Spectrum/Rayovac 918 Ray O Vac 6V General Purpose Lantern Battery - Quantity 1: Amazon.co.uk
Lantern battery - Wikipedia
Heavy Duty 6V Lantern Battery
Super Heavy Duty 6V Lantern Battery - [HQ-4R25R/B]
Would anything dangerous happen if I were to connect the terminal of a 6V lantern battery and the opposite terminal of another 6V lantern battery? - Quora