Nintendo Switch 2 mod adds over an hour of playtime with bigger 8,000mAh battery — unofficial replacement battery packs sell for as little as $40 by editors@tomshardware.com (Kunal Khullar) from Latest from Tom's Hardware on 2025-09-12 12:17 (#6ZZXA) Testing shows Cyberpunk 2077 running over an hour longer after the upgrade