{"indrexa_id":"f670000a-9b41-55ed-ab61-77ab32fc75bf","category_id":"power_banks","product_title":"charmast Portable Charger with Built-in Wall Plug and Cables, 20000mAh Power Bank Travel Essentials, 20W Fast Charging Battery Pack Compatible with iPhone 17/16/15/14/13/12/11, Samsung, Android","brand":"charmast","upc":null,"asin":"B0DR8G428S","semantic_description":"The Charmast 20000mAh power bank features built-in USB-C and Micro-USB cables along with a foldable wall plug that supports 100-240V worldwide voltage, eliminating the need for separate cables or adapters. At 77Wh, it is airline carry-on compliant and delivers up to 20W fast charging, capable of providing 3-4 full charges to most smartphones, making it well-suited for travel, camping, and everyday use. Some users have reported concerns about weight making it awkward to use directly in a wall outlet, and durability has been inconsistent across units.","best_for_summary":"Best for travelers and everyday users who want an all-in-one charging solution with built-in cables, a foldable wall plug, and airline-compliant capacity without carrying extra accessories.","not_ideal_for":["Users who need a lightweight or slim form factor","Those requiring reliable long-term durability based on mixed reviews","Users who need to charge laptops or high-wattage devices"],"use_case_tags":["travel","camping","everyday-carry","emergency","iphone"],"buyer_profile_tags":["traveler","casual-user","outdoor-enthusiast"],"manufacturer_description":"3-in-1 Built-in Cables: Built-in USB-C and Micro-USB cables, compatible with iPhone and most devices. No extra cords needed — just plug in and go. Say goodbye to tangled wires and stay charged wherever you areFoldable Wall Plug: Built-in foldable plug works with outlets in the US, Europe and Asia. Folds flat for compact storage. Supports 100-240V worldwide voltage — no extra adapter needed for global travel20000mAh Long-Lasting Power: Delivers up to 3-4 full charges for most smartphones. Perfect for camping, flights and emergencies. Compact enough for backpacks — keeps your devices powered through weekend getaways, festivals and work tripsWide Device Compatibility: Compatible with iPhone, Samsung Galaxy, Google Pixel, tablets, earbuds and most USB-powered devices. One charger covers all your daily gadgets — no need to carry multiple power accessoriesFlight-Ready & Airline Compliant: At just 77Wh, well under the 100Wh airline limit. Designed for carry-on use only — not permitted in checked luggage. Stay powered through flights, layovers and every stop along the wayAccurate Digital Power Display: Clear LED screen shows exact battery percentage from 0 to 100%. No more guessing with vague indicator lights — always know how much power you have leftComplete package: 1 x Power Bank, 1 x User Manual, 1 x Travel Pouch. Backed by 36-month support and technical assistance","feature_bullets":["3-in-1 Built-in Cables: Built-in USB-C and Micro-USB cables, compatible with iPhone and most devices. No extra cords needed — just plug in and go. Say goodbye to tangled wires and stay charged wherever you are","Foldable Wall Plug: Built-in foldable plug works with outlets in the US, Europe and Asia. Folds flat for compact storage. Supports 100-240V worldwide voltage — no extra adapter needed for global travel","20000mAh Long-Lasting Power: Delivers up to 3-4 full charges for most smartphones. Perfect for camping, flights and emergencies. Compact enough for backpacks — keeps your devices powered through weekend getaways, festivals and work trips","Wide Device Compatibility: Compatible with iPhone, Samsung Galaxy, Google Pixel, tablets, earbuds and most USB-powered devices. One charger covers all your daily gadgets — no need to carry multiple power accessories","Flight-Ready & Airline Compliant: At just 77Wh, well under the 100Wh airline limit. Designed for carry-on use only — not permitted in checked luggage. Stay powered through flights, layovers and every stop along the way","Accurate Digital Power Display: Clear LED screen shows exact battery percentage from 0 to 100%. No more guessing with vague indicator lights — always know how much power you have left","Complete package: 1 x Power Bank, 1 x User Manual, 1 x Travel Pouch. Backed by 36-month support and technical assistance"],"spec_table":[{"field":"Connector Type","value":"For iPhone, USB-C, Micro"},{"field":"Brand","value":"charmast"},{"field":"Battery Capacity","value":"20000 Milliamp Hours"},{"field":"Color","value":"black"},{"field":"Special Feature","value":"Auto Shut-Off, Built In Cable, Built In Wall Plug, Digital Display, Fast Charging"}],"bought_in_past_month":"500+","variants":["B0DR8G428S","B0FB9894ZK","B0DWMMT1XL","B0DWMNBJ8M","B0DWMMT1XF","B0DR8QVLX7"],"shipping_amount":"FREE","manufacturer":"Dong guan Utopia-Originality