OUT 5V: module 5V output positive pole. Battery and motherboard line can not be too fine, try to be thicker to pass 5A current. Can not be too long, the interface needs to be welded; battery can only be connected in parallel (parallel number is not limited), not in series, series must burn the motherboard!
eBay
Circuit board + outer box, welding-free, directly into the 18650 battery can be used. (18650 battery not included). Battery Model: 18650(Flat head)battery(Not included). 1x Free Welding Power Bank Case.
eBay
16 Slots 18650 Soldering Free Power Bank Kit. 200Pcs Stainless Steel 5 Size Fishing Split Rings Lures Tackle Set With Pliers. Output power up to 22.5W with up to 95% efficiency. 36mm Rubber Fuel Pump Holder Car Diesel Air Parking Heater Pump Mount Bracket.
eBay
Over current protection: 3A. 8S/7S/6S/5S/4S/3S BMS PCB Protection Board For 18650 Li-ion Lithium Battery Cell. 5V 3Pin ARGB RGBW Cable for ASUS RGB 10Hub Splitter Strip Adapter PC Fan Cooler. C-type one-to-two 2-in-1 adapter for steam deck docking transfer data L-type.
eBay
Keep your power source secure and accessible with this rugged 18650 battery holder, designed to carry two standard 18650 batteries with ease. Crafted with a textured outer surface, it ensures a firm grip and adds a stylish yet functional touch to your gear.
eBay
MINI USB female chassis and the + - pads next to the power input, access to 5V. Chip in the work of about 60 degrees heat is normal. After all, the charging current is high. charging connection wire can not be too thin and too long.
eBay
You should receive the item within 2-4 weeks. Therefore, make sure you need it before buying the product.
eBay
18650 cylindrical battery holder, fire retardant pc+pp+gp materials;. Model: 18650. 100pcs x 18650 Battery Holder Brackets. Suitable for all types of battery assembly including do it option.
eBay