃/dischage:- 20~+60℃ |
| Storage Temperature |
less than 3 month:- 20~+35℃ Recovery capacity>90% less than 12 months:- 20~+30℃ Recovery capacity>85% |
| Model | Min Capacity(mAh) | Thickness(mm) | Width(mm) | Length(mm) | Color | Remark |
| 150724 | 14 | 1.5 | 7 | 24 | Silver/Black | curvature and thickness are adjustable, custom width and length require new mold |
| 150726 | 16 | 1.5 | 7 | 26 | Silver/Black | |
| 150728 | 18 | 1.5 | 7 | 28 | Silver/Black | |
| 150730 | 20 | 1.5 | 7 | 30 | Silver/Black | |
| 170724 | 18 | 1.7 | 7 | 24 | Silver/Black | |
| 170726 | 20 | 1.7 | 7 | 26 | Silver/Black | |
| 170728 | 22 | 1.7 | 7 | 28 | Silver/Black | |
| 170730 | 24 | 1.7 | 7 | 30 | Silver/Black |
|
***Please contact us to get more detailed information and free samples***
![]()