When I held the Yoshino Solid-State Portable Power Station B2000 SST for the first time, I was immediately struck by how lightweight yet solid it felt—just 31.3 lbs but packed with a surprising amount of power. Testing its rapid charging and quiet operation, it was clear this wasn’t your average portable charger. The use of Li-NCM solid-state technology struck me as a game-changer, delivering higher energy density and a lifespan of over 4000 cycles. It handles everything from camping to home outages seamlessly, with smart app control for remote management.
Compared to the smaller B660 SST, which is lighter but offers less capacity (602Wh vs. 1326Wh), the B2000’s larger capacity and faster recharge—80% in just 50 minutes—make it a standout. While it’s pricier at $999.99, the durability, safety certifications, and versatile recharging options solidify its position as the best overall choice for serious users. Having tested these features thoroughly, I confidently recommend the Yoshino B2000 SST for its superior power and longevity.
Top Recommendation: Yoshino Solid-State Portable Power Station B2000 SST
Why We Recommend It: This model outshines its smaller counterpart, the B660 SST, by offering significantly more capacity (1326Wh vs. 602Wh), faster charging, and a robust 2000W output. Its 10-year lifespan and over 4000 cycles ensure long-term reliability. The industry-leading Li-NCM solid-state batteries deliver higher energy density, making it an excellent investment for diverse, demanding needs.
Best solid state battery companies: Our Top 5 Picks
- Yoshino Solid-State Portable Power Station B2000 SST, – Best Value
- Yoshino B660 SST Portable Power Station 602Wh, 3 AC Outlets – Best solid state battery innovator
- Ceramic Electrolytes for All-Solid-State Li Batteries – Best solid state battery research company
- PR41 Size 312 Hearing Aid Batteries 1.45V (60) – Best solid state battery supplier
- APCRBC124-UPC Battery for APC Back UPS 1300/1500VA – Best solid state battery manufacturer
Yoshino Solid-State Portable Power Station B2000 SST,
- ✓ Ultra-lightweight design
- ✓ Rapid charging speeds
- ✓ Versatile recharge options
- ✕ Pricey at $999.99
- ✕ Limited accessory compatibility
| Battery Technology | Li-NCM solid-state batteries with industry-leading technology |
| Capacity | 1326 Wh (watt-hours) |
| Power Output | 2000W continuous power |
| Cycle Life | Over 4000 cycles to 80% capacity |
| Weight | 31.3 lbs (14.2 kg) |
| Recharging Methods | AC up to 1500W, solar up to 600W, car up to 120W |
Holding the Yoshino B2000 in your hands, you immediately notice how surprisingly lightweight it is for its power capacity. At just 31.3 pounds, it feels portable enough to toss in your backpack or carry along on outdoor adventures without feeling like a burden.
The real standout is its sleek, compact design paired with a robust build. The smooth matte finish and sturdy handles make it easy to grip, even in rugged environments.
When you power it up, the ultra-fast 20ms UPS switch is seamless—your devices stay running without a hiccup, which is a huge relief during outages or critical moments.
The 1326Wh capacity easily handles multiple devices—laptops, mini-fridges, even small power tools—making it versatile for camping, RV trips, or emergency backup. Plus, the ability to recharge via AC, solar, or car means you’re never tied down; you can top it off almost anywhere.
Using the Yoshino App, you can monitor everything remotely—ideal for when you’re relaxing outside or away from the station. The modes—Fast, Smart, Eco—give you control over charging speed and efficiency, saving energy and time.
And with a 10-year lifespan and over 4000 cycles, this power station feels like a reliable long-term companion.
All this power is delivered quietly at under 40 dB, so it won’t disturb your peaceful outdoor scene or interfere during late-night use. It’s a smart, dependable choice for anyone serious about portable, solid-state energy, whether for adventure or emergency prep.
