Solid State Battery Specifications: Technical Reference & Standards Guide
Published: June 18, 2026
Last Updated: June 18, 2026
Reading Time: 10 minutes
Author: WES Battery Technical Team
Introduction
Understanding solid state battery specifications is essential for engineers, product managers, and procurement specialists evaluating battery options for specific applications. This comprehensive technical reference guide for solid state battery specifications covers the key specifications, standards, and performance metrics that define solid state battery capabilities and ensure compatibility with your systems. Whether you’re evaluating solid state battery technical specifications for OEM procurement or assessing solid state battery compliance standards, this guide provides the detailed information needed for informed decision-making.
Electrical Specifications
Voltage Specifications
Solid state battery specifications are available in various voltage configurations to match different application requirements. Understanding solid state battery technical specifications for voltage is critical for system design and safety.
Single Cell Specifications:
|
Parameter
|
Value
|
Notes
|
|
Nominal Voltage
|
3.85V
|
Standard operating voltage
|
|
Maximum Charge Voltage
|
4.45V
|
Full charge voltage
|
|
Minimum Discharge Voltage
|
2.5V
|
Minimum safe voltage
|
|
Voltage Range
|
2.5V – 4.45V
|
Operating window
|
|
Voltage Tolerance
|
±0.05V
|
Manufacturing tolerance
|
Multi-Cell Pack Configurations:
|
Configuration
|
Nominal Voltage
|
Max Charge Voltage
|
Min Discharge Voltage
|
|
1S
|
3.85V
|
4.45V
|
2.5V
|
|
2S
|
7.7V
|
8.9V
|
5.0V
|
|
3S
|
11.55V
|
13.35V
|
7.5V
|
|
4S
|
15.4V
|
17.8V
|
10.0V
|
|
6S
|
23.1V
|
26.7V
|
15.0V
|
|
8S
|
30.8V
|
35.6V
|
20.0V
|
|
12S
|
46.2V
|
53.4V
|
30.0V
|
Capacity and Energy
Solid state battery specifications are available in various capacities to match application requirements. Procurement specialists evaluating solid state battery technical specifications must understand capacity ranges for different applications.
Capacity Range:
Solid state battery specifications support multiple capacity ranges: Small format (500mAh – 2Ah) for consumer electronics and wearables, Medium format (2Ah – 20Ah) for drones and power tools, and Large format (20Ah – 100Ah+) for vehicles and energy storage systems.
Energy Calculations:
|
Configuration
|
Capacity
|
Energy (Wh)
|
|
1S 5000mAh
|
5Ah
|
19.25 Wh
|
|
4S 5000mAh
|
5Ah
|
77 Wh
|
|
6S 5000mAh
|
5Ah
|
115.5 Wh
|
|
6S 10000mAh
|
10Ah
|
231 Wh
|
Discharge Rate Specifications
Discharge rate, measured in C-rate (multiples of capacity), defines how quickly a battery can safely discharge. Solid state battery technical specifications for discharge rates are critical for application compatibility.
Discharge Rate Specifications:
|
Discharge Rate
|
Description
|
Application
|
Heat Generation
|
|
0.5C
|
Slow discharge
|
Long runtime applications
|
Minimal
|
|
1C
|
Standard discharge
|
General purpose
|
Low
|
|
2C
|
Fast discharge
|
High-power applications
|
Moderate
|
|
5C
|
Very fast discharge
|
Extreme performance
|
High
|
|
10C+
|
Ultra-fast discharge
|
Peak power applications
|
Very high
|
Practical Examples: A 1Ah battery at 1C delivers 1 amp discharge for 1 hour runtime. A 1Ah battery at 2C delivers 2 amps for 30 minute runtime. A 5Ah battery at 5C delivers 25 amps for 12 minute runtime. These discharge rate specifications are fundamental to solid state battery technical specifications for OEM applications.
Energy Density Specifications
Volumetric and Gravimetric Density
Solid state battery specifications are defined by their energy density, measured in both watt-hours per kilogram (Wh/kg) and watt-hours per liter (Wh/L). Understanding solid state battery energy density specifications is critical for procurement decisions.
Energy Density Specifications:
|
Metric
|
Solid State
|
Traditional LiPo
|
Advantage
|
|
Gravimetric Density
|
350+ Wh/kg
|
250-300 Wh/kg
|
+17-40%
|
|
Volumetric Density
|
600+ Wh/L
|
400-500 Wh/L
|
+20-50%
|
|
Specific Power
|
2,000+ W/kg
|
1,500-2,000 W/kg
|
+0-33%
|
Solid state battery technical specifications for energy density represent significant advantages over conventional lithium-ion technology, directly impacting total cost of ownership and performance metrics.
Energy Density by Application
Different applications have different energy density requirements. Solid state battery specifications must match application-specific performance requirements.
