Semi-Solid-State Power Bank
OEM Manufacturer
Next-gen semi-solid-state battery power banks. 50% thinner, 30% higher energy density, lower fire risk than Li-polymer. PD 55W-65W output, UN38.3 certified for global air shipping. MOQ 500.
50%
Thinner
30%
Higher Density
65W
PD Output
500
MOQ
CES
2026 Featured
What Is Semi-Solid-State Battery Technology?
Semi-solid-state batteries replace the liquid electrolyte in traditional Li-polymer cells with a gel or semi-solid electrolyte. Often called "solid state power bank" technology in the consumer market, this next-generation chemistry fundamentally changes three things: energy density, thermal stability, and form factor.
50%
Thinner Profile
Same capacity, half the thickness. Gel electrolyte eliminates separator layers needed for liquid containment.
30%
Higher Energy Density
More watt-hours per gram. Enables 20000mAh in a form factor that previously held 15000mAh.
1000+
Charge Cycles
1,000-2,000 cycle lifespan vs 300-500 cycles for standard Li-polymer. Gel electrolyte reduces degradation over time.
Semi-Solid-State vs. Li-Polymer vs. Solid-State
Not all "solid state power bank" claims are equal. True semi-solid-state batteries use a gel electrolyte with only 2.5-10% liquid content — a production-ready middle ground between traditional lithium-polymer and full solid-state technology that won't reach mass production until 2027+.
| Parameter | Li-Polymer Traditional |
Semi-Solid-State WOWOHCOOL |
Full Solid-State Lab/R&D |
|---|---|---|---|
| Liquid Electrolyte | 60-90% | 2.5-10% | 0% |
| Energy Density | 180-260 Wh/kg | 280-400 Wh/kg | 400-500+ Wh/kg |
| Cycle Life | 300-500 cycles | 1,000-2,000 cycles | 5,000+ cycles |
| Thermal Runaway Risk | Higher | Significantly Reduced | Near Zero |
| Mass Production | Mature | Commercial (2025-2026) | Lab/Pilot (2027+) |
| Cost vs. Li-Polymer | Baseline | +20-40% | +200-500% |
| OEM Availability | Universal | Limited Factories (incl. WOWOHCOOL) | Not Available |
Data sourced from ELECOM (2000 cycles), BMX (2.5% liquid content), and industry benchmarks. Updated June 2026.
Semi-Solid-State Power Banks
6 models | 10000-20000mAh | 45W-65W PD output
WOP09 Semi-Solid Power
Next-gen semi-solid-state battery power bank with 55W output. Built-in dual fast charging cables (Type-C + Lightning). 50% thinner, 30% higher energy density than traditional Li-Po (semi-solid-state battery manufacturer specifications). CES 2026 award-winning technology.
Specifications ▼
| Battery Capacity | 10000mAh / 36Wh |
| Battery Type | Semi-Solid-State |
| Rated Capacity | 5800mAh (5V/2A) |
| Size | 9.1×5×3.1cm |
| Material | PC Shell |
| Type-C/C Cable Output | 5V/3A, 9V/3A, 10V/2.25A, 12V/3A, 15V/3A, 20V/2.75A (55W) |
| USB-A Output | 5V/3A, 9V/2A, 12V/1.5A, 10V/2.25A (22.5W) |
| Lightning Cable Output | 5V/3A, 9V/3A (27W Max) |
| Efficiency | ≥5% |
WOP10 Semi-Solid Power
Next-gen semi-solid-state battery power bank with 55W output. 20000mAh (72Wh) capacity with dual built-in fast charging cables (Type-C + Lightning). 50% thinner, 30% higher energy density (semi-solid-state battery manufacturer specifications). CES 2026 award-winning technology.
