Best POWERSTAR 12V Batteries in 2022

PowerStar 12V Batteries

Unlike most conventional batteries, PowerStar 12V Batteries do not need maintenance functions such as adjusting the electrolyte specific gravity or adding water. Their absorptive mat separators also make them extremely reliable. They are designed to operate in any position and maintain a consistent performance. Because they are sealed, PowerStar SLA batteries are very durable and can withstand shock and vibration. They can operate in virtually any position, including horizontally.


POWERSTAR 4.5Ah 12V Batteries feature absorbed glass mat technology and industry leading warranties. The batteries' advanced features include low self discharge, low pressure venting, and excellent recovery. The batteries are also UL recognized and DOT 60-classified for easy transport. These sealed lead acid batteries are also easy to install and maintain because they are compatible with existing wire and cables. They provide high performance and long service life.

Unlike conventional lead acid batteries, PowerStar 4.5Ah 12V batteries do not leak. They feature a unique low-pressure venting system that automatically reseals the battery if the pressure inside the compartment is too high. PowerStar batteries have one of the highest recombination efficiency among sealed lead acid batteries. They also have heavy-duty lead calcium-alloy grids for added durability. PowerStar batteries have an exceptional capacity to last up to 10 years in back-up and float applications.

This 12V 5.4Ah Sealed Lead Acid Battery is easy to install. It measures 3.54in in length and 2.76in in width and weighs 3.09lbs. It has a two-year warranty and is perfect for e-bikes, alarm systems, and ups systems. Its advanced Agm technology and Sealed AGM design make it the ideal choice for any application. If you want to replace your old battery, look no further than the POWERSTAR 4.5Ah 12V batteries.


PowerStar batteries are an excellent choice for your automobile, boat, and motorcycle. They are available in a wide variety of sizes, from small to large, and feature advanced sealing technology to prevent spills. The batteries are classified as "Non-Spillable" by the International Air Transport Association. They feature an "Absorbed Glass Mat" between the battery plates and fine mat separators that prevent electrolyte from leaking out.

Unlike traditional AGM or sealed lead acid battery systems, PowerStar 12-volt batteries don't require recharging, maintenance functions, or float-cell checks. Because they use absorptive mat separators to maintain the battery's acid balance, they operate in any position and without overcharging. Their recombination capability is excellent, which helps them retain their charge even after a deep discharge.

Sealed lead acid

If you're thinking of upgrading to a more durable Sealed lead acid battery for your car or boat, consider the PowerStar 12V 5.4AH Sealed Lead Acid Battery with T1 Terminals. This durable battery measures 3.54in long, 2.76in wide, and 4.13in deep. It weighs 3.09 pounds, and is designed with absorptive mat separators that eliminate leakage. It also has an extended shelf life thanks to its sealed design.

Sealed lead acid POWERSTAR 12V Batteries feature a patented design that allows them to work even after many years of storage. The chemistry inside these batteries is identical to that of flooded batteries, but the sealed type is much more energy efficient. This type of battery has no recharging requirements, and can be recharged as often as needed without the need for maintenance. However, it does require periodic equalization and specific gravity measurement to maintain optimum performance. In some charging conditions, it can emit hydrogen fumes. Unlike flooded lead acid batteries, sealed lead acid batteries don't require any maintenance or venting.


Rechargeable POWERSTAR 12V batteries are designed to last for several years, and provide a long life of float and cyclic use. This battery also features an ABSORPTION GLASS MATRIX system that prevents leaks and electrolyte escape. Its patented design allows over 90% of gas generated during normal use to be recombined. These batteries are extremely safe to use, and require little maintenance.

Rechargeable batteries are a great investment because they can be reused after being discharged. This feature cuts down on landfill waste and provides a better investment over the life of the battery. They cost more up front, but you only need to purchase one battery and a charger once. However, they are far more environmentally friendly than one-time use batteries. One-time use batteries generate current through chemical reaction, while rechargeable batteries generate energy through a slower anode consumption that allows many more charges.


If you are looking for a replacement for your PowerStar PS33-12D 12V Batteries, you should consider using BatteryGuy's brand of custom battery packs. They're designed for maximum performance and are guaranteed to provide hours of entertainment. The battery is also puncture-resistant and comes packaged in packs of 10.

John Hooton

Embedded system developer with substantial experience designing and implementing embedded systems for several different industries. This included developing the hardware and software for these systems. Interested in developing embedded systems from concept to product. Languages: C, VHDL, C#, C++, Visual BASIC, Assembler Processors: ARM, Atmel Mega, TI-MSP430, PIC-16/18, XA-S3, Silicon Labs, 8051 Operating Systems: Linux, DSP-BIOS, CMX-RTX Hardware Development Tools: Eagle Layout, Aldec Active-HDL, Synplicity Synplify FPGA Synthesis Tool, various schematic capture programs, numerous emulators and oscilloscopes. Software Development Tools: Atmel AVR Studio, IAR, C, CCS, Kiel, TI Code Composer, Arduino, Microsoft, Tasking, Hi-Tech, Archimedes, Franklin, Borland, and others.

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