Haze SLA Batteries - Haze HZS12-2.9, The Haze 12V 2.9AH Sealed Lead Acid Battery (SLA) HSZ12-2.9 (RE) is ideal for float service, uninterruptible power supplies, medical, solar, navigation aids, cellular radio stations and much more.These Sealed Lead Acid Monobloc Batteries are manufactured using only the finest materials and have been superbly designed so they are completely maintenance free, while the sealed construction eliminates the need for watering. Haze 12V 2.9AH SLA Battery HZS12-2.9