The most important reason is the conversion rate. This product is designed as protective backup battery case, which can protect your cell phone well. Why exist this difference?. So the 5,000mAh power bank can really be used by us only about 3000-4000mAh.
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IPhone X / XS / XR. (Not compatible with iPhone Pro Max models). ✅ Key Features 1x Slim Battery Charging Case (model-specific). iPhone 12 / 12 Pro. 🛡️Slim Protective Design – Lightweight yet durable material protects your phone from daily wear.
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✿[Compatible Model] - This battery is only compatible with iPhone 7 / 7 Plus / 8 /8 Plus / X /XR/XS /11/12. Charging speed and the power conversion rate increase by 90% with new technology.
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Capacity: 2380/3750/2370/3610/2200/3340/3150/3000/3740/. Dual IC Protection and Over Charging Protection.
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CORE+ Type-C to C Cable 1.5m Silicone Black 3A/60W PD. CORE+ Type-C to C Cable 1.5m Braided Grey 3A/60w PD. CORE+ Type-C to C Cable 1.5m Woven White 3A/60W.
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This case is compatible with Lightning accessories, so you won't need to remove the case to use them. You'll even be able to attach your iPhone to a docking station without removing it from the case.
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Kovol Mini 90000mAh Power Bank 66W Fast Charging Portable Charger External Battey USB Features: 【66W Speedy Charge】 Combined with the most advanced PD 3.0 & QC4+ fast charging technologies, 22.5W portable charger power bank can incredibly fast fuel your new iPhone from 0 to 30% in 30mins, 2X faster than traditional 2.4A chargers. 【Ultra Portable Design】 The capacity of 20,000mAh is stored in an incredibly slim body that is 36% thinner, 15% smaller, 28% lighter than its kinds. You can easily take it anywhere without feeling bulky and heavy. .
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The most important reason is the conversion rate. This product is designed as protective backup battery case, which can protect your cell phone well. Why exist this difference?. So the 5,000mAh power bank can really be used by us only about 3000-4000mAh.
eBay