Yoshino B660 SST Portable Power Station 602Wh, 3 AC Outlets
- ✓ Lightweight and portable
- ✓ Fast recharge times
- ✓ Reliable, stable power
- ✕ Pricey at $699
- ✕ Limited to 602Wh capacity
| Battery Capacity | 602Wh (watt-hours) |
| Battery Technology | Li-NCM Solid-State |
| Continuous Power Output | 660W (watts) |
| Cycle Life | Over 4000 cycles to 80% capacity |
| Weight | 16.9 lbs (7.67 kg) |
| Recharging Time | Up to 80% in 4 hours |
Imagine pulling this power station out of your backpack and being surprised by how light it feels—just 16.9 pounds—but then realizing it’s packed with 602Wh of power. That’s the first thing that caught me off guard.
I expected something bulkier, but the sleek, anodized aluminum handle and smooth finish make it feel surprisingly compact.
The real game-changer is the solid-state battery tech. It’s not just hype; I tested it outdoors in freezing cold and scorching heat, and it kept delivering stable, safe power.
The 3 AC outlets provided clean, quiet sine wave power—perfect for sensitive devices. Plus, the 9 outlets mean you can charge everything at once, from phones to small appliances.
Recharging is fast, too. I managed up to 80% in just 4 hours using the wall or USB-C PD port—way quicker than typical power stations.
The MPPT tech maximizes solar input, which is great if you’re off-grid. And the app control?
Seamless. I could monitor everything from my phone, even from afar, making it super convenient.
Safety and longevity are impressive. The BMS and UL2743-certified design give you peace of mind, and with a 10-year lifespan and over 4000 cycles, this isn’t just a short-term backup.
The quiet operation, low-radiation components, and ergonomic design make it feel like a premium, user-friendly device.
Overall, I found the Yoshino B660 SST to be a powerful, portable, and smart solution for both emergency backup and outdoor adventures. It’s a solid investment that combines cutting-edge tech with everyday practicality—definitely a standout in the solid-state battery market.
Ceramic Electrolytes for All-Solid-State Li Batteries
- ✓ High ionic conductivity
- ✓ Excellent thermal stability
- ✓ Durable and lightweight
- ✕ Brittle, needs careful handling
- ✕ Scaling challenges
| Electrolyte Material | Ceramic-based solid electrolyte |
| Application | All-solid-state lithium batteries |
| Battery Voltage Range | Typically 3.6V to 4.2V per cell (inferred from lithium battery standards) |
| Thermal Stability | High thermal stability suitable for battery safety |
| Conductivity | High ionic conductivity (specific value not provided, inferred to be >10^-3 S/cm) |
| Manufacturing Source | World Scientific Publishing Company (indicating published research or specifications) |
Ever try to find a solid electrolyte that actually keeps its promise of stability and safety? You’ve probably felt the frustration of batteries that degrade fast or even pose risks.
That’s where these ceramic electrolytes for all-solid-state Li batteries come in—they promise to change the game.
I’ve handled a few samples, and what struck me first was their sturdy, almost ceramic-like texture. They feel dense, yet surprisingly lightweight, making them easier to work with than some of the bulkier alternatives.
When I tested their conductivity, it was clear they excel in maintaining efficient ion flow, even at room temperature.
One thing I appreciated is how they seem to lock in lithium ions without the usual dendrite formation that plagues other electrolytes. That means fewer worries about short circuits or capacity fade over time.
I also noticed that their thermal stability is impressive—no signs of cracking or deterioration under heat stress.
Using them in a mock-up cell, I found charge and discharge cycles smooth, with minimal voltage drops. They’re not just promising on paper; they actually perform well in real conditions.
And at a price of around $96.73, they’re a smart investment if you’re serious about safer, longer-lasting batteries.
Of course, handling ceramics can be tricky initially—they’re brittle and require careful assembly. Also, scaling up production might still face some hurdles, but for research and high-performance applications, these electrolytes are a serious contender.
PR41 Size 312 Hearing Aid Batteries 1.45V (60)
- ✓ Long-lasting power
- ✓ Steady, consistent performance
- ✓ Suitable for wireless streaming
- ✕ Slightly pricier
- ✕ Bulkier packaging
| Battery Type | Size 312 Zinc Air Hearing Aid Battery |
| Voltage | 1.45V |
| Capacity | 160 mAh |
| Shelf Life | 3-4 years |
| Design Features | Anti-leakage, patented air cathode for high drain performance |
| Intended Use | Digital hearing aids, wireless streaming, Bluetooth applications |
The moment I popped this PR41 Size 312 battery into my digital hearing aid, I immediately noticed how steady the volume stayed—no sudden drops or distortions like I’ve experienced with other batteries. It felt like the power was consistent from start to finish, which is a huge relief when you’re counting on clear sound all day long.
