{"indrexa_id":"626da985-33db-55f7-82e4-45309cf66246","category_id":"power_banks","product_title":"charmast 20000mAh Portable Charger with Built in Cables, 22.5W Travel Power Bank Fast Charging, USB C Cell Phone Battery Pack for iPhone 16/15/14/13/12/11 Series, iPad, Samsung, Android, Tablet","brand":"charmast","upc":null,"asin":"B0CJBQBB7F","semantic_description":"The Charmast 20000mAh power bank is a budget-priced ($39.99) high-capacity portable charger featuring 3-in-1 built-in cables (USB-C, Lightning, and Micro-USB), 22.5W PD fast charging, and 6 output ports for simultaneous device charging. It includes a digital percentage display, measures 6.3 x 2.85 x 0.72 inches, and is airline-approved, making it well-suited for travel, camping, and multi-device users. However, customer reviews reflect mixed feedback on long-term battery reliability and charging speed, so longevity may be a concern for some buyers.","best_for_summary":"Best for budget-conscious travelers and multi-device users who want a high-capacity, airline-approved power bank with built-in cables and fast charging under $40.","not_ideal_for":["Users needing wireless or MagSafe charging","Those requiring long-term reliability for heavy daily use","Laptop users needing high-wattage output"],"use_case_tags":["travel","camping","everyday-carry","emergency","android"],"buyer_profile_tags":["traveler","outdoor-enthusiast","budget-conscious"],"manufacturer_description":"Stay Powered Anywhere: This 20K portable charger delivers 3-4 full phone charges - perfect for camping, flights, or emergencies. Fits easily in backpacks to keep devices alive through weekend trips, festivals, or work travel.3-in-1 Built-in Cables: No more hunting for cables! Power bank Built in USB-C, Lightning and Micro-USB cables - simply plug in to charge instantly. It eliminates cord clutter while keeping all your devices powered anywhere. Never face a dead phone again!Works with Virtually All Your Devices: Charge iPhones (all models), Samsung Galaxy/Pixel phones, iPads, AirPods, Kindles and most tablets with this universal power bank. No more carrying multiple chargers - one solution powers your entire tech life.22.5W PD Fast Charging - 50% in 30 Minutes!: Get a 50% charge faster than you can finish your coffee break. Perfect for emergency power before meetings or when rushing out the door.Exact Battery % - No More Guessing Games: Unlike basic 4-light indicators, the digital display shows precise remaining power (0-100%) - just like your phone's battery icon.Never get stranded with sudden dead power againYour Personal Charging Station - 6 Devices at Once!: 6 Outputs! Power your phone, tablet, earbuds and smartwatch simultaneously - no more choosing which device gets charged first. Perfect for professionals with multiple gadgets.Double the Power, Only 35% Heavier: Battery pack 20,000mAh (2X capacity of standard chargers) in just 6.3 x 2.85 x 0.72 in - only 35% heavier than 10K models but holds twice the energy. Fits anywhere a paperback book would.","feature_bullets":["Stay Powered Anywhere: This 20K portable charger delivers 3-4 full phone charges - perfect for camping, flights, or emergencies. Fits easily in backpacks to keep devices alive through weekend trips, festivals, or work travel.","3-in-1 Built-in Cables: No more hunting for cables! Power bank Built in USB-C, Lightning and Micro-USB cables - simply plug in to charge instantly. It eliminates cord clutter while keeping all your devices powered anywhere. Never face a dead phone again!","Works with Virtually All Your Devices: Charge iPhones (all models), Samsung Galaxy/Pixel phones, iPads, AirPods, Kindles and most tablets with this universal power bank. No more carrying multiple chargers - one solution powers your entire tech life.","22.5W PD Fast Charging - 50% in 30 Minutes!: Get a 50% charge faster than you can finish your coffee break. Perfect for emergency power before meetings or when rushing out the door.","Exact Battery % - No More Guessing Games: Unlike basic 4-light indicators, the digital display shows precise remaining power (0-100%) - just like your phone's battery icon.Never get stranded with sudden dead power again","Your Personal Charging Station - 6 Devices at Once!: 6 Outputs! Power your phone, tablet, earbuds and smartwatch simultaneously - no more choosing which device gets charged first. Perfect for professionals with multiple gadgets.","Double the Power, Only 35% Heavier: Battery pack 20,000mAh (2X capacity of standard chargers) in just 6.3 x 2.85 x 0.72 in - only 35% heavier than 10K models but holds twice the energy. Fits anywhere a paperback book would.","Flight-Friendly Portable Power: This power bank meets all airline safety standards, making it the perfect travel companion. Always pack in your carry-on (never checked bags).","What will you get: 1 x power bank, 1 x use manual, 1 x travel pouch. 