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Ultrathin Rechargeable Lithium Polymer Battery LP151020 3.7V 8mAh for Smart Ring

Have you thought about a ring can only be the ring but also be the watch but not wear on the wrist? Here comes Smart Ring, which comes with ultra thin rechargeable lithium polymer battery LP151020 3.7V 8mAh and energy-saving LEDs, and as long as you rotate the ring, the time displays.

As we know, people who wear watches have a strong sense of time. Thus with a Smart Ring, it can also improve your sense of time. Besides, with such clean and distinctive design, it will make you more fashion and when you want to know the time just spin Smart Ring, and people around you can also see the time.

Technical Details
The smaller dimensions of Smart Ring are width 0.551'' (14mm) and thickness 0.118'' to 0.134'' (3 to 3.5mm). The inside diameter is 0.666'' to 0.938'' (16.9mm to 23.8mm). The dimension of rechargeable lithium polymer battery is 1.5mm (0.059'') x 10mm (0.393'') x 20mm (0.787''). The precise dimensions request 3 years of battery replacement service only in the manufacturer. The lighting time is 5s with low battery and 15s after the rotation. It's possible to wear it with lithium polymer battery in showering, bathing, swimming, and fishing. The wireless charger is used for charging with out-put 4.2V and input 110 to 240AC DC USB plug under 2 hours.

Battery Life
The service life of lithium polymer battery is 3 years. If the battery of ring clock doesn't work, you can’t replace it at home. So please send the Smart Ring to the seller, they have stable lithium polymer battery supplier and can replace the battery for you.

The warranty for ring clock is 1 year. During warranty time, you can send back to the dealer if there’s anything wrong with material, design, and artistry, they’ll review Smart Ring and replace for you if necessary. If the ring clock appeals to you, go and have one!

    LiPo Battery Details

Battery Type
Rechargeable Lithium Polymer Battery
Part Number
Voltage @ Capacity
3.7V @ 8mAh
Cut-off Voltage
Thermistor (NTC)
20 x 10 x 1,5mm
Charge Temperature
0°C to +45°C
Discharge Temperature
-20°C to +60°C
Storage Temperature
-20°C to +45°C


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LP193555 210 55 35 1.9 3.7V


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