This is one of the most argued about topics – particularly in regards to flashlights. The consensus is that batteries will survive because: The batteries are not connected to the electric system and thus won't be affected by the power surges of EMP. The metal casing of flashlights and other devices shields against EMP.

What devices would be affected by an EMP?

Therefore radar and electronic warfare equipment, satellite, microwave, UHF, VHF, HF and low band communications equipment and television equipment are all potentially vulnerable to the EMP effect. Cars with electronic ignition systems/ and ignition chips are also vulnerable.

Would batteries work after an EMP?

Would an EMP Attack Effect Batteries? Most batteries are able to survive an EMP of any magnitude without suffering damage. This is true for all common types of batteries including lead-acid, lithium-ion, alkaline, and nickel metal hydride.