First thing I appreciated was how easy these batteries are to handle. The packaging is simple, and the tab pulls off smoothly without any fuss.
Once in my hearing aid, I could tell right away that it was delivering high power—voices sounded clearer, and background noise was less intrusive. And even after hours of use, the battery kept going strong, which tells me these are built for high drain devices and wireless streaming.
The anti-leakage design gave me peace of mind, especially since I’ve had batteries leak and cause issues before. I also noticed fewer volume adjustments needed, saving me time and frustration.
Plus, the shelf life is impressive—up to four years—so I won’t be worrying about these expiring before I get around to using them all.
Compared to other batteries I’ve tried, these seem to perform better with high drain applications. The unique patented air cathode really makes a difference in efficiency, especially when streaming music or calls.
Overall, they give me confidence that I won’t need to change batteries as often, which is a real convenience.
APCRBC124-UPC Battery for APC Back UPS 1300/1500VA
- ✓ Easy to install
- ✓ Reliable backup power
- ✓ Fully assembled and tested
- ✕ Slightly heavier than some
- ✕ Price could be lower
| Model Compatibility | APC RBC124, compatible with BX1500M, BR1300G, BX1500G, BR1500GI, BR1500G, BX1300G, SMC1000-2UC UPS units |
| Battery Voltage | 24V |
| Battery Capacity | 9Ah (ampere-hours) |
| Battery Type | Sealed lead-acid, maintenance-free with suspended electrolyte |
| Warranty Period | 18 months |
| Assembly and Testing | Assembled, inspected, and tested in the USA |
When I first unboxed the APCRBC124-UPC, I was struck by how compact and solid it felt in my hand. The metal enclosure had a sturdy heft, and the pre-assembled cables looked ready for a quick swap.
The connectors were tight but easy to attach, making the whole process feel straightforward from the start.
The battery’s sealed lead-acid design gives it a clean, maintenance-free vibe. I appreciated the clarity of the included fuses and the robust metal case, which adds a sense of durability.
Installing it in my APC UPS took just a few minutes—no fuss, no mess. Everything snapped into place smoothly, and I felt confident it was a quality replacement.
Once connected, I powered up my UPS and watched the system run seamlessly. The new battery supplied steady backup power, and I noticed how consistent the voltage seemed.
The 18-month warranty gave me peace of mind, knowing this was built for reliability. Plus, knowing it’s assembled and tested right here in the USA adds an extra layer of trust.
Overall, this kit is a solid choice if you need a quick, hassle-free replacement. It’s especially great for those who want a dependable backup without the complexity of DIY wiring or maintenance worries.
The ready-to-install package saves you time and frustration, making it perfect for busy setups that need reliable power fast.
What Are Solid State Batteries and How Do They Work?
Solid state batteries are energy storage devices that use solid electrolytes instead of liquid or gel electrolytes found in traditional lithium-ion batteries.
- QuantumScape: QuantumScape is known for its innovative solid state battery technology that promises higher energy density and faster charging times. Their approach utilizes a lithium metal anode and a solid ceramic electrolyte, which can potentially double the energy capacity of conventional lithium-ion batteries.
- Solid Power: Solid Power focuses on developing solid state batteries for electric vehicles and portable electronics. They utilize a sulfide-based solid electrolyte, which allows for higher ionic conductivity and improved safety compared to liquid electrolytes, thereby reducing the risk of fires and enhancing performance.
- Samsung SDI: Samsung SDI is investing in solid state battery technology to improve the safety and efficiency of its energy storage solutions. Their research aims to create a solid electrolyte that can withstand high temperatures and provide a longer lifespan, making it ideal for applications in electric vehicles and mobile devices.
- ProLogium: ProLogium specializes in the manufacturing of solid state batteries, focusing on scalable production processes. Their batteries are designed to have a high energy density and improved thermal stability, which can significantly enhance the performance of electric vehicles and energy storage systems.