Application Energy Density Requirements:
|
Application
|
Required Density
|
Solid State Capability
|
Margin
|
|
Drones
|
250+ Wh/kg
|
350+ Wh/kg
|
+40%
|
|
Electric Vehicles
|
200+ Wh/kg
|
350+ Wh/kg
|
+75%
|
|
Consumer Electronics
|
150+ Wh/kg
|
350+ Wh/kg
|
+133%
|
|
Energy Storage
|
100+ Wh/kg
|
350+ Wh/kg
|
+250%
|
Solid state battery technical specifications exceed application requirements across all major sectors, enabling superior performance and extended operational capabilities.
Thermal Specifications
Operating Temperature Range
Solid state battery specifications operate reliably across a wide temperature range, enabling use in diverse environments. Understanding solid state battery technical specifications for temperature operation is essential for application compatibility.
Temperature Specifications:
|
Temperature Range
|
Description
|
Applications
|
|
-20°C to 80°C
|
Standard operating range
|
Most applications
|
|
-40°C to 100°C
|
Extended range
|
Extreme environments
|
|
0°C to 60°C
|
Optimal range
|
Peak performance
|
|
Below -20°C
|
Limited operation
|
Reduced capacity
|
|
Above 80°C
|
Limited operation
|
Reduced performance
|
Charging Temperature Requirements
Solid state battery specifications have specific temperature requirements for charging to ensure safety and maximize cycle life. Procurement specialists must verify solid state battery technical specifications for charging temperature compliance.
Charging Temperature Specifications:
|
Temperature
|
Charging Capability
|
Notes
|
|
Below 5°C
|
Not recommended
|
Risk of lithium plating
|
|
5°C to 15°C
|
Reduced rate (0.5C max)
|
Slower charging
|
|
15°C to 35°C
|
Full rate (1-2C)
|
Optimal charging
|
|
35°C to 45°C
|
Reduced rate (0.5C max)
|
Temperature monitoring
|
|
Above 45°C
|
Not recommended
|
Risk of damage
|
Thermal Management
Solid state battery specifications generate less heat than conventional batteries but still require thermal management for optimal performance. Solid state battery technical specifications for thermal management vary by discharge rate.
Heat Generation:
|
Discharge Rate
|
Heat Generation
|
Thermal Management
|
|
0.5C
|
Minimal
|
Passive cooling
|
|
1C
|
Low
|
Passive cooling
|
|
2C
|
Moderate
|
Active cooling recommended
|
|
5C+
|
High
|
Active cooling required
|
Cycle Life and Degradation
Cycle Life Specifications
Cycle life defines how many charge-discharge cycles a battery can endure before capacity degrades to 80% of original capacity. Solid state battery specifications for cycle life represent significant advantages for procurement decisions.
Cycle Life Specifications:
|
Specification
|
Value
|
Notes
|
|
Rated Cycle Life
|
1,000+ cycles
|
To 80% capacity
|
|
Extended Life
|
1,500-2,000 cycles
|
With proper care
|
|
Calendar Life
|
10+ years
|
At optimal storage
|
|
Capacity Retention
|
90%+ at 500 cycles
|
Excellent stability
|
|
Capacity Retention
|
80%+ at 1,000 cycles
|
Meets specification
|
Solid state battery technical specifications for cycle life directly reduce total cost of ownership and replacement costs over extended operational periods.
Degradation Factors
Multiple factors influence battery degradation and cycle life. Understanding solid state battery specifications for degradation factors is critical for procurement planning.
Primary Degradation Factors:
|
Factor
|
Impact
|
Mitigation
|
|
Discharge Rate
|
Higher rates degrade faster
|
Use lower discharge rates
|
|
Charging Rate
|
Higher rates degrade faster
|
Use lower charging rates
|
|
Operating Temperature
|
Higher temps degrade faster
|
Maintain optimal temperature
|
|
Depth of Discharge
|
Deeper discharge degrades faster
|
Avoid full discharge
|
|
Storage Conditions
|
Poor storage accelerates degradation
|
Store at 3.85V, cool location
|
Safety and Certification Standards
International Safety Standards
Solid state battery specifications must meet multiple international safety standards for transportation, storage, and use. Procurement specialists must verify solid state battery compliance standards for all applications.
Key Safety Standards:
|
Standard
|
Description
|
Scope
|
|
UN38.3
|
Transport of lithium batteries
|
Air/ground transportation
|
|
UL1642
|
Lithium batteries for use in equipment
|
Product safety
|
|
IEC 61960
|
Secondary lithium batteries
|
Performance and safety
|
|
CE
|
European conformity
|
EU market requirements
|
|
CB
|
IEC system for certification
|
International certification
|
Solid state battery technical specifications must comply with all applicable standards for market access and regulatory compliance.
Safety Test Requirements
Solid state battery specifications undergo rigorous safety testing to ensure safe operation. Solid state battery compliance standards require comprehensive testing across multiple scenarios.
