list of games with batteries? for all regions.

[/genesis]

what batteries are used and is there a list containing games that have them? can a battery holder fot the cart or specific region carts?
are the case screwed or just clamps on?
i have few high value games like warsong, not sure if i should leave the batteries in, remove or replace them. odds of them leaking is low...
for japanese carts, is there a way to open them without damaging both front and rear labels since the front label goes onto the rear case slightly.

submitted by /u/burningbun
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