【2026年版】不踩坑的USB充电器选购指南｜输出・规格・接口・安全性深度解析

.pw-protocol-container p, .pw-protocol-container br { display: none !important; margin: 0 !important; padding: 0 !important; } .pw-protocol-container { all: initial !important; display: block !important; box-sizing: border-box !important; font-family: “Helvetica Neue”, Arial, “Hiragino Kaku Gothic ProN”, “Hiragino Sans”, sans-serif !important; background-color: #0f172a !important; padding: 24px !important; border-radius: 24px !important; max-width: 600px !important; margin: 2em auto !important; color: #e2e8f0 !important; box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.4) !important; position: relative !important; overflow: hidden !important; } .pw-intro-box { text-align: center !important; margin-bottom: 24px !important; position: relative !important; z-index: 10 !important; } .pw-intro-badge { display: inline-block !important; background-color: rgba(59, 130, 246, 0.15) !important; color: #60a5fa !important; padding: 4px 12px !important; border-radius: 999px !important; font-size: 10px !important; font-weight: 800 !important; letter-spacing: 0.1em !important; text-transform: uppercase !important; margin-bottom: 8px !important; } .pw-intro-title { display: block !important; font-size: 22px !important; font-weight: 900 !important; color: #ffffff !important; letter-spacing: -0.01em !important; } .pw-device-grid { display: grid !important; grid-template-columns: repeat(3, 1fr) !important; gap: 12px !important; margin-bottom: 24px !important; position: relative !important; z-index: 10 !important; } .pw-device-btn { background-color: rgba(30, 41, 59, 0.5) !important; border: 1px solid #334155 !important; border-radius: 20px !important; padding: 16px 8px !important; cursor: pointer !important; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important; display: flex !important; flex-direction: column !important; align-items: center !important; gap: 8px !important; } .pw-device-btn:hover { border-color: #3b82f6 !important; background-color: #1e293b !important; } .pw-device-btn.is-active { background-color: rgba(30, 41, 59, 0.8) !important; border-color: #3b82f6 !important; box-shadow: 0 0 15px rgba(59, 130, 246, 0.4) !important; transform: translateY(-4px) !important; } .pw-device-icon { width: 28px !important; height: 28px !important; color: #64748b !important; transition: color 0.3s !important; } .pw-device-btn.is-active .pw-device-icon { color: #3b82f6 !important; } .pw-device-label { font-size: 9px !important; font-weight: 800 !important; color: #94a3b8 !important; text-transform: uppercase !important; letter-spacing: 0.05em !important; } .pw-visual-well { background-color: rgba(2, 6, 23, 0.6) !important; border-radius: 24px !important; padding: 32px 20px !important; border: 1px solid #1e293b !important; min-height: 280px !important; display: flex !important; flex-direction: column !important; align-items: center !important; justify-content: center !important; position: relative !important; z-index: 10 !important; } .pw-placeholder { text-align: center !important; color: #475569 !important; font-size: 13px !important; font-weight: 700 !important; } .pw-content-box { display: none; width: 100% !important; } .pw-watt-display { text-align: center !important; margin-bottom: 24px !important; } .pw-watt-val { font-size: 72px !important; font-weight: 900 !important; color: #ffffff !important; letter-spacing: -0.05em !important; line-height: 1 !important; font-style: italic !important; } .pw-watt-unit { font-size: 24px !important; font-style: normal !important; margin-left: 4px !important; } .pw-watt-sub { display: block !important; font-size: 9px !important; font-weight: 800 !important; color: #3b82f6 !important; text-transform: uppercase !important; letter-spacing: 0.3em !important; margin-top: 8px !important; } .pw-flow-track { width: 100% !important; max-width: 