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// Knowledge base · 7 articles

Spec sheets,
explained.

What the numbers on a multi-port charger actually commit to, what certification travels with a shipment, and how an OEM order runs from brief to pallet. Written by the team that builds them.

GaN vs legacy silicon: what changes in a desktop charger
Technology · 5 min

GaN vs legacy silicon: what changes in a desktop charger

Why gallium nitride switching lets a 1000W charger fit on a desk, and what the generation number on a LEVA spec sheet actually refers to.

  • GaN
  • Thermals
  • Density
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PD 3.1 and 140W: reading a multi-port power budget
Protocols · 6 min

PD 3.1 and 140W: reading a multi-port power budget

How USB Power Delivery 3.1, PPS and Quick Charge share a fixed wattage budget across ten ports, and why "PD 140W" is a lead-port figure.

  • PD 3.1
  • PPS
  • QC 3.0
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Choosing a port mix for a mixed device fleet
Specification · 5 min

Choosing a port mix for a mixed device fleet

USB-C or USB-A, and how many of each. A practical method for matching port count to the devices that will actually be plugged in.

  • USB-C
  • USB-A
  • Deployment
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What an eight-hour aging cycle catches
Quality · 4 min

What an eight-hour aging cycle catches

The four QC checkpoints between component reel and pallet wrap, and why the aging bench is the one that decides your field failure rate.

  • QC
  • Aging
  • AQL
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Charger and power bank certifications by market
Compliance · 6 min

Charger and power bank certifications by market

CE, FCC, RoHS, BSCI, PSE, KC, CCC, SAA — which marks travel with the shipment, and what lithium cells add to the paperwork.

  • CE
  • FCC
  • UN38.3
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How an OEM charger order runs, step by step
Sourcing · 6 min

How an OEM charger order runs, step by step

From port-mix brief to pallet: MOQ tiers, tooling, sample sign-off, lead times and payment terms on a LEVA private-label build.

  • OEM
  • MOQ
  • Lead time
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Shipping power banks: UN38.3, MSDS and freight choice
Logistics · 5 min

Shipping power banks: UN38.3, MSDS and freight choice

What lithium-cell documentation covers, why sea freight is the default for power banks, and how to plan a launch date around it.

  • UN38.3
  • MSDS
  • Freight
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