220726 3.7V 27mAh Curved Smart Ring Battery Smart Wearable Battery

Brand Name:UNEMETECH
Certification:UN38.3, MSDS, CE, CB, IEC62133, PSE, KC, UL1642...
Model Number:UNM220726
Minimum Order Quantity:500PCS
Delivery Time:3-30 days
Payment Terms:T/T , WorldFirst , Payoneer , PingPong , Paypal , Alipay , Western Union , ...
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Location: Shenzhen China
Address: Room 1003, Zhaofengxiang Building, No. 8, Liye Road, Dongfang Community, Songgang Street, Baoan District, Shenzhen
Supplier`s last login times: within 24 hours
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Product Details


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

Model220726
Product size2.2mm*7.0mm*27.5mm(Thickness*Width*Length)
Nominal Voltage3.7V
Minimum Capacity27mAh
Charging Voltage4.2V
Discharge Cut-off Voltage3.0V
AC Impedance Resistance≤1600mΩ
Standard charge current5.4mA(0.2C)
Max. continuous Charge Current27mA(1C)
Standard discharge current5.4mA(0.2C)
Max.continuous discharge current27mA(1C)
WeightAbout 1.0g
Operating Temperaturecharge: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%

ModelMin Capacity(mAh)Thickness(mm)Width(mm)Length(mm)ColorRemark
150724141.5724Silver/Blackcurvature and thickness are adjustable, custom width and length require new mold
150726161.5726Silver/Black
150728181.5728Silver/Black
150730201.5730Silver/Black
170724181.7724Silver/Black
170726201.7726Silver/Black
170728221.7728Silver/Black
170730241.7730Silver/Black

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China 220726 3.7V 27mAh Curved Smart Ring Battery Smart Wearable Battery supplier

220726 3.7V 27mAh Curved Smart Ring Battery Smart Wearable Battery

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