Exploring the truth about high capacity lithium batteries

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1. What is a high capacity lithium battery

We live in an era where electricity is central to daily life, and running out of power can feel like a significant setback. A high capacity lithium battery can help mitigate these power concerns. But why are these batteries so highly sought after today? Let’s explore the impressive technology behind high capacity lithium batteries and the reasons they stand out:

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Key features

A high capacity lithium battery is packed with advanced features that make it ideal for various electronic devices.

• Energy Storage: High capacity lithium batteries can store considerable amounts of energy, making them among the most energy-dense batteries.
• Long-Lasting: Remarkably durable, these batteries can handle numerous charge/discharge cycles—typically between 2000 and 4000 cycles—while maintaining capacity. With proper care, their lifespan can extend even further.
• Lower self-discharge rate: These batteries excel in retaining charge, even when not in use, with a low self-discharge rate of about 3.5% per month.
• Light in Weight: The high energy density of these batteries contributes to their lightweight design, making them suitable for portable devices.
• Quick Charging: Equipped with intelligent Battery Management Systems (BMS), some high capacity lithium batteries charge very rapidly and can handle large charging currents.
• Safe to Use: Built-in safety features prevent overcharging, overheating, short circuits, and damage, ensuring user safety.
• High-Voltage: With higher cell voltage, high capacity lithium batteries generally deliver higher voltage output than other battery types.
• Compatible: These batteries are versatile, compatible with a broad range of devices, thus widely used across various applications.
• Environment Friendly: Free from harmful minerals like lead and cadmium, lithium-ion batteries are environmentally friendly and recyclable, contributing to their sustainability.

Design purpose

Thanks to their high capacity, intelligence, compatibility, lightweight, and high energy density, high capacity lithium batteries are suitable for numerous devices. Here are five common design purposes:

• Electric Vehicles, E-bikes, and Electric Boats.
• Portable Electric Devices, including laptops, smartphones, cameras, and tablets.
• Medical Equipment like defibrillators, insulin pumps, and portable oxygen tanks.
• Energy storage systems and equipment.
• Aerospace tools such as satellites and spacecraft.

Role of high capacity lithium battery in energy storage

With their low self-discharge rates, lithium batteries retain their charge longer, even when connected devices are not in use.

When integrated with an energy source, a high capacity lithium battery can stabilize frequency and voltage fluctuations. By storing surplus energy from renewable sources like solar panels, these batteries help in times of need, thus saving on electricity costs and making them a preferred choice among users for practical reasons.

2. What cylindrical lithium batteries have the highest capacity

Refer to the table below to find different cylindrical lithium batteries arranged in descending order of capacities, along with their names and uses:

Name

Capacity mAh

Use

32650

5000-6500

UPS batteries, electric toys, windmills.

21700

3000-5000

LED lights, Solar lights, E-bikes.

18650

1500-3500

Laptops, vapes, LED lights, electric cars.

14500

700-1000

Electric toys, digital cameras, home electronics

3. What are the factors that affect the capacity of the battery

The capacity of a battery is essentially the amount of electrical energy it can store. Factors influencing this capacity include:

Size: Bigger batteries can store more energy.

Chemistry: Different battery types have varying energy densities; for example, lithium-ion batteries offer more capacity than lead-acid batteries.

Depth of Discharge (DOD): This refers to the maximum amount of power that can be drawn from the battery while ensuring a normal power supply, usually expressed as a percentage of the total capacity.

Brand new batteries typically have a DOD of 100%, which reduces with use. When it drops to 80%, the battery is considered near the end of its life.

Age: The capacity of a battery decreases with its age.

Charging Patterns: Overcharging or undercharging can reduce battery life and capacity.

Environment: Battery capacity is affected by storage conditions. Extreme temperatures, corrosive environments, and high humidity can all reduce capacity.

Electrodes: The materials used for electrodes significantly impact battery capacity. For example, silicon electrodes can enhance capacity due to silicon's high-capacity properties.

