{"product_id":"portable-power-bank-with-high-capacity-20000mah-lithium-ion-battery-general-purpose-power-supply-with-black-rice-design-styling-and-compact-size-at-135x60x20mm-featuring-an-80-conversion-efficiency-for-mobile-device-charging","title":"Portable power bank with high capacity 20000mAh lithium ion battery, general purpose power supply with black rice design styling and compact size at 135x60x20mm featuring an 80% conversion efficiency for mobile device charging","description":"\u003ch1\u003e20000mAh Black Rice Power Bank with Aluminium Shell Construction and 80% Efficiency\u003c\/h1\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Black rice design 20000mAh power bank showing compact rectangular shape and charging port\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US13\/647\/2025-10-04\/original-image\/1621043322144.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThis portable power bank delivers substantial off-grid charging capability through its 20000mAh lithium ion battery, designed for users who need reliable power for mobile devices throughout the day. The general-purpose application ensures it works with smartphones, tablets, and other USB-charged electronics, making it a versatile solution for travel, work, or emergency situations. With dimensions of 135mm by 60mm by 20mm, it maintains a compact form that fits comfortably in bags without adding significant bulk, while the black rice styling offers a distinctive visual design. The 80% conversion rate represents the efficiency of power transfer from the bank's internal cells to your connected device, minimising energy loss during charging cycles.\u003c\/p\u003e\n\u003ch2\u003eFeatures and Construction\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Black rice design 20000mAh power bank showing compact rectangular shape and charging port\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US13\/647\/2025-10-04\/original-image\/1621043322146.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThe power bank combines technical specifications with practical design elements to create a functional charging accessory. Its construction focuses on balancing capacity with portability, using materials that protect the internal components while keeping overall weight manageable for regular carry.\u003c\/p\u003e\n\u003ch3\u003eMaterial and Build\u003c\/h3\u003e\n\u003cp\u003eAt the core of this power bank is a liquid lithium ion battery of the 18650 type, a common cylindrical cell format known for reliable energy density. These cells are housed within a cylindrical aluminium shell that provides structural rigidity and helps with heat dissipation during charging and discharging cycles. The external casing is made from plastic, which creates a lightweight protective layer around the aluminium core while allowing for the distinctive black rice design styling that gives the product its visual identity.\u003c\/p\u003e\n\u003ch3\u003eSize and Practical Fit\u003c\/h3\u003e\n\u003cp\u003eWith precise measurements of 135mm in length, 60mm in width, and 20mm in depth, this power bank maintains a slim profile that easily slips into laptop compartments, backpacks, or larger pockets. The rectangular shape with modest thickness makes it stackable with other items in your bag without creating awkward bulk. These dimensions represent a careful balance between housing the substantial 20000mAh battery capacity and maintaining true portability for everyday carry situations.\u003c\/p\u003e\n\u003ch2\u003eUses and Placement\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Black rice design 20000mAh power bank showing compact rectangular shape and charging port\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US13\/647\/2025-10-04\/original-image\/1621043322148.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThis power bank's general-purpose designation means it serves multiple charging scenarios, from individual daily use to group travel situations. Its substantial capacity supports various placement strategies depending on your power needs and mobility requirements throughout the day.\u003c\/p\u003e\n\u003ch3\u003eEvent or Professional Use\u003c\/h3\u003e\n\u003cp\u003eFor professionals attending all-day conferences or events where power outlets are limited, this 20000mAh unit can provide multiple charges for a smartphone or keep a tablet operational through lengthy sessions. The general-purpose compatibility means it works equally well with business laptops requiring USB-C power delivery (check your device specifications) as with presentation remotes or portable speakers. Event organisers might appreciate having several units available for staff or speaker use, ensuring technical equipment remains powered throughout proceedings.\u003c\/p\u003e\n\u003ch3\u003eEveryday Home Use\u003c\/h3\u003e\n\u003cp\u003eAround the home, this power bank serves as a convenient backup during power outages or simply as a bedside charging solution that eliminates the need to reach for wall sockets. Its capacity allows family members to share the unit throughout the day, topping up multiple devices from a single charge cycle. The compact size means it can be stored discreetly in living rooms, kitchens, or home offices, ready for when guests need charging assistance or when you're moving between rooms with devices in use.\u003c\/p\u003e\n\u003ch2\u003eBenefits and Buying Value\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Black rice design 20000mAh power bank showing compact rectangular shape and charging port\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US13\/647\/2025-10-04\/original-image\/1621043322149.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThe value proposition of this power bank centres on its substantial capacity relative to its physical dimensions, along with construction choices that support reliable performance. These elements combine to create a practical charging tool that addresses common power accessibility challenges in various environments.\u003c\/p\u003e\n\u003ch3\u003eReuse and Low Maintenance\u003c\/h3\u003e\n\u003cp\u003eUnlike single-use battery packs, this rechargeable power bank offers hundreds of charge cycles, representing significant reuse value over time. The aluminium shell construction helps protect the internal lithium ion cells from physical damage that might otherwise reduce lifespan, while the plastic exterior resists everyday scuffs and scratches. With minimal maintenance beyond keeping the unit clean and avoiding complete discharge for extended periods, it provides ongoing service without requiring specialised care routines.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose This Product\u003c\/h3\u003e\n\u003cp\u003eThis power bank distinguishes itself through the specific combination of 20000mAh capacity housed within compact 135x60x20mm dimensions, offering more power in less space than many comparable units. The 80% conversion efficiency represents a tangible technical specification that indicates how effectively the stored energy transfers to your devices, while the aluminium shell construction adds durability without excessive weight. For buyers prioritising verified capacity measurements, clear dimensions, and stated efficiency ratings, this product provides these concrete specifications rather than vague performance claims.\u003c\/p\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Black rice design 20000mAh power bank showing compact rectangular shape and charging port\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US13\/647\/2025-10-04\/original-image\/1621043333065.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Black rice design 20000mAh power bank showing compact rectangular shape and charging port\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US13\/647\/2025-10-04\/original-image\/2c411349-40cf-4b6c-8910-aabc1e6c3d36.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"Black rice design 20000mAh power bank showing compact rectangular shape and charging port\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US13\/647\/2025-10-04\/original-image\/3c9f9ff2-2616-4b22-bf27-5e7c9e5dfd52.webp\"\u003e\u003c\/div\u003e","brand":"test33388p8tg9dbk","offers":[{"title":"20000mah","offer_id":58288367239542,"sku":"CJCD112948502BY","price":37.75,"currency_code":"GBP","in_stock":true},{"title":"20000mah set","offer_id":58288367272310,"sku":"CJCD112948503CX","price":50.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/8439\/3078\/files\/1621043322144.webp?v=1784241827","url":"https:\/\/gkxrmc-ey.myshopify.com\/products\/portable-power-bank-with-high-capacity-20000mah-lithium-ion-battery-general-purpose-power-supply-with-black-rice-design-styling-and-compact-size-at-135x60x20mm-featuring-an-80-conversion-efficiency-for-mobile-device-charging","provider":"KuraHub.uk","version":"1.0","type":"link"}