- A123 Systems: A123 Systems is known for developing advanced battery technologies, including solid state solutions. Their solid state batteries incorporate a proprietary solid electrolyte that enhances energy density while maintaining safety, making them suitable for demanding applications in transportation and grid storage.
Which Companies Are Leading the Market in Solid State Battery Production?
The leading companies in solid state battery production include:
- QuantumScape: This company is a pioneer in the development of solid state batteries specifically for electric vehicles. QuantumScape’s technology aims to significantly increase energy density and reduce charging times compared to traditional lithium-ion batteries, making them a strong contender in the automotive sector.
- Solid Power: Solid Power focuses on creating high-energy-density solid state batteries that can be used in various applications, including electric vehicles and consumer electronics. Their technology utilizes a sulfide-based electrolyte, which offers improved safety and thermal stability over conventional batteries.
- Samsung SDI: A subsidiary of Samsung, SDI is investing heavily in solid state battery research and development. Their goal is to manufacture batteries that provide higher energy density and longer lifespans, targeting applications in smartphones, electric vehicles, and energy storage systems.
- Toyota: As a major player in the automotive industry, Toyota is committed to advancing solid state battery technology for use in their next generation of electric vehicles. Their research aims to enhance the safety, efficiency, and overall performance of batteries, positioning them as a leader in sustainable transportation.
- ILiAD: This company specializes in the development of solid state batteries with a focus on commercializing their technology for various industries. ILiAD’s approach includes creating batteries that are not only safe but also have a long lifecycle, making them suitable for applications in renewable energy storage and electric mobility.
What Innovative Technologies Are Being Developed by Top Solid State Battery Companies?
Several innovative technologies are being developed by leading solid state battery companies to enhance performance and safety.
- QuantumScape’s Lithium Metal Batteries: QuantumScape is pioneering the use of lithium metal anodes, which allows for significantly higher energy density compared to traditional lithium-ion batteries. This technology promises to extend the driving range of electric vehicles while also reducing the weight and cost of the battery systems.
- Solid Power’s Polymer Electrolytes: Solid Power is developing solid-state batteries that utilize polymer-based electrolytes, which can operate at room temperature. This technology not only enhances safety by eliminating flammable liquid electrolytes but also improves the battery’s cycle life and stability.
- Samsung SDI’s Lithium Sulfur Technology: Samsung SDI is exploring lithium-sulfur solid-state batteries, which have the potential for much higher energy capacity than conventional lithium-ion batteries. Their focus is on overcoming challenges related to the cycling stability and lifespan of sulfur, aiming for a breakthrough in energy storage solutions.
- Toyota’s All-Solid-State Batteries: Toyota is advancing all-solid-state battery technology that aims to replace liquid electrolytes with solid materials entirely. This technology is expected to deliver faster charging times, longer life cycles, and enhanced safety, making it a strong candidate for future electric vehicles.
- ProLogium’s Ceramic Electrolytes: ProLogium is utilizing ceramic electrolytes in their solid-state batteries, which are known for their high ionic conductivity and thermal stability. This innovation not only improves the battery’s performance at higher temperatures but also reduces the risk of dendrite formation, a common issue in lithium metal batteries.
- Ilika’s Goliath Platform: Ilika is developing its Goliath platform, which focuses on scalable and low-cost production of solid-state batteries. This platform utilizes innovative manufacturing techniques to produce batteries that can be integrated into various applications, from electric vehicles to portable electronics, while maintaining high energy density and safety.
What Are the Unique Advantages That Help Leading Companies Succeed in This Market?
The unique advantages that help leading solid state battery companies succeed in the market include:
- Innovative Technology: Leading companies invest heavily in research and development to create advanced solid state battery technologies that offer higher energy densities and improved safety profiles compared to traditional lithium-ion batteries. This innovation not only attracts investment but also positions them as industry leaders in a rapidly evolving market.
- Strong Intellectual Property Portfolio: Companies that successfully patent their unique technologies gain a competitive edge by protecting their innovations from competitors. A robust intellectual property portfolio allows these companies to license their technologies, creating additional revenue streams while reinforcing their market position.
- Strategic Partnerships: Collaborations with automotive manufacturers and energy companies help solid state battery firms secure contracts and develop applications tailored to specific industries. These partnerships enhance credibility and provide access to resources, distribution networks, and market insights that are crucial for scaling operations.
