{
 "id": "7.11c",
 "slug": "energy-storage-ups-batteries-and-bess-vrla",
 "url": "/parts/electrical-power-distribution-grid-to-rack/energy-storage-ups-batteries-and-bess-vrla",
 "name": "VRLA",
 "qualifiers": null,
 "layer": {
  "id": 7,
  "name": "Electrical: power distribution (grid to rack)"
 },
 "parent_id": "7.11",
 "children": [],
 "summary": "Valve-regulated lead-acid batteries, the older, lower-cost UPS battery chemistry that lithium-ion has been displacing in new installations.",
 "description_md": null,
 "ai_delta": null,
 "bottleneck_status": null,
 "scale_tiers": [],
 "density_modes": [],
 "scale_notes": null,
 "flow": [
  "power"
 ],
 "companies": [
  {
   "company_id": "enersys",
   "name": "EnerSys",
   "role": "manufacturer",
   "confidence": "inferred",
   "ownership_type": "public",
   "ticker": "ENS",
   "product_note": null,
   "note": null,
   "source_url": null
  },
  {
   "company_id": "narada",
   "name": "Narada",
   "role": "manufacturer",
   "confidence": "inferred",
   "ownership_type": "public",
   "ticker": "300068.SZ",
   "product_note": null,
   "note": null,
   "source_url": null
  },
  {
   "company_id": "c-and-d",
   "name": "C&D",
   "role": "manufacturer",
   "confidence": "inferred",
   "ownership_type": "private",
   "ticker": null,
   "product_note": null,
   "note": null,
   "source_url": null
  }
 ]
}