Temperature: Maintaining the recommended temperature range is crucial for optimal battery performance.

4. Is the higher lithium battery capacity, the better

No, it’s not always the case. A higher capacity lithium battery isn’t necessarily the best choice for every application. Each device has specific battery requirements, and the ideal battery will depend on matching those requirements.

5. What are the benefits of using a high-capacity lithium battery

High capacity lithium batteries offer several advantages, making them popular for both home and business applications. Three key benefits include:

High Run Time: They provide extended run times, reducing the need for frequent recharging.

Energy Storing Capacity: These batteries can store excess energy from renewable sources, which can be used during blackouts or power outages.

Reduced Thermal Management Difficulty: Using large-capacity lithium-ion cells in battery packs reduces the number of parallel connections, improves consistency and energy density, and simplifies thermal management.

6. Application scenarios of high capacity lithium battery

High capacity lithium batteries are now integral to many devices and applications, including:

• Electric vehicles, boats, and bicycles
• UPS systems
• Energy Storage Systems
• Medical equipment
• Drones, aircraft, and satellites

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7. What is the difference between a high-capacity lithium battery and a low-capacity lithium battery

The difference between high and low capacity lithium batteries is straightforward:

Property

High Capacity Lithium Battery

Low Capacity Lithium Battery

Capacity

Higher

Lower

Size

Larger

Smaller

Application

Device with high energy demand

Devices with lesser energy demand

Cost

Higher

Lower

8. How to choose high capacity lithium batteries

Careful assessment and calculation are crucial in choosing the right high-capacity lithium battery. Consider the following:

• Calculate the total energy demand of the devices you plan to power.
• Select the appropriate battery chemistry for your requirements.
• Verify the battery’s voltage and ensure it matches your device’s needs.
• Ensure adequate physical space for the battery installation.
• Prioritize quality over price for a better user experience and device performance.

9. FAQs about high capacity lithium batteries

1. Is 80% maximum battery capacity bad?

Ans: Ideally, 80% maximum battery capacity isn’t optimal. If a battery is equivalent to 80% DoD, it’s generally considered scrapped.

2. How do I get my high-capacity lithium battery 100% back?

Ans: It’s impossible to restore a high-capacity lithium battery to its full 100% capacity. However, proper maintenance can extend its lifespan.

3. What is the highest capacity of lithium 18650 battery?

Ans: The highest capacity lithium 18650 battery is 3600 mAh (NCR18650G).

4. Which lithium battery has a higher capacity?

Ans: Square ternary lithium-ion batteries, typically used in electric vehicles, have the highest capacity, reaching up to hundreds of ampere hours.

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Where To Buy Lithium Batteries?

Whether you’re upgrading an existing battery system or starting from scratch, figuring out where to buy lithium batteries can be overwhelming. The decision often depends on your application and which type of lithium batteries you’re buying.

Let’s jump in and take a look at some of the different options available for buying your new lithium batteries!

Before we start, if you are looking to buy Battle Born lithium batteries, visit our online store or call our Reno, Nevada-based sales and customer service team. We can be reached at (855) 292-2831. Our technical sales specialists would be happy to assist you with buying batteries or answer any questions.

Where to Buy Lithium Batteries?

Lithium batteries are becoming the optimal choice for replacing batteries of all sizes. There are lots of different types, sizes, and manufacturers of lithium batteries. Where you buy your lithium batteries will likely depend on the application and type of battery you need. For instance, you can find AA lithium batteries in most brick-and-mortar stores. But 12-volt deep-cycle lithium marine batteries and RV lithium batteries aren’t as commonly found.

Best Stores to Buy Lithium Batteries

Local brick-and-mortar stores are a great option if you’re looking to buy small lithium batteries such as AA batteries or perhaps a replacement battery for a cell phone. You’re likely to find lithium versions of common battery sizes near the checkout in most big box stores. However, you may want to head to an electronics or cell phone store if you’re looking to buy more specialized varieties of lithium batteries.

