{
  "id": 14202506,
  "title": "Why your power bank charges some devices faster than others",
  "url": "https://urgent.news/2026/10/13/why-your-power-bank-charges-some-devices-faster-than-others",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-10-13T13:00:00.000Z",
  "source": {
    "name": "Gulf News",
    "slug": "gulf-news",
    "url": "https://gulfnews.com/best-buys/BestBuys-lifestyle/why-your-power-bank-charges-some-devices-faster-than-others-1.500708535"
  },
  "original_language": "en",
  "account": "A power bank's capacity and charging speed depend on various factors. A 20,000mAh battery may not double the number of phone charges compared to a 10,000mAh model. Larger batteries store more energy but do not automatically provide faster charging. Electricity storage and transfer involve voltage, capacity, and energy loss. USB-C charging technology determines the rate at which the remaining power can be delivered. Understanding these differences helps in selecting a portable charger suitable for various devices. Milliampere-hours (mAh) measure electrical charge capacity, while watts measure the rate of power delivery. Watt-hours (Wh) measure stored energy, considering both capacity and voltage. USB Power Delivery (PD) allows chargers and devices to negotiate suitable power levels, with connected devices requesting power based on their supported charging specifications. When choosing a power bank, consider maximum USB-C output wattage, supported charging protocols, and individual port ratings rather than relying on advertised combined output. Battery conversion losses mean the advertised mAh figure cannot be directly transferred into your phone. Different power banks offer varying capacities and outputs, impacting charging speeds. For example, UGREEN Nexode with a 20,000mAh battery and 100W output provides flexibility for both phones and laptops, while Anker 25,000mAh 165W Power Bank is designed for multiple devices. INIU Power Bank offers a balance of capacity and output for everyday phone charging, and Belkin BoostCharge is suitable for smartphone charging needs. Matching the power bank to your device's charging requirements is crucial, considering factors like device support, power bank output, and supported protocols.",
  "summary": "A 20,000mAh power bank does not necessarily deliver twice as many phone charges as a 10,000mAh model. Nor does a larger battery guarantee faster charging. The explanation lies in how electricity is stored and transferred. According to Anker's technical guidance, a typical 20,000mAh battery operating at 3.7 volts stores around 74 watt-hours of energy, but some of that energy is lost before it…",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}