Large or small power bank?

Which power bank should I choose?

Small power bank (3-6 hours of heat) : 10,000 mAh, 150 grams. Suitable for 3-6 hours of heat, depending on the setting. The most popular power bank!

Large power bank (6-12 hours of heat) : 20,000 mAh, 300 grams. Suitable for 6-12 hours of heat, depending on the setting. This power bank is larger and heavier.

Choose the option that best suits your needs!