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power-bank-case which is cheap: Buyer's Guide, Decision Framework, Common Mistakes | KeXinMaterials

power-bank-case which is cheap from KeXinMaterials source factory. OEM/ODM, wholesale, factory-direct pricing. 9 WL series sizes WL1204-WL5020, IP67/MIL-STD-810H certified, MOQ 100, 12h quote, 25-day delivery to 47 countries.

power-bank-case which is cheap Selection: A Buyer's Decision Framework

Choosing power-bank-case which is cheap for the first time is harder than it looks. We have seen buyers overspend 2x by over-specifying size, and underspend by skipping certifications. This page is the decision framework.

The WL Series: 9 Standard Sizes for power-bank-case which is cheap

For your reference, here are the WL series models we typically use for power-bank-case which is cheap applications. Outer dimensions (OD) are measured to the outside of the case; inner dimensions (ID) reflect the usable cavity after subtracting wall thickness. All in millimeters; imperial dimensions in our catalog PDF.

ModelOuter (mm)Inner (mm)Weight (g)MaterialSize Class
WL1204 120×90×40 mm 115×78×32 mm 100 g PP Phone / Wallet
WL2005 195×170×46 mm 190×135×40 mm 175 g PP Action Camera / GoPro
WL2808 275×230×82 mm 265×190×76 mm 480 g PP Tablet / E-reader

The most common model for "power-bank-case which is cheap" buyers is the WL1204 (120×90×40 mm OD, 100 g empty weight, PP body).

Material and Foam: What power-bank-case which is cheap Is Made Of

All power-bank-case which is cheap cases use engineering-grade polypropylene (PP) or PP+glass-fiber composite (PP+GF) for the shell, with CNC-cut closed-cell PE foam inside (density 25 kg/m³). The foam density is calibrated to absorb 1.2m drops on concrete while keeping your equipment from shifting.

The shell is rated IP68 (submersible 5m / 30 min) ingress protection and validated to MIL-STD-810H Method 516.8 (26 drops at 2.0m). Temperature range is -30 ~ +80 °C. The automatic pressure-equalization valve keeps the seal intact during air transport and at altitude. Latch is a double-throw design rated for 5,000 open/close cycles. All units are 100% inspected for wall thickness uniformity, latch engagement, and foam adhesion before shipping.

power-bank-case which is cheap Foam Layouts: 200+ Reference Designs

We maintain 200+ foam-cut reference designs for power-bank-case which is cheap, covering camera bodies, drone kits, broadcast gear, military equipment, medical devices, and industrial tools. Send us your equipment list, we will match to the closest reference or draft a new layout free within 24 hours.

power-bank-case which is cheap Cost vs Value: 5-Year View

Cheap power-bank-case which is cheap: $3-8/unit, 6-month lifespan, 200-cycle latch, 15 kg/m³ foam. Our power-bank-case which is cheap: $5-15/unit, 10-year lifespan, 5,000-cycle latch, 25 kg/m³ foam. Over 5 years, our case is 4-5x cheaper per year of use. Total cost of ownership wins.

For alternatives: soft padded bags (¥50–200, $7–30) are cheaper but offer no real protection and last 6 months. Aluminum hard cases ($80–300) are heavier, prone to denting, and 2–4× the price. Carbon fiber cases ($300+) are overkill for 95% of B2B use cases. Our PP/PC engineering cases hit the sweet spot: 90% of the protection of aluminum at 30% of the weight and 50% of the cost, with 10-year typical service life.

power-bank-case which is cheap After-Sales Support

After power-bank-case which is cheap ships: (1) We send QC photos before shipment. (2) Lot certificate with serial numbers. (3) 90-day defect replacement. (4) Foam re-cut service for equipment changes. (5) 5-year case body warranty. (6) Tooling stored 3 years for easy reorder.

Why Choose KeXinMaterials

If you do not see your question here, ask us at kexin@beeaa.com. We respond within 12 hours.

Key Specifications

Ingress Protection
IP68 (submersible 5m / 30 min)
Drop Test (MIL-STD-810H)
2.0m / 26 cycles
Temperature Range
-30 ~ +80 °C
Latch Type
Double-Throw Latch
Pressure Valve
Automatic Pressure Equalization
Certifications
ISO 9001:2015, IP67, IP68, ROHS, CE

Why Source Directly from KeXinMaterials

Established 2014. 13,000 sqm factory in Fusha Industrial Park, Zhongshan, Guangdong. 12 production lines, 60+ injection molding machines, 100+ employees, 20+ patents. Monthly capacity 80,000 units. Annual export revenue 8M+ USD to 47 countries.

Direct from the OEM. Unlike trading companies or sourcing agents who add 15–40% markup and disappear after delivery, KeXinMaterials handles everything in-house: mold development, injection molding, foam CNC cutting, QC testing, export documentation. Our 2024 buyer survey showed 87% repeat-order rate and 0.3% defect rate across 47 countries.

Bulk Pricing Reference (FOB Shenzhen)

QuantityUnit PriceDiscountLead TimeSample
50-99 pcsUSD 12.35—20 daysFree (pay shipping)
100-199 pcsUSD 10.925% off25 daysFree (pay shipping)
200-499 pcsUSD 9.5010% off30 daysFree (pay shipping)
500-999 pcsUSD 8.5515% off30 daysFree (pay shipping)
1000+ pcsUSD 7.6020% off35-45 daysFree (pay shipping)

Reference price for WL1204 (120×90×40 mm). Custom sizes, colors, foam add 5–30%. Quote valid 30 days.

Quick Reference Infographic

power-bank-case which is cheap: Buyer Decision Tree

[ Infographic — generation in progress ]

Visual summary of the key specifications. Print-friendly for buyer reference.

Product Video: power-bank-case which is cheap

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Frequently Asked Questions

How do I verify the power-bank-case which is cheap is genuine?

Every shipment includes a lot certificate with serial numbers, manufacturing date, and QC inspector signature. Cross-check the serial number with our database at kexin@beeaa.com to verify authenticity and view the test report.

What is the difference between OEM and ODM for power-bank-case which is cheap?

OEM: you design, we manufacture. ODM: we design (based on your use case), you brand. OEM requires 3D model / spec sheet from you. ODM requires usage description only. OEM MOQ 500, ODM MOQ 200. Both lead time 25-30 days for tooling.

Can I get a sample before ordering power-bank-case which is cheap?

Yes. Free samples for standard WL series (you pay shipping, $30-80 via DHL). 5-day sample lead time. Custom samples: $200-500 fee (refundable on order >2,000 units), 7-15 day lead time.

What about the foam — do I have to use yours?

No, you can supply your own foam. We can ship the case without foam (15% cost reduction) or with custom foam (your spec). Our standard foam is 25mm base + 10mm convoluted lid, CNC-cut to 0.5mm tolerance.

How long does power-bank-case which is cheap last?

PP case body: 10+ year typical service life with normal use. Foam set: 5+ years before showing compression set. Latch: 5,000-10,000 open/close cycles. Hinge: 10,000 cycles. Replace foam when it no longer rebounds; replace case when latch or hinge fails.

Related Resources

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