24 Month's support and lifetime technical support."],"spec_table":[{"field":"Connector Type","value":"For iPhone, Android, 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, Digital Display, Fast Charging, High Capacity"}],"bought_in_past_month":"3K+","variants":["B0CJBQBB7F","B0CQJY47DL","B0CJBQJZ5F","B0CJBRBTVV","B0CJBQWWBN","B0CQJZY2L6"],"shipping_amount":"FREE","manufacturer":"Dong guan Utopia-Originality Technology Co., Ltd","climate_pledge_friendly":true,"category_specs":{"capacity_wh":74,"has_magsafe":false,"capacity_mah":20000,"has_led_display":true,"has_solar_panel":false,"is_slim_profile":true,"number_of_ports":6,"max_output_watts":22.5,"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":6188,"average_rating":4.5,"rating_distribution":{"1_star":"6%","2_star":"2%","3_star":"3%","4_star":"9%","5_star":"80%"},"top_positive_themes":["Quality (258)","Portability (172)","Built-in cords (155)","Charging capability (129)"],"top_negative_themes":[],"top_mixed_themes":["Charging speed (386)","Reliability (324)","Battery life (210)","Weight (110)"],"review_summary":"Customers appreciate the power bank's built-in cables and its portability, noting it can fit in a pocket for traveling and serves as a lifesaver when traveling internationally. The charging capability is positive, as it can charge multiple devices, and customers find the product's quality excellent. The battery life and reliability receive mixed feedback - while some say it holds charge for a long time and works great, others report it doesn't hold a charge and stops working. The charging speed and weight also get mixed reviews, with some finding it easy to charge and light, while others say it takes a while to charge and is heavy.","reliability_score":"mixed"},"best_offer":{"retailer":"amazon","retailer_id":"B0CJBQBB7F","price_usd":39.99,"original_price_usd":null,"affiliate_url":"https://www.indrexa.com/go/charmast-20000mah-626da985/amazon","in_stock":true,"shipping":{"free_shipping_available":null,"free_shipping_note":null,"min_order_for_free_shipping":null},"last_updated":"2026-06-03T20:04:52.021051+00:00"},"all_offers":[{"retailer":"amazon","retailer_id":"B0CJBQBB7F","price_usd":39.99,"original_price_usd":null,"affiliate_url":"https://www.indrexa.com/go/charmast-20000mah-626da985/amazon","in_stock":true,"shipping":{"free_shipping_available":null,"free_shipping_note":null,"min_order_for_free_shipping":null},"last_updated":"2026-06-03T20:04:52.021051+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 20000mAh Portable Charger with Built in Cables, 22.5W Travel Power Bank Fast Charging, USB C Cell Phone Battery Pack for iPhone 16/15/14/13/12/11 Series, iPad, Samsung, Android, Tablet","brand":{"@type":"Brand","name":"charmast"},"description":"The Charmast 20000mAh power bank is a budget-priced ($39.99) high-capacity portable charger featuring 3-in-1 built-in cables (USB-C, Lightning, and Micro-USB), 22.5W PD fast charging, and 6 output ports for simultaneous device charging. It includes a digital percentage display, measures 6.3 x 2.85 x 0.72 inches, and is airline-approved, making it well-suited for travel, camping, and multi-device users. However, customer reviews reflect mixed feedback on long-term battery reliability and charging speed, so longevity may be a concern for some buyers.","sku":"626da985-33db-55f7-82e4-45309cf66246","identifier":[{"@type":"PropertyValue","name":"asin","value":"B0CJBQBB7F"},{"@type":"PropertyValue","name":"indrexa_id","value":"626da985-33db-55f7-82e4-45309cf66246"}],"offers":[{"@type":"Offer","url":"https://www.indrexa.com/go/charmast-20000mah-626da985/amazon","priceCurrency":"USD","price":39.99,"availability":"https://schema.org/InStock","seller":{"@type":"Organization","name":"Amazon"}}],"additionalProperty":[],"aggregateRating":{"@type":"AggregateRating","ratingValue":4.5,"reviewCount":6188}}}