Technology Co., Ltd","climate_pledge_friendly":false,"category_specs":{"capacity_wh":77,"has_magsafe":false,"usb_c_ports":1,"capacity_mah":20000,"has_led_display":false,"has_solar_panel":false,"is_slim_profile":false,"max_output_watts":20,"has_fast_charging":true,"has_built_in_cable":true,"is_airline_approved":true,"has_wireless_charging":false,"has_pass_through_charging":false},"review_intelligence":{"total_reviews":193,"average_rating":4.1,"rating_distribution":{"1_star":"13%","2_star":"5%","3_star":"7%","4_star":"8%","5_star":"67%"},"top_positive_themes":["Quality (10)","Portability (9)","Built-in ports (8)","Charging capability (7)"],"top_negative_themes":["Weight (14)"],"top_mixed_themes":["Charging speed (29)","Reliability (11)","Durability (8)"],"review_summary":"Customers find the power bank excellent for travel and appreciate its built-in cables that reduce the need to carry extra ones. The charging capability is positive, with customers noting it's easy to charge multiple devices, and they like its quality. However, the charging speed receives mixed feedback, with some saying it charges well while others report it takes too long. Moreover, durability is a concern as some units broke within a month, and customers find it heavier than expected. Additionally, reliability is mixed, with some finding it dependable while others report it stopped working after a few uses.","reliability_score":"mixed"},"best_offer":{"retailer":"amazon","retailer_id":"B0DR8G428S","price_usd":45.99,"original_price_usd":null,"affiliate_url":"https://www.indrexa.com/go/charmast-charmast-portable-charger-20000mah-f670000a/amazon","in_stock":true,"shipping":{"free_shipping_available":null,"free_shipping_note":null,"min_order_for_free_shipping":null},"last_updated":"2026-07-18T08:45:55.660074+00:00"},"all_offers":[{"retailer":"amazon","retailer_id":"B0DR8G428S","price_usd":45.99,"original_price_usd":null,"affiliate_url":"https://www.indrexa.com/go/charmast-charmast-portable-charger-20000mah-f670000a/amazon","in_stock":true,"shipping":{"free_shipping_available":null,"free_shipping_note":null,"min_order_for_free_shipping":null},"last_updated":"2026-07-18T08:45:55.660074+00:00"}],"_llm_hints":{"best_offer_logic":"lowest price among in-stock offers","out_of_stock_offers_included":true,"use_affiliate_url":"always use affiliate_url field, never construct retailer URLs manually","shipping_note":"shipping costs are estimates only — final cost depends on user location and membership status","null_fields":"null spec or review fields mean data was unavailable from source — do not infer values","manufacturer_description":"brand's own product description — official copy from Amazon listing","feature_bullets":"array of manufacturer's bullet-point features from Amazon listing","spec_table":"raw structured spec table from Amazon — category-specific technical specs","bought_in_past_month":"Amazon demand signal — number of units sold in past 30 days","variants":"array of ASINs for color/size variants of this product","shipping_amount":"shipping cost signal — FREE indicates free shipping available","climate_pledge_friendly":"Amazon Climate Pledge Friendly badge — sustainability certification","data_freshness":"checked_at timestamp from most recent price record","best_offer_null_means":"all known offers are currently out of stock — check all_offers for availability"},"json_ld":{"@context":"https://schema.org","@type":"Product","name":"charmast Portable Charger with Built-in Wall Plug and Cables, 20000mAh Power Bank Travel Essentials, 20W Fast Charging Battery Pack Compatible with iPhone 17/16/15/14/13/12/11, Samsung, Android","brand":{"@type":"Brand","name":"charmast"},"description":"The Charmast 20000mAh power bank features built-in USB-C and Micro-USB cables along with a foldable wall plug that supports 100-240V worldwide voltage, eliminating the need for separate cables or adapters. At 77Wh, it is airline carry-on compliant and delivers up to 20W fast charging, capable of providing 3-4 full charges to most smartphones, making it well-suited for travel, camping, and everyday use. Some users have reported concerns about weight making it awkward to use directly in a wall outlet, and durability has been inconsistent across units.","sku":"f670000a-9b41-55ed-ab61-77ab32fc75bf","identifier":[{"@type":"PropertyValue","name":"asin","value":"B0DR8G428S"},{"@type":"PropertyValue","name":"indrexa_id","value":"f670000a-9b41-55ed-ab61-77ab32fc75bf"}],"offers":[{"@type":"Offer","url":"https://www.indrexa.com/go/charmast-charmast-portable-charger-20000mah-f670000a/amazon","priceCurrency":"USD","price":45.99,"availability":"https://schema.org/InStock","seller":{"@type":"Organization","name":"Amazon"}}],"additionalProperty":[],"aggregateRating":{"@type":"AggregateRating","ratingValue":4.1,"reviewCount":193}}}