RAE by Honeywell
RAE Systems Alkaline Battery Pack / 6V 4 x AA (P/N: M01-3054-000) - 1 Pack
The Fiberglass Warehouse Black Gel Coat –Gallon (WAXED) with Catalyst filled the spider cracks on my hull easily.
RAE Systems Alkaline Battery Adapter - 059-3052-000
Omron has been around for decades, which says a lot.