When plugged and connected to battery it says error There is a tiny bit of ink inside the lcd screen Selling as faulty No returns No negative feedback
eBay
Soshine LiFePO4 RCR123 550mAh Battery and Smart LiFePO4 Charger 3.2V 550mAh 16340 Rechargeable Battery 2000 Time Discharge Cycle
Aliexpress UK
Compatible Model: For R02 R03 R06 R11M R8 H01 R02 SR05, and smart rings with magnetic charging port. Compact and Portable: This smart ring charging case has a compact size and lightweight design, allowing you to easily put it in your bag or pocket, occupying very little space and making it convenient for outdoor travel.
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Li-ion/IMR/INR/ICR 3.6V/3.7V LCD Display Smart Battery Charger USB For 26650 18350 21700 18500 Rechargeable Lithium Battery
Aliexpress UK
• Manufacturer Part Number: RSC806. • MPN: RSC806. Need Help?. The manufacturers' report will be final and we shall have no further liability to you.
eBay
Smart 3S 10A Lithium Battery Charger Board for 3x 18650 Cells BMS Module 10.8V-12.6V with Balancing & Protection
Aliexpress UK
Wear it freely while showering, swimming or washing your hands. Item Type: Smart Ring. 1 x Charging Case. Remote Care: Add your parents or loved ones to your friends list and keep an eye on their daily activity data.
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21700 3.7V 4000mAh Rechargeable Li-Ion Battery with Smart Charger Flashlight High Power Electrical Tools Battery Pack
Aliexpress UK
eBay
Original Factory Battery FOR Ronin-M Smart Battery (1580mAh) MX Battery and Charger
Aliexpress UK
4A Smart battery charger & maintainer unpacked used few times with very good outcome. Please see details on photos.
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ToolkitRC M6D 500W Limited Edition High Power DC Dual Smart Charger Discharger 15A for 1-6S Lipo LiHV Lion NiMh Pb Batteries
Aliexpress UK
Note: other accessories are NOT include. Size 6-7# universal (circumference 16.5MM-17.4MM). Size 8-9# universal (circumference 18.2MM-19MM). Size 10-11#Universal (Circumference 19.9MM-20.7MM). Size 12-13#Universal (Circumference 21.5MM-22.3MM).
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Rechargeable Battery High Performance1.5V AA9800Mah+AAA 8800Mah smart Charger for Computer Clock RadioVideo Game Electronic toys
Aliexpress UK
IP68 Water Resistant: Wear this watch during daily activities including showering, swimming, or other water related events without worry. Continuously check body status during activities. Water ResistantLevel: IP68.
eBay
BEC 5V 3A only 1S Lipo Input 3.7V Step Up Module Booster Power Regulator Stable Converter For RC Model DIY Smartphone Charger
Aliexpress UK