The term nickel-iron battery is identified in base64 scheme by the sequence bmlja2VsLWlyb24gYmF0dGVyeQ==, while the MD5 signature is equal to 271f0c507693ccaae2aa37373b653755. The ASCII encoding of nickel-iron battery in hexadecimal notation is 6e69636b656c2d69726f6e2062617474657279.