20 Volt Battery

[Eustacio Gadit]

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The good news is that our brand-new Chevy Bolt EV is back from the service department. The bad news is that after only eight days in our possession it had to be towed from our house to the Chevy dealer because it wouldn't start.

Being a nerd, I'd read the section of the manual for what to do when the fobs won't open the door. So I proceeded to figure out how to take the plastic cover off the door handle without scratching the paint. Fortunately, the mechanical key will pop the handle cover off safely. I did so, entered the car, proceeded to take everything out of the center console that we had just put there, and carefully placed the fob in its designated position.

I should interject here that electric vehicles (EVs) use a 12-volt or starter battery to power all the electronics. Without the 12-volt battery an electric car won't go anywhere. You can't even put the car into neutral without the 12-volt battery powering the car's computer. And the computer controls everything. So, despite what most people think, that big, powerful lithium-ion traction battery can't do anything if the 12-volt lead-acid battery is dead. It's the weak link in all EVs.

Our other car is a Chevy Volt--that's the one with the "V" for victory. Its starter battery is in the rear. To jump-start the Bolt with the Volt I'd have to back the Volt up to the Bolt. You can see how this quickly gets complicated.

Rather than being macho and jump-starting the thing myself, I thought the better part of valor was calling GM's OnStar service and asking for a tow truck to take it to the Chevy dealer. They surely would know how to fix whatever was wrong. . .

I have no complaints about OnStar. They answered the phone, were polite, and arranged for a tow truck. However, the call shows how little EVs have penetrated the automotive world. The OnStar technician started to ask me questions--from a script no doubt--about my problem. He began with, "Did it turn over?

EVs don't "turn over." They don't have an engine. The "starter" battery is called a starter battery because it's used to crank the engine to start a conventional car. In an EV we might better call the 12-volt battery the "accessory" battery, which it is.

Once OnStar was straightened out on the fact that the Bolt is an EV, they promptly scheduled a tow truck--with a "dolly." The car's front wheels were locked in "park." To get the car on the truck they'd need the dolly.

Of course the tow truck arrives without a dolly. The truck did have "skids," but the driver quickly saw they weren't going to work. He then decided to jump-start the car so he could put it in neutral, which he did.

So I described the problem to the service adviser and he informed me the car looked fine. I explained that we'd only had the car eight days and it shouldn't do that. He offered to run diagnostics on the battery and charging system. They did, found nothing, reset the "trouble codes" and called to say it was ready to pick up.

For the next few weeks I'll keep my VOM handy and I'll check the voltage periodically. So far it's holding a charge, and if you keep the VOM on the battery while the car's at rest, you can see the car trickle-charging the battery as voltage slowly climbs from the initial measurement.

Our Bolt had sat on a dealer's lot in the LA area for at least six months. There was only 33 miles on the odometer when we received it. Theoretically, during the first 500 miles the car is driven, the computer's software charges the battery at a higher voltage than normal, so that when the car is delivered to the customer the starter battery is fully charged.

I did notice that when I drove the Bolt back from the dealer at dusk the headlights came on. When they did, the background for the instrument cluster and the big "infotainment" screen switched to black from the default white. I hadn't noticed that before. In fact, I had been thinking about mentioning to my wife Nancy that we needed to find a piece of cardboard to cover up the big screen at night. It was so bright that it made it hard to see through the windshield. Either my memory is faulty (always a possibility) or something happened during the car's visit to the shop.

The message boards for both the Nissan Leaf and the Chevy Bolt have extensive discussion on the 12-volt battery and what happens when the battery fails. The starter or accessory battery is a key component of an EV, and early Leafs had a number of failures of the 12-volt battery. However, we never had a problem in the three years we drove a 2015 Leaf.

The Colorado Springs Fire Department is always asking our community to replace the batteries in their smoke alarms to ensure your are notified in the event of a fire. As you are doing your part to stay fire safe, please be aware of the proper storage and disposal of that 9-volt battery. 9-volt batteries power our smoke alarms, household items and toys. They can be found in most homes. But did you know that these batteries can be a fire hazard if not stored safely or disposed of with care? The CSFD urges everyone to follow a few simple 9-volt safety tips to prevent a fire in your home.

