Ellis Gibson (B.Sc. in Mechanical Engineering)

The 380 Bodyguard typically uses Silver-Oxide batteries rated at 165-170 mAh with a voltage of 1.55 volts. Alkaline batteries can fit but have a lower capacity of about 110 mAh and 1.5 volts. For best performance, choose Silver-Oxide batteries. Installation of the new battery is straightforward. First, ensure the firearm is unloaded. Then, use a … Read more

For a 35 lb thrust trolling motor, choose a 12-volt deep cycle marine battery with at least a 100 amp hour rating. A Group 27 battery is ideal. For occasional use, a 12-volt 35Ah lithium battery can work. However, select a higher capacity for longer outings. Ensure all batteries used are the same type and … Read more

A 350 Chevy needs a battery with 700 CCA (cold cranking amps). For modified engines, use an 800 CCA battery. A 12V battery is ideal. Recommended sizes are Group 24 or Group 78. Choose reliable brands like Duralast or Deka for the best performance and longevity. When selecting a battery, consider factors such as group … Read more

For a Chevrolet 350 engine, a 700 CCA battery is suitable for standard engines, while an 800 CCA battery works best for modified engines. Common battery group sizes are Group 34 or Group 78. Opt for reliable brands like Optima to ensure strong starting power. Always check your manufacturer’s recommendations for your specific engine. Cold … Read more

A 30-watt solar panel works best with two 40 aH batteries. It can fully charge these batteries in about 5 hours of direct sunlight. To control the charging, use a 10-amp charge controller. Remember, charging time may change depending on the amount of sunlight and ambient light available. The common battery sizes for this application … Read more

To power a 30 lb thrust trolling motor, use a 12-volt deep cycle marine battery with a minimum of 50 amp hour (Ah) rating. A Group 27 battery or larger is ideal. This battery type ensures longer usage duration. Brands like Minn Kota are recommended for reliable performance and warranty support. Conversely, lithium-ion batteries are … Read more

To power a 30hp outboard motor, use a 12 Volt lead-acid battery with at least 320 CCA (Cold Cranking Amps) and 400 MCA (Marine Cranking Amps). You can also consider a lithium battery or an AGM Valve-Regulated Battery. Ensure the battery meets minimum requirements and regularly check charge voltage for reliable operation. Two primary types … Read more

To power a 30 lb trolling motor, use a 12V deep cycle battery of at least 30Ah. For longer outings, a 50Ah battery is better. Consider AGM batteries for good performance. Group 27 size or larger batteries work well for extended use. Avoid batteries under 30Ah to ensure you have enough power for your trip. … Read more

To power a 3.5 amp amplifier, select a 12V battery with at least 50 amp-hours. This capacity allows the amplifier to operate without draining the battery too much. For example, if the amplifier uses 50 watts for 12 hours, it needs 600 watt-hours, which equals 50 amp-hours at 12 volts. For example, if you want … Read more

For a 3-inch racing drone, use a 4S battery. A capacity of 750mAh to 850mAh is ideal. A 1300mAh battery is heavier and may reduce responsiveness. Choose a lightweight battery to enhance drone performance. Always consider the battery’s voltage and weight for the best results in your FPV drone. Additionally, the capacity, measured in milliamp-hours … Read more