Specifications ▼
| Battery Capacity | 10000mAh / 72Wh (Based on 7.2V) |
| Battery Type | Semi-Solid-State |
| Rated Capacity | 12000mAh (5V/2A) |
| Size | 9.7×6.1×3.6cm |
| Material | PC Shell |
| Type-C/C Cable Output | 5V/3A, 9V/3A, 10V/2.25A, 12V/3A, 15V/3A, 20V/2.75A (55W) |
| USB-A Output | 5V/3A, 9V/2A, 12V/1.5A, 10V/2.25A (22.5W) |
| Lightning Cable Output | 5V/3A, 9V/3A (27W Max) |
| Efficiency | ≥5% |
WOP26 Semi-Solid Pro
Next-gen semi-solid-state battery power bank with 45W output and triple retractable cables (Type-C1, Type-C2, Type-C3). 20000mAh (72Wh) capacity. 50% thinner, 30% higher energy density (semi-solid-state battery manufacturer specifications). CES 2026 award-winning technology.
Specifications ▼
| Battery Capacity | 10000mAh × 2pcs / 72Wh |
| Battery Type | Semi-Solid-State |
| Rated Capacity | 12000mAh (5V/3A) |
| Size | 12.9×6.2×3.2cm |
| Material | PC + ABS |
| Type-C1/C2 Cable Output | 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/2.25A (45W) |
| Type-C3 Output | 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/2.25A (45W) |
| USB-A Output | 5V/3A, 9V/2A, 12V/1.5A, 10V/2.25A (22.5W) |
| Efficiency | ≥5% |
WOP27 Semi-Solid Max
High-power semi-solid-state battery power bank with 65W output and triple retractable cables (Type-C1, Type-C2, Type-C3). 20000mAh (72Wh) capacity powers laptops and multiple devices. 50% thinner, 30% higher energy density (semi-solid-state battery manufacturer specifications). CES 2026 award-winning technology.
Specifications ▼
| Battery Capacity | 10000mAh × 2pcs / 72Wh |
| Battery Type | Semi-Solid-State |
| Rated Capacity | 12000mAh (5V/3A) |
| Size | 12.9×6.2×3.2cm |
| Material | PC + ABS |
| Type-C1/C2 Cable Output | 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/3.25A (65W) |
| Type-C3 Output | 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/3.25A (65W) |
| USB-A Output | 5V/3A, 9V/2A, 12V/1.5A, 10V/2.25A (22.5W) |
| Efficiency | ≥5% |
WOPY22 Semi-Solid 45W
Semi-solid-state 20000mAh (10000mAh×2, 7.4V/74Wh) power bank with built-in Type-C + Lightning dual fast-charge cables. PD 45W bidirectional via Type-C port and cable. Lightning cable PD 27W output. USB-A 22.5W super fast charge. Triple output simultaneously: Type-C + Type-C cable + Lightning cable. 12000mAh rated capacity (5V/2.4A). PC+ABS compact body 114×70×32mm. ≥75% conversion efficiency.
Specifications ▼
| Battery Energy | 10000mAh×2 / 7.4V / 74Wh |
| Rated Capacity | 12000mAh (5V/2.4A) |
| Cell Type | Semi-Solid-State Li-Polymer |
| Size | 114×70×32mm |
| Shell Material | PC + ABS |
| Type-C / Type-C Cable Input | 5V/3A, 9V/3A, 12V/2.5A, 15V/2A, 20V/1.5A (PD 30W) |
| Type-C / Type-C Cable Output | 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/2.25A (PD 45W) |
| Lightning Cable Output | 5V/3A, 9V/3A, 12V/1.67A (PD 27W) |
| USB-A Output | 5V/3A, 9V/2A, 12V/1.5A, 10V/2.25A (22.5W) |
| Triple Output | Type-C + Type-C Cable + Lightning Cable (5V/3A Max) |
| Conversion Efficiency | ≥75% |
WOPY21 Semi-Solid 45W
Semi-solid-state 20000mAh (10000mAh×2, 7.4V/74Wh) power bank with built-in Type-C + Lightning dual fast-charge cables. PD 45W bidirectional via Type-C port and cable. Lightning PD 27W output. USB-A 22.5W super fast charge. Triple simultaneous output: Type-C + Type-C cable + Lightning cable (5V/3A Max). 12000mAh rated capacity (5V/2.4A). PC+ABS compact body 114×70×32mm. ≥75% conversion efficiency.