The reason the 9-volt battery can be dangerous is that the positive and negative posts are close together. If a metal object touches the two posts of the battery, it can cause a short circuit making enough heat to start a fire.

It is unsafe to store 9-volt batteries in a drawer near paper clips, coins, pens, or other batteries. Do not store common household items such as steel wool, aluminum foil, and key near 9-volt batteries. If these items touch the two posts, there is a greater risk of a fire starting. Weak batteries may have enough charge to cause a fire. Some fires have started in the trash when 9-volt batteries were thrown away with other metal items.

SLA batteries, including AGM and Gel types, are like the upgraded version of the flooded lead-acid battery. They're sealed, which means no water checks and no spills. AGM batteries, with their fiberglass mats soaked in electrolyte, are especially good for bumpy roads since they can take a shake without a leak. Gel batteries, thickened into a gel form, are the go-to for operating in high temperatures.

Especially in mobile applications like RVs, vans, and boats, where space is at a premium and weight can affect performance, the compact size and lighter weight of LiFePO4 batteries have a clear advantage. Planning your installation space can help determine the best battery size and configuration for your needs.

Choosing a Bioenno Power LiFePO4 battery means investing in efficiency, safety, and peace of mind. Each model is engineered to provide reliable power while simplifying the user experience, from installation to everyday use.

Long-Term Savings: The upfront cost of a LiFePO4 battery might be higher than traditional options, but when considering the longer lifespan, reduced maintenance, and consistent performance, Bioenno Power batteries offer significant savings over time.

Unparalleled Performance: With higher energy density, faster charging times, and a broader operating temperature range, Bioenno Power batteries deliver superior performance that you can rely on, no matter where your adventures take you.

Safety and Peace of Mind: The built-in Battery Management System (BMS) in each Bioenno Power LiFePO4 battery ensures protection against overcharging, deep discharge, and short-circuiting, offering you peace of mind that your power source is safe and reliable.

Eco-Friendly Choice: Bioenno Power is committed to environmental stewardship. Choosing LiFePO4 batteries reduces the disposal of hazardous materials and supports a cleaner, greener planet.

Bioenno Power, based in Santa Ana, California, is your trusted source for cutting-edge power solutions. With a legacy of excellence, we provide innovative, sustainable, and top-tier battery solutions. Explore our products and shape a cleaner future with us. Thank you for choosing Bioenno Power, where power meets precision.

Our Chevy Volt Hybrid Battery is the perfect replacement battery for your vehicle! Our Chevy Volt Battery selection features our lineup of different models for all 3 generations of the Volt production.

Shop Best Hybrid Batteries for other Chevy Hybrid Batteries in addition to the Chevy Volt Hybrid Battery. Our competitive pricing and our installation options make Best Hybrid Batteries the site to find high-quality hybrid batteries. Learn more about us and our services today!

The nine-volt battery, or 9-volt battery, is an electric battery that supplies a nominal voltage of 9 volts. Actual voltage measures 7.2 to 9.6 volts, depending on battery chemistry. Batteries of various sizes and capacities are manufactured; a very common size is known as PP3, introduced for early transistor radios. The PP3 has a rectangular prism shape with rounded edges and two polarized snap connectors on the top. This type is commonly used for many applications including household uses such as smoke and gas detectors, clocks, and toys.[1]

Most PP3-size alkaline batteries are constructed of six individual cylindrical 1.5 V LR61 cells enclosed in a wrapper.[5] These cells are slightly smaller than LR8D425 AAAA cells and can be used in their place for some devices, even though they are 3.5 mm shorter. Carbon-zinc types are made with six flat cells in a stack, enclosed in a moisture-resistant wrapper to prevent drying. Primary lithium types are made with three cells in series.[6]

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