{
 "digest": null,
 "links": {
  "fits": [],
  "members": [],
  "cases": [],
  "assemblies": []
 },
 "prints": [],
 "part": {
  "id": "waveshare-ups-3s",
  "name": "Waveshare UPS Module 3S (3x 18650, 5V 5A)",
  "kind": "",
  "method": "",
  "vendor": "waveshare",
  "sku": "",
  "model": "UPS Module 3S",
  "buy": [
   "https://www.waveshare.com/ups-module-3s.htm"
  ],
  "url": "https://www.waveshare.com/wiki/UPS_Module_3S",
  "category": "power",
  "owned_qty": 0
 },
 "facts": {
  "id": "waveshare-ups-3s",
  "name": "Waveshare UPS Module 3S (3x 18650",
  "vendor": "amazon",
  "url": "https://www.waveshare.com/wiki/UPS_Module_3S",
  "qty_owned": 2,
  "category": "power",
  "frame": "origin PCB plan bottom-left, Z=0 PCB bottom; connector row (XH/DC/Type-C leads) on X=0 short edge",
  "body": {
   "size_mm": [
    93.0,
    60.0,
    21.1
   ],
   "outline": "rounded-rect",
   "pcb_thickness": 1.6,
   "max_height_top": 19.5
  },
  "mounting": {
   "holes": [
    {
     "xy": [
      3.5,
      3.5
     ],
     "dia": 3.0,
     "notes": "inset typ. - positions NOT published"
    },
    {
     "xy": [
      89.5,
      3.5
     ],
     "dia": 3.0
    },
    {
     "xy": [
      3.5,
      56.5
     ],
     "dia": 3.0
    },
    {
     "xy": [
      89.5,
      56.5
     ],
     "dia": 3.0
    }
   ],
   "pattern": "86 x 53 assuming 3.5 inset - CALIPER-VERIFY (only hole dia 3.0 is official)",
   "notes": "stacks under a Pi with standoffs; battery removal needs top access"
  },
  "electrical": {
   "vin": "charge 12.6V 2A via DC5521; out: 5V 5A Type-C lead, 12.6V 2A XH2.54, 3V3 300mA + I2C header",
   "protocols": [
    "i2c"
   ],
   "notes": "press BOOT to wake protection chip on first battery insert; 3x 18650 series NOT included"
  },
  "cad": {
   "file": "amz-ups-3s.step",
   "fidelity": "envelope",
   "source": "amz-ups-3s.py",
   "verified": true
  },
  "sources": [
   {
    "facts": "93 x 60 plan, hole dia 3.0, ports, electrical",
    "ref": "Waveshare wiki (UPS_Module_3S, PDF mirror)",
    "date": "2026-07-23"
   },
   {
    "facts": "hole insets, holder block, heights",
    "ref": "typ. from product photos",
    "date": "2026-07-23"
   }
  ],
  "confidence": "hole POSITIONS and height are typ. - caliper-verify before drilling a mount plate"
 },
 "models": [
  {
   "handle": "sarg",
   "fidelity": "envelope",
   "verified": true,
   "visibility": "public",
   "url": "/m/sarg/waveshare-ups-3s",
   "files": [
    "amz-ups-3s.py",
    "amz-ups-3s.step",
    "part.yaml"
   ]
  }
 ],
 "related": {
  "notes": {
   "exact": [],
   "chip": [],
   "addr": []
  },
  "parts": {
   "variants": [],
   "interface": [],
   "mounting": [],
   "cooccur": [],
   "owners": [],
   "addr": []
  }
 }
}