ULTRA Deep Cycle Batteries NZ. The Majority of Ultra Batteries are manufactured in the USA and offer reliable, proven, deep cycle performance. Plate grids range from 2.2mm to 5mm thickness with glass mat separators and hot melt cell group bonding. This robust construction provides excellent cycle life and a high resistance to corrosion when subjected to top-off and float duty charging voltages. For those that know Ultra Batteries, you'll understand the quality.
ULTRA DEEP CYCLE BATTERIES / US BATTERY MANUFACTURING CO
YES -we are that same awesome Battery Shop that used to be on The Esplanade!