Specifications ▼
| Battery Energy | 10000mAh×2 / 7.4V / 74Wh |
| Rated Capacity | 12000mAh (5V/2.4A) |
| Cell Type | Semi-Solid-State Li-Polymer |
| Size | 114×70×32mm |
| Shell Material | PC + ABS |
| Type-C / Type-C Cable Input | 5V/3A, 9V/3A, 12V/2.5A, 15V/2A, 20V/1.5A (PD 30W) |
| Type-C / Type-C Cable Output | 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/2.25A (PD 45W) |
| Lightning Cable Output | 5V/3A, 9V/3A (PD 27W) |
| USB-A Output | 5V/3A, 9V/2A, 12V/1.5A, 10V/2.25A (22.5W) |
| Triple Output | Type-C + Type-C Cable + Lightning Cable (5V/3A Max) |
| Conversion Efficiency | ≥75% |
Why Choose Semi-Solid-State for Your Brand
B2B differentiation. Premium positioning. Future-proof your product line with the next-gen battery technology featured at CES 2026.
Premium Retail Positioning
Sell at 30-50% higher MSRP than Li-polymer equivalents. "Next-gen battery" marketing language differentiates your listing on Amazon and retail.
Lower Return Rates
Better thermal stability means fewer field failures. WOWOHCOOL semi-solid-state line has 30-50% lower warranty return rate vs Li-polymer products.
Compliance Future-Proofing
EU Battery Regulation 2023/1542 favors low-fire-risk chemistry. Semi-solid-state aligns with upcoming sustainability and safety mandates.
Travel-Friendly Design
All UN38.3 certified. Up to 27,000mAh (100Wh) qualifies for carry-on. Ideal for travel accessory and corporate gift programs.
Built-in Cable Convenience
All 6 models include built-in or retractable cables. No more lost cables, no extra packaging cost, fewer guest/customer complaints.
Sample in 3-7 Days
Standard models ship samples within 3-7 days. Custom logo OEM samples in 10-15 days. Production lead time 25-30 days.
Brands Powered by Semi-Solid-State Technology (2026)
The semi-solid-state power bank market is exploding in 2026, with DTC brands, Japanese electronics giants, and crowdfunding projects all adopting this technology. Behind many of these brands is an OEM factory with semi-solid-state cell expertise.
BMX SolidSafe
US — 5000-10000mAh, "Best of CES 2026" by TechRadar. 2.5% liquid content cells.
Kuxiu
Australia — S2/S3 MagSafe semi-solid power banks. Featured on The Verge.
ELECOM
Japan — 10000mAh with 2,000-cycle lifespan. Japanese retail market leader.
Neopow
US — X25 285W/25000mAh flagship. Crowdfunding record-breaker.
Meenova SolidPower
US — Kickstarter launch May 2026. Safety-first positioning.
Momax / Bull (公牛)
HK / China — Premium consumer electronics retailers adopting semi-solid-state.
These DTC brands demonstrate the market demand — but most buyers need an OEM partner to bring their own semi-solid-state power bank to market. WOWOHCOOL provides the same production-grade semi-solid-state cells, with full OEM/ODM customization, MOQ from 500 units.
View Our 6 Semi-Solid-State Models →Safety & Certifications for Semi-Solid-State Power Banks
Semi-solid-state batteries inherently reduce fire risk — but proper certification is still essential for market entry. All WOWOHCOOL semi-solid-state power banks ship with complete documentation for global compliance.
UN38.3 Transport Safety
Mandatory for lithium battery air/sea transport. All models tested and certified with full MSDS documentation for customs clearance worldwide.
CE / FCC / RoHS
Standard compliance for EU (CE), North America (FCC), and hazardous substance restrictions (RoHS). Included on all models at no extra cost.
IATA Airline Compliance
All models under 100Wh — allowed in carry-on luggage per IATA Dangerous Goods Regulations. No airline pre-approval needed.
EU Battery Regulation 2023/1542
New EU law favors low-fire-risk battery chemistry. Semi-solid-state's reduced liquid electrolyte positions it ahead of regulatory curves.
Reduced Thermal Runaway
Only 2.5-10% liquid electrolyte vs 60-90% in Li-polymer. Less flammable material means dramatically lower fire propagation risk if cells are damaged.
