| Clue | Source | Date |
|---|---|---|
| Able to turn litmus paper blue (8) | ||
| Having a pH over 7 | Premier Sunday | 04 Feb 2024 |
| Base | Thomas Joseph | 04 Dec 2019 |
| Battery category | Newsday | 03 Nov 2019 |
| Like lime perhaps from prickly plant in winding lane | ||
| With pH over 7? | The Telegraph Quick | 17 Jul 2018 |
| Battery descriptor | Newsday | 12 Nov 2017 |
| Battery type | Wall Street Journal | 25 Apr 2017 |
| High-pH | New York Times | 30 Mar 2017 |
| High-pH | ||
| Having a pH above 7 | The Times Concise | 21 Sep 2016 |
| Like some batteries | ||
| Tiger in the Hall-of-Fame | ||
| Ten-time AL Gold Glove winner for the Tigers | ||
| Like some batteries | ||
| Like some batteries | ||
| Having a high pH | ||
| 1955 A.L. batting champ | ||
| Battery type | ||
| Youngest batting champion in MLB history | ||
| Basic | ||
| Type of battery | ||
| 1980 Hall of Famer | ||
| 10-time A.L. Gold Glove winner | ||
| Type of battery | ||
| Battery type | ||
| Detroit Tiger star. | ||
| Detroit slugger |