Budget · Power bank

Varta Energy 20000

≈ €30

On 8 of 12 official emergency lists: EU, NL, FR, DK, FI, CZ, FEMA, SEEUNLFRDKFICZUKFEMAARCSENODE8/12

Buy at Amazon

20,000 mAh with USB-C: several full phone charges. Varta has made batteries since 1887.

Key specs

20,000 mAh, USB-C.

Power

USB-C

Why we picked it

Long-established battery brand, simple and cheap.

Trade-offs

Slower charging than premium models.

Brand

Germany (Varta, 1887)

Where to buy

Amazon

Part of L1: 72-hour emergency kit.

Some links are affiliate links. No sponsored placements. Prices are approximate. Reviewed 19 October 2026.