Optional: UL / PSE / KC
Need UL 2056 (US), PSE (Japan), or KC (Korea)? We assist with application, testing coordination, and documentation. Timeline: 4-8 weeks.
Explore more power bank categories from WOWOHCOOL:
OEM/ODM Customization
Full customization from logo printing to bespoke industrial design. MOQ flexible by complexity.
OEM (Standard Models, MOQ 500)
- • Logo printing (silkscreen, laser, UV)
- • Color customization (Pantone matching)
- • Custom packaging with brand artwork
- • Multi-language user manuals
- • Insert cards and warranty leaflets
- • Lead time: 25-30 days after sample approval
ODM (Custom Design, MOQ 1,000-2,000)
- • Bespoke ID design (CMF: Color, Material, Finish)
- • Custom enclosure tooling
- • Capacity tuning (5,000-30,000mAh range)
- • Output power configuration (20W-65W)
- • Cable type selection (C+C, C+L, USB-A combos)
- • Lead time: 45-60 days including tooling
Semi-Solid-State FAQ
What is a semi-solid-state battery power bank?▼
A semi-solid-state power bank uses gel-state or semi-solid electrolyte instead of liquid electrolyte found in traditional Li-polymer batteries. This delivers 50% thinner profiles, 30% higher energy density, lower fire risk, and longer cycle life (1,000-2,000 cycles vs 300-500 for Li-polymer). Often marketed as a "solid state power bank," true semi-solid-state technology contains only 2.5-10% liquid content.
What is the MOQ for semi-solid-state power bank OEM?▼
MOQ starts at 500 units for standard ODM models with custom logo printing. Custom OEM with tooling: 1,000-2,000 units. Sample turnaround: 3-7 days for standard, 10-15 days for custom.
Are semi-solid-state power banks safe for air shipping?▼
Yes. All WOWOHCOOL semi-solid-state power banks are UN38.3 certified and meet IATA air transport regulations. Capacity up to 27,000mAh (100Wh) is allowed in carry-on luggage per IATA passenger rules.
How is semi-solid-state different from full solid-state battery?▼
Semi-solid-state uses a hybrid electrolyte (partial liquid + partial solid) and is in mass production now. Full solid-state batteries are still in pilot production by manufacturers like Sunwoda and Svolt and not commercially available for power banks until 2027+.
Are semi-solid-state power banks safer than lithium-ion?▼
Yes. The gel electrolyte significantly reduces thermal runaway risk compared to traditional lithium-ion or Li-polymer cells. With only 2.5-10% liquid content (vs 60-90% in Li-polymer), there is dramatically less flammable material if the cell is damaged. This aligns with the EU Battery Regulation 2023/1542 which favors low-fire-risk chemistry.
How long does a semi-solid-state power bank last?▼
WOWOHCOOL semi-solid-state power banks deliver 1,000-2,000 charge cycles before reaching 80% capacity — that's 3-4x longer than traditional Li-polymer (300-500 cycles). At one full charge per day, this translates to 3-5+ years of daily use before noticeable capacity loss.
Which brands use semi-solid-state battery technology?▼
Notable brands launching semi-solid-state power banks in 2025-2026 include BMX SolidSafe (US, CES 2026 winner), Kuxiu (Australia), ELECOM (Japan, 2000-cycle), Neopow (US, 285W flagship), Meenova (Kickstarter), Momax (Hong Kong), and Bull/公牛 (China). Many DTC brands source semi-solid-state cells through OEM factories — WOWOHCOOL offers the same technology with full customization from MOQ 500.
Can semi-solid-state power banks be taken on planes?▼
Yes. All WOWOHCOOL semi-solid-state power banks are under 100Wh and UN38.3 certified — fully compliant with IATA Dangerous Goods Regulations for carry-on luggage. No airline pre-approval is needed. Complete MSDS documentation is provided for international shipping and customs clearance.
Get a Quote
Get Semi-Solid-State Factory Pricing
MOQ 500 units. Sample in 3-7 days. Custom logo and packaging included.
SSL Encrypted · Your data is safe