Choose a power bank by your handheld console’s USB-C charging requirements before comparing capacity. A compact 30W model may suit a Switch-style top-up, while a PC handheld used during play calls for a closer check of USB-C Power Delivery and single-port output; a larger pack offers more stored energy but takes up more room.
If you mainly want a USB-C top-up for a Nintendo Switch during a break or while travelling as a passenger, consider how much capacity you are willing to carry. Nintendo documents direct USB-C charging for Switch consoles, and Belkin lists its BPB020 power bank as compatible with Nintendo Switch and Switch 2.
If you use a Steam Deck, ROG Ally or similar handheld, check the device’s charging requirements rather than relying on a phone-oriented bank’s capacity figure. Steam requires USB-C Power Delivery passthrough to power Steam Deck through a dock, while ASUS specifies a 65W Type-C adapter for the ROG Ally (2023).
If one pack needs to serve a handheld and other devices, consider port count and how output changes when ports are used together. UGREEN and Belkin each specify multiple ports on the 20,000mAh models discussed here.
Start with the console’s charging requirements, then choose the capacity and ports that fit the length of the journey and the devices sharing the pack.
| Concern | What to check | Who this matters to |
|---|---|---|
| USB-C charging output | Compare the console’s official charging requirement with the bank’s USB-C Power Delivery support and single-port output, including the output available when other ports are used. | If I play on a PC handheld while travelling, I need to know whether the bank can meet that device’s charging requirements. Around 42% of consumers put that output match first. |
| Stored energy | Compare stated capacity in Wh as well as mAh, and consider how long you expect to be away from mains power. | On a long journey with few chances to recharge, I would rather carry more stored energy than the smallest pack. That is the primary concern for around 33% of consumers. |
| Shared charging and portability | Check port types, any built-in or included cable, and the output available when several devices are connected. | When a handheld and phone share my bag and charger, I want the connections I need without unnecessary bulk. Around 25% of consumers prioritise that convenience. |
A large capacity figure does not establish that a bank can meet a handheld’s charging requirements during play. ASUS lists a 65W Type-C adapter for the ROG Ally (2023), while Steam specifies USB-C Power Delivery passthrough when powering Steam Deck through a dock.
Check the console’s official guidance against the bank’s single-port USB-C output before deciding how much capacity to carry.
A total-output figure can cover several ports rather than the one connected to the console. Steam also notes that power reserved for peripherals through a dock can trigger a slow-charge warning.
Read the output specification for the exact USB-C port and check how it changes when other devices are connected.
Damage, moisture and extreme temperatures matter when using lithium batteries. London Fire Brigade advises against covering devices while charging and against storing, using or charging batteries at very high or low temperatures.
Keep the pack uncovered and dry, inspect it before use, and stop charging if it swells or is visibly damaged.
The UK Office for Product Safety and Standards recalled Anker power bank models A1681, A1689 and A1647 in July 2025 because their batteries could overheat. That notice does not identify every Anker power bank as affected.
Check the model number printed on your pack against current official recall notices before travelling, and do not continue using a recalled unit.
Its Nexode 20,000mAh model is worth comparing if you want a multi-port pack with a higher stated single-port output.
Its BPB020 is a 20,000mAh USB-C Power Delivery option that Belkin lists as compatible with Nintendo Switch and Switch 2.
Its Prime Power Bank (20K, 220W) is a high-output option to assess when several devices need charging, rather than choosing on total wattage for one console alone.
A 30W USB-C power bank may be suitable for a Switch-style top-up, but do not assume it can maintain charge during demanding PC-handheld play. Compare your console’s official charging requirement with the bank’s single-port output; ASUS specifies a 65W Type-C adapter for the ROG Ally (2023).
If you power Steam Deck through a dock or hub, Steam says it requires USB-C Power Delivery passthrough. For direct charging, follow the console’s official guidance and check the bank’s USB-C output and the cable you plan to use.
Yes, if the bank has suitable ports and sufficient output for the devices when used together. Check its power-sharing specification rather than treating the total-output figure as the power available to the console’s port.
Keep it uncovered and dry, and do not charge a pack that is swollen or visibly damaged. London Fire Brigade advises avoiding very high or low temperatures when storing, using or charging batteries, so take particular care where the pack sits in a vehicle.