My BK 1 is ~3 years old, I'm guessing he's stopped using OTP EPROMs since then and when I got my BK2 and Nomolos a year ago.
Either way, as long as you don't store your carts on your car's dashboard I'd bet the data will out live you.
EPROMS in Battle Kid carts
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infiniteneslives
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Re: EPROMS in Battle Kid carts
If you're gonna play the Game Boy, you gotta learn to play it right. -Kenny Rogers
Re: EPROMS in Battle Kid carts
Flash is actually nice because you can potentially reflash it yourself using hotswapping or something like a CopyNES. There seem to be some pads on the board that enable/disable writing to different banks of the flash, presumably just gating the write signal.
Re: EPROMS in Battle Kid carts
Good news, I have the cart now 
.
The PCB revision is 2011, and clearly says "UNROM" under the RetroZone logo. The board contains an SST FLASH-NOR chip for the PRG
. The strange thing is, there are three tantalum capacitors on the PCB. I have not seen any Battle Kid 1 or 2 carts (or any RetroZone carts, for that matter) online that visibly contain capacitors, so I am assuming Bunnyboy has started adding them only recently.
I have played the cart for multiple two-hour-long sessions and experienced no trouble whatsoever. Overall, I am pleased with the build quality of the cart .
.The PCB revision is 2011, and clearly says "UNROM" under the RetroZone logo. The board contains an SST FLASH-NOR chip for the PRG
. The strange thing is, there are three tantalum capacitors on the PCB. I have not seen any Battle Kid 1 or 2 carts (or any RetroZone carts, for that matter) online that visibly contain capacitors, so I am assuming Bunnyboy has started adding them only recently.I have played the cart for multiple two-hour-long sessions and experienced no trouble whatsoever. Overall, I am pleased with the build quality of the cart
.