Core Overview
The SUPERFIRE S33-N Long Runtime Flashlight is a compact and durable lighting tool designed for extended operation scenarios. Equipped with an SH-U04 LED and 7W maximum power output, it delivers 140 lumens brightness with a 135-meter beam range, providing reliable illumination for outdoor activities, daily carry, and professional use.
Featuring a built-in 18650/2000mAh rechargeable battery, S33-N provides up to 4.5 hours runtime for long-duration lighting needs. The Nitrolon composite fiberglass body offers excellent impact resistance, lightweight portability, and corrosion protection, while the compact 90g design makes it easy to carry for extended periods.
- Outdoor camping and hiking
- Emergency lighting and backup preparation
- Industrial inspection and maintenance
- Utility work and extended field operations
- Daily carry and portable lighting needs
PRODUCT Characteristics
- Extended Runtime Performance
Equipped with a built-in 2000mAh 18650 battery, S33-N provides up to 4.5 hours runtime for long-duration lighting applications.
- Nitrolon Composite Body
The fiberglass-reinforced composite housing provides excellent impact resistance, thermal stability, and lightweight durability.
- Compact Lightweight Design
With a 90g body and compact dimensions, S33-N is comfortable to carry and suitable for everyday portable use.
- Simple Multi-Mode Operation
Three lighting modes including High, Low, and Strobe, with SOS function available through long press, meet different lighting requirements.
PRODUCT Specifications
| POWER | 7W (MAX) |
| LIGHT SOURCE | SH-U04 LED |
| LUMINOUS FLUX | 140LM |
| RANGE | 135M |
| COLOR TEMPERATURE | 8200K (Cool White) |
| LIGHT MODES | High / Low / Strobe / SOS |
| BATTERY | 18650 Li-ion / 2000mAh |
| RUNTIME | About 4.5H |
| CHARGING TIME | About 5H |
| INPUT | 5V/1A |
| CHARGING PORT | Micro-USB |
| VOLTAGE | DC 3.7V |
| WATERPROOF RATING | IP43 |
| IMPACT RESISTANCE | 1M |
| MATERIAL | Nitrolon Composite Fiberglass |
| WEIGHT | 90G |
| SIZE | 131 × 36 × 29MM |
| FOCUS TYPE | Fixed Focus |
PRODUCT Details
Video
常见问题解答
How do I choose the right SUPERFIRE lighting product for my application?
Choosing the right lighting tool depends on three key factors: brightness (lumens), beam distance, and runtime. For close-range tasks like equipment maintenance, reading, or camping, 100–400 lumens with a wide flood beam is ideal. For mid-range applications such as outdoor patrols, warehouse inspection, or job-site work, 400–1000 lumens with a balanced spot-and-flood beam works best. For long-distance needs — search and rescue, marine navigation, security sweeping, or large-area surveys — look for 1000+ lumens with a minimum 300-meter beam reach. Also consider the form factor: headlamps free both hands for task work; handheld flashlights offer more directional control; work lights with magnetic bases or rotating heads provide flexible hands-free positioning. If you need help matching a SUPERFIRE model to your specific use case, contact our product specialists for a personalized recommendation.
How do I properly charge and maintain the battery for maximum lifespan?
All SUPERFIRE rechargeable products use lithium-ion battery technology with built-in protection circuits. For maximum battery lifespan, follow these guidelines: avoid fully depleting the battery before recharging — lithium-ion cells prefer partial discharge cycles and perform best when kept between 20% and 80% charge; store the unit at approximately 50% charge if unused for extended periods (over one month); avoid exposing the product to extreme temperatures below -10°C or above 45°C during charging or storage; use the included charging cable or a quality-certified USB power source. Every SUPERFIRE unit includes overcharge and over-discharge protection, so the battery is safeguarded even if left connected to the charger after reaching full capacity.
Do you offer customization services?
Yes, we provide comprehensive OEM/ODM services. We can customize appearance, logos, packaging, functional modes (e.g., specific strobe frequencies), and even circuitry according to client requirements.
What quality certifications and warranty do SUPERFIRE products carry?
All SUPERFIRE products are manufactured in our ISO-certified facility and carry international certifications including CE, FCC, and RoHS. Professional-grade models additionally hold IECEx, or IP68 ratings as applicable. Every unit undergoes 100% functional QC inspection covering light output, mode cycling, charging circuitry, and visual defects before shipment. For B2B buyers, we provide manufacturer warranty coverage against defects in materials and workmanship, with spare parts availability throughout the product’s supported lifecycle. Pre-production samples and compliance documentation — including test reports and material certificates — are available for customer review before bulk orders.