Occasionally, you’ll find a local battery, boat, or auto/RV shop that will carry 12-volt lithium deep-cycle batteries for more serious off-grid power needs. However, these places may not carry the particular brand you’re looking for. Sometimes it is best to look at online stores, like Inverters R Us and the altE Store, for a particular size and brand of battery. Many lithium batteries are also available on Amazon.

Lithium Battery Installers

Your best option for buying lithium batteries may be to purchase them through a professional battery installer. This is particularly true if you have a large project, such as designing a battery bank for an off-grid home or upgrading the batteries in your RV or boat. One advantage to having your installation team buy the batteries for you is that they will hopefully know exactly what to purchase and can likely even help you design your system.

Additionally, installers can often buy in bulk and get a better price than you can. However, it’s always a good idea to double-check the pricing you get from an installer to make sure they’re passing some of these savings along to you.

Direct from Lithium Battery Manufacturers

Some lithium battery companies might only sell through dealers and original equipment manufacturers (OEMs). However, a few lithium battery manufacturers sell their batteries direct to the public. Being able to buy direct from the manufacturer offers a few advantages.

The battery manufacturer often knows more about their batteries than anyone and can answer any questions you have. They can even help you design the optimal system. Additionally, working directly with the manufacturer means you don’t pay a price markup to a middleman.

Here at Battle Born Batteries, customers can buy lithium batteries in a variety of ways. Directly through us, through professional installers, dealers, or even get their batteries through select OEM partnerships with our Dragonfly Energy-branded batteries.

How Much Do Lithium Batteries Cost?

It’s common for lithium batteries to cost 3-4 times as much as traditional alkaline or lead-acid batteries. 12-volt lithium deep-cycle batteries start around $900 from most manufacturers and go up from there depending on the battery’s capacity. For example, Battle Born’s 100 Ah, 12-volt deep-cycle lithium iron phosphate battery regularly costs $950.

We also offer a 270 Ah 8D version of the same battery that costs $2,800. The price of lithium batteries goes up as the capacity increases.

What Is The Best Lithium Battery To Buy?

We’re probably a little biased here at Battle Born, but we truly believe we offer the best deep-cycle lithium batteries available on the market. From our propriety BMS and high-quality components to our world-class customer service and sales team, every aspect of the Battle Born experience is designed to deliver unrivaled satisfaction.

Assembled in the USA

Battle Born assembles and tests all of our batteries in Reno, Nevada, using the highest quality components available. Our team takes pride in building the best batteries in the world.

Knowledgeable Nevada-Based Customer Service Team

Battle Born has an expert team of customer service and sales specialists based in Nevada that are always ready to help you! Our team can help you answer questions about batteries, design solutions for your application, and help you select the right components for your custom lithium battery system. So reach out and see how we can help you today!

Proprietary BMS System

Battle Born protects all of our lithium batteries with a proprietary internal battery management system (BMS). Battle Born’s BMS manages cell current, cell voltage, cell temperature, charge balancing, and monitors the battery for internal shorts. The BMS ensures that the lithium battery is operating within its safe limits. It also optimizes the life and health of each battery.

Every Battery is Capacity and Load-Tested

Every Battle Born lithium battery is individually load-tested to ensure the BMS is functioning properly and protecting the battery. If the BMS fails, the battery is susceptible to damage if unsafe conditions occur. If you buy lithium batteries without a reliable BMS system in place, you’ll be at risk to cause unnecessary damage to your battery investment or worse.

10-Year Warranty

Battle Born stands behind all of our batteries with a 10-year warranty. This warranty is an 8-year full replacement manufacturer’s defect warranty and 2 years prorated. Additionally, we design all of our batteries to last 3,000 – 5,000 cycles, at which point they’ll still hold 75% to 80% of their energy capacity.