Yes, the Deeper Quest bait boat batteries can be charged using any power bank, irrespective of its output power. It is advisable to use a high-capacity power bank or portable power station since each Quest battery has a capacity of 6.7Ah, equivalent to 96.48 Wh. To charge the Deeper Quest bait boat batteries with a power bank, it is essential to consider the power bank's capacity and the minimum recommended supported charging current, which is 20000 mAh at USB 5V, 2A.
Additionally, it's worth noting that the remote control for the Deeper Quest can be charged in multiple ways. You have the option to charge it directly from the Quest using the USB connection, or you can use a power bank, or any standard charger for added convenience.