{"niche":"不同便携式空气压缩机泵之间有哪些区别性特征？","description":"What are the features that differentiate between various portable air compressor pumps?","products":[{"brand":"Wolfbox","model":"Megavolt 24 Air (Megaflow 24) Inflator and Jump Starter","price_gbp":179.06,"origin_country":null,"specs":{"weight":"5.3 lb","flow_rate":"45 L/min","portability":"Yes","max_pressure":"160","power_source":"24,000 mAh lithium-ion battery"},"confidence_score":null,"sources":[{"label":"Wolfbox (official)","url":"https://wolfbox.com/products/jump-starter-with-air-compressor-tire-inflator-wolfbox-megavolt-24air","currency":"USD","source_country":"US","price":249.99,"price_gbp":186.52,"scraped_at":"2026-06-14T22:49:19.726204"},{"label":"Popular Science shop listing","url":"https://www.popsci.com/gear/wolfbox-4-in-1-jump-starter-with-air-compressor-review/","currency":"USD","source_country":"US","price":239.99,"price_gbp":179.06,"scraped_at":"2026-06-14T22:49:19.726204"}],"summary":"A 4-in-1 portable jump starter and air compressor with a 24,000 mAh battery, 4000A peak jump-start capability, 65W USB-C power delivery, 400-lumen flashlight, and an inflator rated to 160 PSI at 45 L/min. It's built for vehicle emergency kits and trunk storage, offering IP64 resistance and wide operating temperatures.","ideal_for":"适合用于便携式空气压缩机对比：该设备将高最大压力（160 PSI）与相对较高的进气速率（45 L/min）以及内置电池和快速USB-C充电相结合，能直观展示压力、流量与电源如何区分便携型号。"},{"brand":"VIAIR","model":"EVC31 PRO","price_gbp":51.68,"origin_country":null,"specs":{"weight":"1 lbs / 0.45 kg","flow_rate":"0.88 CFM / 25 LPM","portability":"Yes","max_pressure":"150","power_source":"Lithium-Ion battery (3×2600mAh) and 12V auxiliary port"},"confidence_score":null,"sources":[{"label":"VIAIR (official)","url":"https://viaircorp.com/products/evc31-pro","currency":"USD","source_country":"US","price":69.26,"price_gbp":51.68,"scraped_at":"2026-06-14T22:51:21.456858"},{"label":"Nomadic Supply","url":"https://nomadicsupply.com/viair-evc31-pro-rechargeable-portable-air-compressor/","currency":"USD","source_country":"US","price":110.95,"price_gbp":82.78,"scraped_at":"2026-06-14T22:51:21.456858"},{"label":"Evergreen Offroad","url":"https://evergreenoffroad.com/products/viair-every-vehicle-carry%E2%84%A2-evc31-pro-rechargeable-portable-compressor-evc31-1","currency":"USD","source_country":"US","price":89.95,"price_gbp":67.11,"scraped_at":"2026-06-14T22:51:21.456858"},{"label":"VIAIR (official)","url":"https://viaircorp.com/products/evc31-pro","currency":"USD","source_country":"US","price":69.26,"price_gbp":51.68,"scraped_at":"2026-06-14T22:51:23.681702"},{"label":"Nomadic Supply","url":"https://nomadicsupply.com/viair-evc31-pro-rechargeable-portable-air-compressor/","currency":"USD","source_country":"US","price":110.95,"price_gbp":82.78,"scraped_at":"2026-06-14T22:51:23.681702"},{"label":"Evergreen Offroad","url":"https://evergreenoffroad.com/products/viair-every-vehicle-carry%E2%84%A2-evc31-pro-rechargeable-portable-compressor-evc31-1","currency":"USD","source_country":"US","price":89.95,"price_gbp":67.11,"scraped_at":"2026-06-14T22:51:23.681702"}],"summary":"The VIAIR EVC31 PRO is a compact rechargeable portable tire inflator with a 150 PSI maximum, digital preset control, 30in hose, built-in LED light, and USB-C charging. It runs ~25 minutes per charge from its 3×2600mAh battery and can also draw power from a vehicle 12V accessory port, making it suitable for cars, light trucks, and outdoor use. It includes multiple inflation tips and a carry bag.","ideal_for":"适合用于便携式空气压缩机对比时使用--它结合了高最大压力（150 PSI）、可量化的流量（最高 0.88 CFM / 25 LPM）和双重供电选项（电池 + 12V 辅助），突出压力、流量与便携性之间的权衡。"}]}