Need recommendation for high volume, low pressure air pump

[Haertig]

Does anyone have a recommendation for a battery powered (car cigarette lighter) pump to inflate a fishing boat like this? Max inflation is 2.5 PSI. A pump that runs on a rechargeable battery or even uses a bunch of D-Cell alkalines would be fine too, if it's up to the job to inflate something like this (and ideally deflate it later, after use).

Also, any recommendations for a 30 lb max thrust motor to add to the thing? I wonder if the battery for the motor could also power the air pump and still have enough capacity remaining to drive around the lake (would probably need alligator clips on the pump in that case, not a cigarette lighter plug).

The wife bought the boat below from a friend. Hers is in bright orange rather than green, but it's the same boat.

 

[Caribou]

I got a 12V pump for my inflatable mattress. It came with various fittings for anything from a basketball to about an inch or so in diameter. It has clips and a cigarette lighter plug. I don't remember the brand. Try Kroeger, Wally World, or any of those type stores, probably in sporting goods. I want to say it is Coleman brand but I wouldn't put any money on that guess.