Charger, battery and power supply

Chargers, batteries and power supplies are the parts buyers rarely think about until one fails, so the sourcing questions here are about safety and specification rather than looks. The range covers wall chargers and travel adapters, power banks, rechargeable cells and the small switching supplies that ship with a device. What separates one offer from another is output: total wattage, how many ports it delivers, and which fast-charge protocols it really implements, since a charger that claims a protocol without supporting it comes back as returns. Cell grade, stated versus usable capacity and cycle life matter for power banks, along with whether the housing can shed heat. Documentation is the other half of the decision: lithium cells moved by air or sea normally need a UN 38.3 test report, and buyers in regulated markets usually ask which documents we can supply before they ask for a price. Branding usually rides on housing colour, logo printing and retail packaging. We are a multi-category B2B OEM/ODM supplier based in Guangdong, established in 2001, inspecting incoming materials, running in-process checks and pre-shipment AQL inspection, and able to arrange third-party laboratory testing on request. Minimum order quantity is stated per product and varies with capacity, housing and packaging. Send a specification or a sample and we can quote.