WE CARRY OUT Li-Ion BATTERY PACK TESTING, IN ACCORDANCE WITH
UN38.3
AS WELL AS PN-EN 62133-2:2017 STANDARDS
Tests of rechargeable batteries, in accordance with
UN38.3 recommendation
Their purpose is to check whether the rechargeable battery’s construction is safe for shipping/transport.
Tests of rechargeable batteries and cells, performed in accordance with the
PN-EN 62133-2: 2017 standard
Their purpose is to check if a rechargeable battery is safe during use.
Recommendations concerning
SHIPPING DANGEROUS GOODS

Why is it worth to make sure to test rechargeable batteries intended for transport and subsequent use?