Safety Test Parameters:
|
Test
|
Purpose
|
Pass Criteria
|
|
Thermal Stability
|
Evaluate thermal runaway risk
|
No fire/explosion at 150°C+
|
|
Overcharge
|
Evaluate overcharge safety
|
No fire/explosion at 150% voltage
|
|
Short Circuit
|
Evaluate short circuit safety
|
No fire/explosion
|
|
Mechanical Abuse
|
Evaluate impact safety
|
No fire/explosion after impact
|
|
Vibration
|
Evaluate mechanical durability
|
No damage after vibration
|
|
Thermal Shock
|
Evaluate temperature cycling
|
No damage after cycling
|
Charging Specifications
Charger Requirements
Solid state battery specifications require chargers specifically designed for solid state battery charging to ensure safety and optimal performance. Solid state battery technical specifications for charger compatibility are essential for procurement.
Charger Specifications:
|
Specification
|
Requirement
|
Notes
|
|
Maximum Voltage
|
4.45V per cell
|
Critical for full charge
|
|
Charge Rate
|
0.5-2C
|
Depends on charger capability
|
|
Temperature Monitoring
|
Required
|
Prevents overheating
|
|
Balance Charging
|
Recommended
|
Ensures even cell charging
|
|
Overcharge Protection
|
Required
|
Prevents overcharging
|
Charging Profiles
Optimal charging profiles maximize battery life while ensuring safe operation. Solid state battery specifications for charging profiles are critical for performance optimization.
Recommended Charging Profile:
|
Phase
|
Voltage
|
Current
|
Duration
|
|
Constant Current
|
2.5V to 4.35V
|
1C
|
~1 hour
|
|
Constant Voltage
|
4.45V
|
Decreasing
|
~30 minutes
|
|
Trickle Charge
|
4.45V
|
0.1C
|
Until full
|
|
Charge Complete
|
4.45V
|
<0.05C
|
Disconnect
|
Connector and Form Factor Specifications
Standard Connectors
Solid state battery specifications are available with various standard connectors to match application requirements. Solid state battery technical specifications for connectors must align with system integration needs.
Common Connector Types:
|
Connector
|
Amperage Rating
|
Applications
|
|
XT60
|
60A continuous
|
Drones, RC equipment
|
|
XT90
|
90A continuous
|
High-power drones, vehicles
|
|
Anderson
|
120A+ continuous
|
Industrial, vehicles
|
|
JST-XH
|
2-3A continuous
|
Small electronics
|
|
Custom
|
Application-specific
|
OEM/ODM applications
|
Form Factors
Solid state battery specifications are available in various form factors to match application requirements. Solid state battery technical specifications for form factors support diverse industrial applications.
Standard Form Factors:
|
Form Factor
|
Dimensions
|
Applications
|
|
Pouch
|
Flexible, custom sizes
|
Drones, consumer electronics
|
|
Cylindrical
|
18650, 21700 sizes
|
Consumer electronics
|
|
Prismatic
|
Rectangular, stackable
|
Vehicles, energy storage
|
|
Custom
|
Application-specific
|
OEM/ODM applications
|
Performance Metrics Summary
Comprehensive Specification Table
Solid state battery specifications provide superior performance across all key metrics compared to conventional lithium-ion technology.
|
Metric
|
Value
|
Unit
|
|
Energy Density
|
350+
|
Wh/kg
|
|
Nominal Voltage
|
3.85
|
V/cell
|
|
Max Charge Voltage
|
4.45
|
V/cell
|
|
Operating Temperature
|
-20 to 80
|
°C
|
|
Cycle Life
|
1,000+
|
cycles
|
|
Charging Time
|
20-30
|
minutes
|
|
Discharge Rate
|
0.5-5C+
|
C-rate
|
|
Self-Discharge
|
<2%
|
per month
|
|
Weight
|
Optimized
|
for application
|
|
Safety Rating
|
Excellent
|
UN38.3+
|
Conclusion
Understanding solid state battery specifications is essential for selecting the right battery for your application. Solid state battery technical specifications offer superior energy density, faster charging, extended cycle life, and enhanced safety compared to conventional lithium-ion batteries. By understanding these specifications and selecting batteries that match your application requirements, you can optimize performance, reliability, and cost-effectiveness.
Key Takeaways
Solid state battery specifications deliver: Voltage of 3.85V nominal, 4.45V maximum per cell; Energy density of 350+ Wh/kg (17-40% improvement over LiPo); Cycle life of 1,000+ cycles (2x improvement over LiPo); Operating temperature of -20°C to 80°C (wider range than LiPo); Charging time of 20-30 minutes (3-6x faster than LiPo); Safety rating of Excellent (UN38.3, UL1642, CE, CB certified); Discharge rate of 0.5-5C+ (application-dependent).
Related Guides
•Complete Guide to Solid State Battery Technology – Comprehensive overview
•Solid State Battery vs Lithium Ion Comparison – Detailed technical comparison
•Solid State Battery Applications Guide – Real-world use cases
•Solid State Battery Charging Guide – Optimal charging procedures
Contact WES Battery
Need detailed solid state battery technical specifications for your specific application? Our technical team specializes in solid state battery specifications and can provide customized specifications and recommendations for your procurement requirements.
Contact Information:
•Email: info@wesbattery.com
•Phone: +86 133 526 13095
•Website: https://wesbattery.com