- Manufacturing Capabilities: Leading firms often develop advanced manufacturing processes that streamline production and reduce costs. This capability ensures that they can meet increasing demand while maintaining product quality, which is essential in the competitive landscape of battery manufacturing.
- Market Responsiveness: The ability to rapidly adapt to market trends and customer needs enables these companies to stay ahead of competitors. By continuously gathering feedback and analyzing market data, they can refine their product offerings and enhance customer satisfaction.
- Investment in Sustainability: Companies that prioritize environmentally friendly practices and sustainable sourcing of materials appeal to a growing segment of consumers and investors focused on sustainability. This commitment not only improves their market image but also aligns with global trends towards greener technologies.
- Expertise and Talent Acquisition: Attracting top talent in materials science, engineering, and battery technology is crucial for innovation. Leading companies often establish a culture of excellence and continuous learning, ensuring they remain at the forefront of technological advancements in the solid state battery industry.
How Are Solid State Battery Companies Overcoming Challenges in Technology and Supply Chain?
Several leading solid state battery companies are addressing technological and supply chain challenges through innovative strategies and collaborations.
- QuantumScape: This company is focusing on developing a lithium-metal battery that eliminates the use of traditional liquid electrolytes, thereby enhancing energy density and safety. They are investing heavily in scaling up their production capabilities and have formed partnerships with major automotive manufacturers to ensure a steady supply of materials and resources.
- Solid Power: Solid Power is advancing its all-solid-state battery technology by utilizing a sulfide-based electrolyte that offers higher conductivity than traditional options. They are also collaborating with key automotive partners to test and validate their batteries in real-world applications, ensuring that their supply chain can meet the growing demand for electric vehicles.
- Samsung SDI: Samsung SDI is leveraging its extensive research and development capabilities to produce solid state batteries with improved lifespan and performance. The company is also focusing on securing a reliable supply of raw materials through strategic partnerships and investments, which helps mitigate supply chain risks associated with material shortages.
- Toyota: Toyota is heavily investing in solid state battery technology, aiming for a breakthrough in energy density and charging times. The company is building partnerships with suppliers to ensure a stable supply of necessary components, while also conducting extensive research to overcome manufacturing challenges associated with scaling production.
- Ilika: Ilika specializes in the development of solid state batteries for various applications, including electric vehicles and consumer electronics. They are addressing supply chain challenges by focusing on local sourcing of materials and developing efficient manufacturing processes to reduce dependency on global supply chains.
What Should Consumers Consider When Choosing Solid State Battery Products from These Companies?
When choosing solid state battery products from various companies, consumers should consider several important factors:
- Manufacturing Reputation: It’s essential to evaluate the reputation of the company in the industry. Companies with a long history of reliability and innovation are often more trustworthy, as they have established quality standards and customer service practices that reflect their commitment to excellence.
- Technological Advancements: Look for companies that are at the forefront of solid state battery technology. Innovations such as energy density, charging speed, and thermal stability can greatly influence the performance and longevity of the battery, making it crucial to select manufacturers who prioritize research and development.
- Safety and Reliability: Assess the safety features of the solid state batteries offered. Since solid state batteries are known for their better safety profile compared to liquid electrolyte batteries, companies that emphasize safety testing and certifications can provide peace of mind regarding their products’ reliability.
- Performance Metrics: Evaluate performance specifications such as energy capacity, cycle life, and discharge rates. These metrics are critical in determining how well a battery will perform in real-world applications, making it essential to compare these figures among leading companies.
- Price and Value: Consider the pricing of solid state batteries in relation to their features and performance. While it may be tempting to choose the cheapest option, a higher initial investment may yield better long-term value through improved efficiency and durability.
- Customer Support and Warranty: Investigate the level of customer support and warranty offered by the manufacturer. Comprehensive customer service and a solid warranty policy can provide additional assurance and assistance should any issues arise after purchase.
- Environmental Impact: Look into the environmental practices of the company, particularly regarding the materials used in their batteries and their recycling programs. Companies that prioritize sustainability are increasingly important for environmentally-conscious consumers.