Why choose SUPERFIRE over cheaper generic factory alternatives?
While generic factories compete on price alone, SUPERFIRE combines brand-level quality control with factory-direct pricing — a positioning that eliminates the trade-off buyers typically face. Our ISO-certified production line, 100% QC inspection rate, and international certifications (CE, FCC, RoHS) mean you receive consistent, compliant products batch after batch — not the variable quality common from no-name suppliers. Backed by 18+ years of brand heritage (Est. 2008), we offer OEM branding services that let you sell under your own label while leveraging our manufacturing expertise. Simply put: you get the product consistency and compliance of a brand supplier, at the cost structure of a factory-direct manufacturer.
Customization & OEM Services
SUPERFIRE provides comprehensive OEM and ODM services, supporting private-label brands, industrial equipment distributors, outdoor gear wholesalers, security and law enforcement outfitters, diving and marine equipment suppliers, cycling accessory brands, and corporate procurement programs worldwide. With 18+ years of brand manufacturing expertise, your customized products benefit from the same quality systems trusted by our own SUPERFIRE-branded lines.
- Brand Customization
- Laser Engraving: Custom laser marking of your brand logo, model designation, and regulatory symbols directly onto the product body — permanent, non-fading, and wear-resistant.
- Custom Color Options: Body color customization beyond standard black. Popular options include safety yellow, military green, silver, and matte gray. Minimum quantities apply.
- Accessory Branding: Custom-branded charging cables, user manuals, and packaging — creating a fully cohesive brand experience from unboxing to daily use.
- Co-Branding: Dual-logo configurations available for distributor-reseller relationships and co-marketed product lines.
- Packaging Customization
- Retail Box Design: Full creative service for packaging artwork — choose from window boxes, shelf-ready hang-tab blister cards, magnetic closure premium boxes, or eco-friendly kraft packaging.
- Inner Tray Customization: Custom-formed EPE or EVA foam trays for secure product presentation with your branding.
- Multi-Language Documentation: User manuals and quick-start guides translated and designed in your required languages, carrying your company identity and contact information.
- Anti-Counterfeiting: Custom holographic security labels, QR-code verification systems, and serialized numbering for brand protection and gray-market control.
- Product Customization
- LED Configuration: Alternative color temperatures, specialized wavelengths (UV, IR), or dual-LED setups — evaluated based on volume and technical feasibility.
- Mode Programming: Customized mode sequences, brightness levels, strobe frequencies, and tactical mode configurations tailored to your end-user scenario.
- Battery and Charging: Type-C upgrade options, higher-capacity cell configurations, or alternative charging port placements — engineered to your specification.
- Accessory Bundling: Custom kit configurations combining the product with selected mounts, holsters, cases, brackets, or supplementary tools — designed around your end-user’s workflow.
- Order and Logistics Support
- Flexible MOQ: Minimum order quantities discussed on a per-order basis, scaled to customization scope and configuration complexity.
- Sample Lead Time: Standard-configuration samples typically available within approximately 2–3 weeks. Custom pre-production samples confirmed upon order.
- Production Lead Time: Confirmed upon sample approval. Timelines are scaled to order volume and customization complexity.
- Shipping Options: FOB Shenzhen or EXW available. Ocean freight consolidation, air freight expedited, and express courier door-to-door delivery.
- Payment Terms: Discussed on order confirmation. Flexible arrangements available for established long-term partners.
- After-Sales Support: Manufacturer warranty with spare parts availability throughout the product’s supported lifecycle. Dedicated account management ensures seamless coordination from quotation through post-shipment support.
For OEM inquiries, distributor partnerships, or volume pricing,
contact us at [email protected] or via WhatsApp at +86 199 2887 7060.
Related Products
Max Output
1800LM
距离
LUMENS
Time
RANGE
力量
265M
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No. 88, Tongchang Road, Longdong Dapu, Longgang Stree, Longgang District, Shenzhen City, Guangdong Province, China
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Sth Floor, Building No.10, Yuanyang Xintiandi Shuianhuayuan, No. 16 Shenglong Road. Shengping Community, Longcheng Street, LongganProvince, China