Ellis Gibson (B.Sc. in Mechanical Engineering)

An alternator does not charge a battery at a constant voltage. It starts with a high charging rate around 50 amps. This rate drops to about 5-10 amps and later to below 1 amp as the battery charges. The voltage stays relatively stable during this process, providing clarity on how the alternator operates with the … Read more

AGM batteries typically last 4 to 7 years. In contrast, marine batteries last about 2 to 4 years. Lithium batteries can last 10 to 20 years. AGM batteries have a longer lifespan than standard marine batteries, but lithium batteries provide the best longevity and cycle count among all battery types. In contrast, marine batteries are … Read more

No, alkaline batteries do not have a lead core. They mainly include zinc and manganese dioxide. Unlike lead-acid batteries, which contain lead, alkaline batteries use materials such as zinc, manganese, and steel. These components make alkaline batteries safe for use and disposal, and they also offer good recyclability. Importantly, an alkaline battery does not have … Read more

AGM batteries should not be in an enclosure. They release gases that can become explosive. Allowing these gases to escape into open air helps increase longevity and ensures safe operation. This practice prevents pressure buildup during charging and discharging, reducing the risk of dangerous concentrations. While AGM batteries are sealed and less likely to leak, … Read more

An AGM (absorbed glass mat) battery does not have liquid electrolyte in free form. It uses a glass mat separator to hold the electrolyte in a suspended state. This design prevents leakage and improves performance. AGM batteries are safe and reliable for many applications. AGM batteries offer several advantages over traditional batteries. They provide higher … Read more

AGM batteries handle deep discharges better than flooded cell starter batteries, but full discharge can still cause damage. Many smart battery chargers may not start charging dead AGM batteries, as they could view them as faulty. Proper care improves battery health and longevity. Another myth surrounds recovery. If an AGM battery is fully discharged, many … Read more

AGM batteries can be damaged if their charge drops to 0 volts. It’s best to keep the battery at a recommended charge level of 50%. While a normal AGM charger can restore power from 0 volts, it may cause significant capacity reduction. To ensure longevity, always avoid deep discharging. Another myth states that AGM batteries … Read more

The A76 battery works in Mamiya cameras, such as the Mamiya 6 and 6 MF. While these cameras perform best with silver oxide batteries (SR44/357), the A76 alkaline battery is also compatible. Ensure it fits properly in the battery compartment to maintain functionality during use. Several Mamiya cameras accept A76 batteries. Models such as the … Read more

An active stylus pen drains a laptop battery only during use. Most stylus pens have power-saving features that deactivate them after a period of inactivity. Also, improper storage may cause battery drain. Store the pen correctly to avoid accidental activation and maximize usage duration. To improve battery life while using an active pen, consider the … Read more

Connecting battery packs in series increases voltage but does not increase amp-hour capacity. All batteries in series share the same amp-hour rating. In contrast, connecting batteries in parallel increases overall amp-hour capacity and total current while reducing resistance. The key concept here is that voltage adds up, but amp-hours do not. Amp-hour capacity represents how … Read more