有哪些紧凑便携的移动电源可供选择？

Product ⇅ Price ⇅ 容量 (mAh) ⇅ 输出电压 (V) ⇅ 输出电流 (A) ⇅ 输入电压 (V) ⇅ 充电时间 (hours) ⇅ 端口数量 ⇅ 尺寸 (mm) ⇅ 重量 (g) ⇅
INIU INIU 45W Portable Charger 20000mAh
US 		£44.82 ≈ 20000 mAh 5V-20V 最多 3A USB-C PD 最多 27W — 3 — —

High-capacity 20000mAh power bank with up to 45W USB-C PD output, built-in USB-C cable, digital battery display and flashlight. Suited for travellers and users who need multi-device charging and fast USB-C power for laptops, phones and tablets.

Sources:
Newegg
搜索购买:
亚马逊 沃尔玛 易贝 速卖通 京东 淘宝
Nitecore Nitecore NB10000 Gen4 (10000mAh)
US 		£62.73 ≈ 10000mAh 3.9V（39Wh） 5V / 9V / 12V 3A / 2.22A / 1.87A 5V / 9V / 12V 3小时 2分钟 2 4.57 in x 1.84 in x 0.57 in 5 oz

Compact, ultralight 10,000mAh power bank with IPX7 water resistance, dual USB-C ports supporting up to 22.5W, RGB port lighting, and a knock-to-wake feature. Suited for ultralight backpacking, travel, and everyday carry when you need a high-efficiency, pocketable charger.

Sources:
Nitecore Store Nitecore (US) CleverHiker (review shop link)
搜索购买:
亚马逊 沃尔玛 易贝 速卖通 京东 淘宝
Elecom Nestout 15000mAh Outdoor Battery (Nestout 15K)
US 		£52.07 ≈ 15000mAh USB-C：5V/9V，USB-A：5V USB-C：3A/2.22A，USB-A：2.4A 5V/9V 3小时 35分钟 3（1x USB-C，2x USB-A） 5.1 x 3.3 x 1.4 in 12.9 oz

Rugged IP67-rated 15,000mAh outdoor power bank with one USB-C and two USB-A ports, up to 32W combined output and fast USB-C recharging. Suited for campers, hikers, and outdoor users who need durable, multi-device charging and pass-through capability.

Sources:
Nestout (manufacturer store) Newegg Zoro
搜索购买:
亚马逊 沃尔玛 易贝 速卖通 京东 淘宝
Ugreen Ugreen MagFlow 10000mAh Wireless Power Bank
US 		£37.35 ≈ 10000mAh/3.7V/37Wh 5V/9V/12V/15V/20V（USB-C 输出最多 20W） 5V⎓3A/9V⎓2.22A/12V⎓1.5A（USB-C） 5V⎓3A/9V⎓2.22A/12V⎓1.5A（USB-C） 约 3.5 小时（使用 20W PD 充电器） 1（USB-C） 106 x 69 x 19 mm 220 g

Compact 10000mAh magnetic wireless power bank with Qi2 magnetic alignment and up to 15W wireless charging and 20W wired PD charging. Suited for iPhone users who want MagSafe-style wireless top-up plus a single fast USB-C wired port for charging the bank or a second device.

Sources:
UGREEN (US store) UGREEN (global product page) Best Buy
搜索购买:
亚马逊 沃尔玛 易贝 速卖通 京东 淘宝
Anker Anker Nano II 5K (5000mAh)
US 		£14.56 ≈ 5,000mAh 5V / 9V 3A / 2.22A 5V / 9V — 1（USB-C）+ 无线 4.02 x 2.78 x 0.34 in 4.3 oz

Ultra-slim 5,000mAh MagGo power bank with Qi2 15W wireless charging and a USB-C port supporting up to 20W wired input/output. Suits users who want a pocketable MagSafe-compatible backup for iPhone and other Qi2 devices.

Sources:
Anker BestBuy Target
搜索购买:
亚马逊 沃尔玛 易贝 速卖通 京东 淘宝
Goal Zero Goal Zero Flip 24 Power Bank (6000mAh)
US 		£22.38 ≈ 6700mAh 5V 最高 2.1A 5V 4小时 1 输出，1 输入 3.7 x 1.63 x 0.83 in 4.6 oz

Compact pocket-friendly power bank with a built-in flip-out USB plug, 6700mAh capacity, pass-through charging, and quick 4-hour recharge from USB. Suited for hikers and travelers who need a lightweight charger for 1-2 phone recharges.

Sources:
Goal Zero Satellite Phone Store
搜索购买:
亚马逊 沃尔玛 易贝 速卖通 京东 淘宝
Rolling Square Rolling Square TAU 2 Keyring Charger (2000mAh)
US 		£29.81 ≈ 2000 mAh — — — — 3（USB-C，Lightning，Micro USB） 56 x 43 x 19 mm 50 g

Compact 2000 mAh keyring power bank with integrated USB-C, Lightning and Micro USB connectors and a magnetic charging dock for everyday carry and emergency top-ups. Suits users who want a tiny, always-on-keyring charger for quick phone refills and multi-device compatibility.

Sources:
Rolling Square Forbes (shopping link to Rolling Square) Macworld (price listing)
搜索购买:
亚马逊 沃尔玛 易贝 速卖通 京东 淘宝