Feel free to add more makes/models using my table format as below...
Genuine
| Model | Battery |
| BlackCat/ Roughhouse | TX4L-BS |
| Rattler 50 | TX4L-BS |
| Buddy50 | TX4L-BS |
| Rattler 110 | TX5L-BS |
| Buddy 125 | TX7A-BS |
| Buddy 125 | TX7A-BS |
| Blur 150 | TX7L-BS |
| Stella | B9-B |
Modern Vespa
| Model | Battery |
| ET2 | TX4L-BS |
| ET4 | B9B/TX12-BS |
| LX50 | B9-B |
| LX150 | TX12-BS |
| LXV150 | TX12-BS |
| Vespa S | TX12-BS |
| GT200 | TX12-BS |
| GTS250 | TX12-BS |
| GTV250 | TX12-BS |
| GTS Super | TX12-BS |
Vintage Vespa
| Model | Battery |
| 60s-70s battery models without turn signals | B39-6 |
| 70s battery models with turn signals (except Rally) | 6N11A-1B |
|
| P200E, P125 without electric start | 12N5.5-3B |
| PX150, PX200 with electric start | B9-B |
| GS150 | Unique, part number 84647 |
Piaggio
Kymco
| Model | Battery |
| Cobra | TX4L-BS |
| People S 50 | TX7A-BS |
| People S 125 | TX7A-BS |
| People S 200 | TX7A-BS |
| People 250 | TX7A-BS |
| People S 250 | TX7A-BS |
TGB
| Model | Battery |
| KeyWest | TX5L-BS |
| LaserR9-150 | 12N9-4B-1 |
Bajaj
| Model | Battery |
| Vintage Chetak (pre-1990) | 6N11A-1B |
| Modern Chetak | B9-B |
| Legend | B9-B |