Flat Lithium Ion Battery: Recommend Top 10 Options

Flat lithium-ion batteries are popular for various applications due to their compact form and impressive energy density. In this guide, you will explore what flat lithium-ion batteries are, their key characteristics, and more!

Part 1. What are flat lithium-ion batteries?

Flat lithium-ion batteries are designed with a slim profile. Thus, they are suitable for devices where space is at a premium. Here are their key characteristics:

• Compact Size: Their slim design lets them fit into thin gadgets and portable devices.
• High Energy Density: They pack significant power into a small footprint.
• Lightweight: They offer high performance without adding unnecessary weight.
• Low Self-Discharge Rate: They retain their charge over long periods, making them reliable.

Part 2. Top 10 flat lithium-ion batteries

1. Samsung SDI Flat Lithium Ion Battery

Specifications

• Voltage: 3.7V
• Capacity: 94Ah
• Size: 45 x 173 x 125 mm
• Cycle Life: Over 3000 times
• Type: Prismatic Lithium Ion

Features

• Grade-A quality ensures high performance
• NMC chemistry for enhanced energy density
• Flat prismatic design for space efficiency
• High capacity supports extended use
• Suitable for demanding applications

Applications

• Solar storage
• RV power systems
• Golf-cart batteries
• Home energy storage

2. Ufine 3.7 V 1200mAh Flat Lithium Ion Battery

Specifications

• Voltage: 3.7V
• Capacity: 1200mAh
• Weight: Approximately 18.6g
• Configuration: 1S1P
• Certificates: CQC, UL, TUV

Features

• Reliable in extreme temperatures like -40℃
• Stable voltage output ensures consistent power delivery
• Extended cycle life for cost-effective use
• Built-in protections against overcharging, over-discharging, and short circuits
• Customizable capacities and sizes to fit various needs

Applications

• Consumer electronics
• Portable devices
• Wearable technology
• Remote controls
• Emergency backup systems

3. LG Chem Flat Lithium Ion Battery

Specifications

• Total power: 9.8 kWh
• Usable energy: 8.8 kWh
• Voltage range: 42.0 ~ 58.8 V
• Nominal capacity: 189 Ah
• Weight: 75 kg

Features

• 10-year LG Chem manufacturing guarantee
• Supports up to 6000 cycles for long life
• High DC round-trip efficiency of 95%
• Lightweight with integrated handles for easy transport
• Compact size for both indoor and outdoor installation

Applications

• Solar PV systems for households
• Night-time use of stored solar energy
• Reducing electricity bills with self-sufficient power generation

4. Panasonic Flat Lithium Ion Battery

Specifications

• High energy density and voltage
• Low self-discharge
• Stable flat discharge voltage
• Requires safety unit for use
• Dimensions: 75 x 28 x 36 mm

Features

• Compact battery design due to high energy density
• Reliable power supply with stable voltage
• Long-lasting performance with minimal self-discharge
• Safety unit enhances protection and durability
• Designed for superior performance in various devices

Applications

• UPS systems
• Portable POS terminals
• GPS devices and shavers

5. Sony Flat Lithium Ion Battery

Specifications

• Voltage: 7.2V
• Capacity: 2280mAh
• Compatible with Sony Alpha a9 II
• InfoLITHIUM support for charge display on LCD
• SKU: 000032, Model: NP-FZ100

Features

• High-capacity battery designed for demanding photography needs
• Provides accurate charge level indication on the camera’s LCD screen
• Ideal for extended shooting sessions with Sony Alpha cameras
• Durable and reliable performance
• Not included: Battery charger

Applications

• Professional photography
• Videography
• Extended outdoor shoots
• High-resolution image capturing

6. CATL Flat Lithium Ion Battery

Specifications

• Nominal voltage: 3.2V
• Nominal capacity: 228Ah
• Impedance: 0.22±0.05mΩ
• Cycle life: ≥4000 cycles
• Weight: ≤4.22 kg

Features

• Long lifespan with over 4000 cycles
• Low self-discharge rate of ≤3.5%
• Wide operational temperature range for diverse environments
• High energy density in a compact prismatic design
• Efficient charge/discharge performance with up to 1C current

Applications

• Energy storage systems (ESS)
• Renewable energy storage solutions

7. BYD Flat Lithium Ion Battery

Specifications

• Usable energy: 5 kWh
• Weight: 47 kg
• Dimensions: 13.2 × 48.2 × 52.5 cm
• Communication: CAN, RS485

Features

• Provides reliable backup during power outages
• Long-lasting LFP cells
• Compact design for easy installation
• Advanced communication for seamless system integration

Applications

• Off-grid energy storage
• On-grid systems with backup
• Renewable energy solutions

8. SK Innovation Flat Lithium Ion Battery

Specifications

• Capacity: 37.8Ah nominal, 37Ah minimal
• Voltage: 2.5V (min)
• Energy density: 192Wh/kg
• Max charging current: 80A constant, 200A pulse
• Max discharge current: 140A constant, 325A pulse

Features

• Designed for electric vehicle (EV) industry applications
• The long service life of 10 years with high energy throughput
• High power discharge with 910W 10-second pulse
• Low internal resistance for efficient energy delivery
• Compact and lightweight pouch cell design

Applications

• High-performance energy storage systems

9. Toshiba Flat Lithium Ion Battery

Specifications

• Cycle Life: Over 20,000 charge/discharge cycles
• Charging time: 80% charge in 6 minutes
• Temperature: As low as -30°C
• Input/Output Current Density: High, comparable with capacitors
• SOC Range: Effective from 0% to 100%

Features

• Charges quickly to 80% capacity within 6 minutes
• Functional even at -30°C
• Capable of large current for both charging and discharging
• Low risk of fire or explosion due to robust design
• Exceptional longevity with over 20,000 cycles

Applications

• Industrial energy storage systems
• Electric and hybrid vehicles
• Backup power solutions for critical infrastructure

10. A123 Systems Flat Lithium Ion Battery

Specifications

• Technology: Lithium-ion technology
• Storages: Grid-storage
• Megawatts: 44
• Climates efficiency: Operates even in China and Spain
• Cycle: Frequent cycle applications

Features

• Pioneering grid-storage solutions with large capacity
• Rapid deployment in new markets globally
• Supports frequency regulation for stable electricity grids
• Compliant with new regulatory standards for battery storage
• Adaptable to both high and low power requirements

Applications

• Grid storage for electricity systems and power plants
• Energy storage solutions for renewable energy integration
• Backup power systems for utility companies

Part 3. How to choose the right flat lithium-ion battery?

Selecting the correct flat lithium-ion battery involves several considerations:

• Capacity: Determine how much power you may need based on your device’s requirements.
• Voltage: Ensure the battery’s voltage matches the specifications of your device.
• Size and shape: Choose a battery that fits your device’s design constraints.
• Discharge rate: Consider the rate at which the battery can safely discharge.

Part 4. FAQs 

Henry

Battery Industry Content Writer

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