Don’t let a dead battery slow you down!
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18650 Lithium Battery Charging Module TP4056 5V Input for 4.2V 1A Charger Board 6 Independent Charge Discharge PCB Circuit Board
Aliexpress UK
Built in Connector with Strap on Both Ends, which Locks onto the Dial Interface Precisely and Securely. 1 x Watch Band (Not include the Dial). Due to the difference between different monitors, the picture may not reflect the actual color of the item.
eBay
Lithium Battery Charging Module USB Type-C 2S 3S 4S BMS 4.5V-15V 18W Support QC Fast Charge With Temperature Protection
Aliexpress UK
The working temperature ranges from -10 ° C to 45 ° C.
eBay
5V 2A USB Type-C Battery Charge Discharge Module Charging Protection Board Boost Converter POWER USB 1S 4.2V 3.7V 18650 Lithium
Aliexpress UK
eBay
65W 100W LED Dual USB QC4.0/3.0 PD Fast Charge Type-C USB Mobile Power Bank 18650 Charging Circuit Board 3/4/5S DIY Motherboard
Aliexpress UK
The Fitbit Charge 4 is an advanced fitness and activity tracker designed for both indoor and outdoor use. It features GPS technology for accurate tracking, a heart rate monitor, Bluetooth connectivity, and water resistance. With a battery life of up to 7 days, this sleek black device is perfect for unisex adults who are into gym training, fitness activities, or running. The Charge 4 also includes a pedometer, clock, and a variety of measurement systems in both decimal and imperial units. Made from a combination of stainless steel, aluminium, and plastic, this Fitbit model is a reliable and stylish accessory for tracking your daily activities. Please see the pictures for the condition There cracks and scratches please see the pictures sold as seen.
eBay
Mini 5W 5V 1A Battery Charge Discharge Module TYPEC USB Lithium Batteries 1S 3.7V 4.2V Li-ion BMS charging Buck-Boost conversion
Aliexpress UK
Was my mum's but she lost the charger and stopped using it. Strap is only a few months old as she bought a new one recently. No original box or charger
eBay
DC 12-19V 8-channel 18650 battery capacity tester Automatic charge/discharge module 2.4-inch color screen
Aliexpress UK
Fashionable and fits with different outfits. Band Material: Made of high quality Zinc alloy material with rhinestones ,well polished,rhinestones. 1 Watch Band.
eBay
High-precision 5V2A charge-discharge integrated module Type-C input compatible with 4.2V lithium battery
Aliexpress UK
eBay
SW6106 PD 18W Fast Charge Module 1S BMS 18650 Li-ion Charging discharging Board TYPE-C USB DC 5V TO 3.7V 4.2V Lithium Battery 4A
Aliexpress UK