184.108.40.206 Maximum Allowable Quantities
|Type||Maximum Allowable Quantitiesa||Hazard Classification|
|Lithium batteries, all types||600 KWh||High hazardc|
|Sodium batteries, all types||600 KWh||High hazardc|
|Flow batteriesb||600 KWh||High hazardc|
|Other battery technologies||1200 KWh||High hazardc|
aFor batteries rated in amp-hours, KWh should equal rated voltage times amp-hour rating divided by 1000.
bIncludes vanadium, zinc-bromine, polysulfide-bromide, and other flowing electrolyte-type technologies.
cCan be permitted to be ordinary hazard classification if approved by the AHJ based on (1) a hazard mitigation analysis conducted in accordance with 220.127.116.11 and (2) large-scale fire and fault condition testing conducted or witnessed and reported by an approved testing laboratory that shows that a fire involving the stationary storage battery system is contained within the room for a duration equal to the fire resistance rating of the room separation required in 18.104.22.168.3.1 or 22.214.171.124.3.2, as applicable.