Flooded Lead-Acid Batteries (FLAs) are available in a wide variety of sizes, due to their use in many applications. They are reliable and durable in harsh environments. FLAs do not reconstitute hydrogen and oxygen gases in the water, as in Valve Regulated Lead-Acid Batteries (VRLAs). Thus, they need adequate available space for ventilation and removal of hydrogen gases from the battery area. FLA batteries need more care than VRLA batteries. For example, distilled or deionized water must be replenished systematically to compensate the loss of moisture (hydrogen and oxygen).

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EnerSys Hawker Perfect Plus

Hawker Perfect Plus motive power batteries provide a high level of power and reliability for all industrial truck operations, from simple applications with a low capacity loading up to heavy duty multi-shift work. Hawker Perfect Plus batteries provide higher efficiency in discharge, which is achieved by the use of advanced components in the construction of the positives plates. The sizing of plates has been optimised according to volume available in the cell boxes and the process of filling the positive plates has been improved. All these technical enhancements have enabled an increase in the cell capacities while retaining the same exterior dimensions. All Hawker Perfect Plus cells use the robust tubular vented technology (PzS). The positive electrodes are diecast tubular plates (PzS) and advanced components used in their manufacture provide increased efficiency. The negative plates are flat pasted plates. The separator is of the microporous type. The cell box and lid are made from high impact, temperature resistant polypropylene and are heat-seal welded to prevent electrolyte leakage.
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EnerSys Ironclad

EnerSys has been manufacturing Ironclad batteries for the North American market for over 100 years. They've proven themselves to be reliable, rugged performers in many applications and work environments. They're designed with our proven EnerSys square tube technology to deliver higher sustained operating voltages and rugged reliability for higher productivity and longer life. Thanks to their unique square tubular, positive plate design using Cladex tubing, Ironclad batteries can run with higher specific gravities, which not only increase the power and run time but also lead to a longer service life. In addition, Ironclad batteries have a design life of 1,800 cycles, which equates to an extra year of life in many applications. Ironclad batteries meet the demands of even the toughest, heavy-duty applications.
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EnerSys PowerBloc

Powerbloc and Powerbloc Dry are ranges of bloc batteries for all applications in small traction from cleaning machines to pallet trucks, industrial electric vehicles, aerial platforms, Automated Guided Vehicles, as well as domestic applications like wheelchairs, golf carts. Constructed with the highest quality materials, the blocs can be recharged with HF or 50 HZ chargers.
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EnerSys PowerSafe OPzS

The EnerSys range of PowerSafe OPzS batteries has been designed for use in all standby power applications that demand the highest levels of reliability and security. PowerSafe OPzS cells benefit from an optimised plate design that results in increased capacity compared to the requirements of the internationally recognised DIN standard. In addition, the flooded tubular plate technology offers excellent cycling performance together with a proven long life under float voltage conditions, for a truly flexible solution. The specification of the PowerSafe OPzS cells make it ideal for a wide range of applications such as telecommunications, power generation and distribution, railway, airport and seaport signalling, computing, emergency lighting, automation and measuring systems.
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EnerSys PowerSafe TS

The PowerSafe TS range of single cells offers high performance, long life solutions for renewable energy applications. PowerSafe TS cells are based on proven vented technology and designed for renewable energy applications that require maximum cycle life with the highest level of reliability. They are particularly suitable for use in solar energy installations, ensuring a continuity of electrical supply during the hours of darkness or during periods of reduced sunshine. Reduced maintenance is achieved through the use of additional electrolyte which means cells only have to be topped-up once a year. This helps to keep down maintenance costs and makes them an ideal solution for many remote or unmanned locations. Tubular positive plates are widely used in batteries for particularly demanding applications. In the PowerSafe TS range they have been optimised to give an extended cycle life and increased capacity.
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EnerSys Water Less

Hawker Water Less batteries are at the leading edge of battery technology, bringing added efficiency to your business and a high level of power and reliability. They're designed to provide more flexibility and more time due to longer topping up intervals of 4, 8 or 13 weeks depending on charging technology. This means reduced labour costs for topping up batteries – up to 60 % (with Hawker 50 Hz chargers) and up to 75 % (with Hawker HF smart chargers). All Hawker Water Less cells use proven PzS technology. The positive electrodes are diecast tubular plates (PzS) and advanced components used in their manufacture provide increased efficiency. The negative plates are flat pasted plates. The separator is of the microporous type. Constructional specifications like a larger electrolyte capacity, a reduced prism height and new flip top plugs ensure added value. In addition, a low electrolyte level indicator fitted on the battery informs you when water topping up is needed. Optional equipment: Aquamatic (automatic water filling system), Electrolyte circulation, Easyplus and Wi-IQ. Easyplus and Wi-IQ are electronic devices that communicate with Hawker HF chargers and deliver the information about battery performance and faults.