300px !important; height: 4px !important; background-color: #1e293b !important; border-radius: 99px !important; margin-bottom: 24px !important; position: relative !important; overflow: hidden !important; } .pw-flow-line { position: absolute !important; top: 0 !important; left: 0 !important; height: 100% !important; width: 100% !important; background: linear-gradient(90deg, transparent, #3b82f6, #60a5fa, transparent) !important; background-size: 200% 100% !important; animation: pwFlowAnim 1.5s linear infinite !important; opacity: 0; } @keyframes pwFlowAnim { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } } .pw-spec-grid { display: grid !important; grid-template-columns: 1fr !important; gap: 12px !important; width: 100% !important; } @media (min-width: 480px) { .pw-spec-grid { grid-template-columns: 1fr 1fr !important; } } .pw-spec-card { background-color: rgba(30, 41, 59, 0.4) !important; border: 1px solid #334155 !important; padding: 16px !important; border-radius: 16px !important; } .pw-spec-label { display: block !important; font-size: 9px !important; font-weight: 800 !important; color: #64748b !important; text-transform: uppercase !important; margin-bottom: 8px !important; } .pw-tag-container { display: flex !important; flex-wrap: wrap !important; gap: 6px !important; } .pw-spec-tag { background-color: #0f172a !important; border: 1px solid #334155 !important; color: #94a3b8 !important; font-size: 10px !important; font-weight: 700 !important; padding: 2px 8px !important; border-radius: 4px !important; } .pw-spec-desc { font-size: 11px !important; color: #94a3b8 !important; line-height: 1.5 !important; font-weight: 700 !important; display: block !important; } .pw-bg-grid { position: absolute !important; inset: 0 !important; opacity: 0.05 !important; background-image: radial-gradient(#3b82f6 1px, transparent 1px) !important; background-size: 30px 30px !important; pointer-events: none !important; } @keyframes pwFadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } } .pw-animate { animation: pwFadeIn 0.4s ease-out forwards !important; } (function() { var chargeSpecs = { phone: { range: ’18-35′, standards: [‘PD 3.0’, ‘QC 4.0+’, ‘PPS’], desc: ’20W左右是目前的主流，但为了能以最快速度为最新的 iPhone 或高端 Android 机型充电，建议选择 30W 以上的输出。’, color: ‘#3b82f6′ }, tablet: { range: ’30-45’, standards: [‘USB PD’, ‘PPS’, ‘QC’], desc: ‘如果想在边使用 iPad Pro 等大型平板电脑时边进行快速充电，45W 级别且功率充足的充电器会更令人安心。’, color: ‘#06b6d4′ }, laptop: { range: ’45-100’, standards: [‘USB PD 3.1’, ‘EPR’, ‘PPS’], desc: ‘MacBook Air 至少需要 30W 以上，而 Pro 机型或高性能 Windows 电脑则通常需要 65W 至 100W 的输出。’, color: ‘#6366f1’ } }; window.pwProtocolAction = function(id) { var d = chargeSpecs[id]; if (!d) return; var ids = [‘phone’, ‘tablet’, ‘laptop’]; for (var i = 0; i < ids.length; i++) { var btn = document.getElementById('pw-btn-' + ids[i]); if (btn) { if (ids[i] === id) btn.classList.add('is-active'); else btn.classList.remove('is-active'); } } var content = document.getElementById('pw-js-content'); var placeholder = document.getElementById('pw-js-placeholder'); var wattEl = document.getElementById('pw-js-watt-val'); var descEl = document.getElementById('pw-js-desc-text'); var flowLine = document.getElementById('pw-js-flow-line'); wattEl.textContent = d.range; wattEl.style.color = d.color; descEl.textContent = d.desc; flowLine.style.opacity = '1'; flowLine.style.filter = 'drop-shadow(0 0 8px ' + d.color + ')'; var tagBox = document.getElementById('pw-js-standards-box'); tagBox.textContent = ''; for (var j = 0; j < d.standards.length; j++) { var tag = document.createElement('span'); tag.className = 'pw-spec-tag'; tag.textContent = d.standards[j]; tagBox.appendChild(tag); } placeholder.style.display = 'none'; content.style.display = 'block'; content.classList.remove('pw-animate'); void content.offsetWidth; content.classList.add('pw-animate'); }; setTimeout(function() { }, 150); })();