In the dynamic world of data centers things are changing very fast, especially around batteries which has a knock-on effect on fire protection.  Two new battery trends are hot topics right now: centralised and decentralised. But are different the approaches to each really understood? And how can we adapt to either while ensuring regulatory compliance and sustained protection? This session explores the best approaches to remaining resilient for the best fire protection measures with li-ion batteries fire protection in centralised and decentralised UPSs.