Here are the recommended large capacity piggy banks for you:

Patila stainless steel piggy bank: Adult large capacity piggy bank, children's and boys' piggy bank, gifts are not acceptable, save happiness.

JD Jingzao Black Warrior 15L Large Capacity Wet and Dry Dual Use Money Tank: Fingerprint Unlocking Universal Wheel Sealed Storage Box, which is both a money tank and a storage box, as well as a safe deposit box.

NetEase Strict Selection 7L Large Capacity Cute Money Tank: Thickened and durable, with a neat coin slot design, easy to place coins, printed appearance, beautiful and slip resistant.

KUKZU 15L Large Capacity Deposit Tank: Password fingerprint unlocking universal wheel, storage box safe, child lock protection, multi-color options.

Vindin Children's Savings Bank: 12L large capacity, press coin, digital display of amount, fingerprint recognition for withdrawal.

The above are some recommendations for large capacity piggy banks, which can be chosen according to one's own needs and preferences.