Thanks Matt! Log snippet follows. Let me know if you need anything else.
Z-Wave Debug RCVD nodeInfoFrame: 01 0B 00 49 84 14 05 04 07 01 5E 98 EC
Z-Wave Debug RCVD nonceFetch: node 020
Z-Wave Debug SENT nonceReport: 01 11 00 13 14 0A 98 80 C5 24 71 E7 15 A3 D6 43 25 F1 7B
Z-Wave Debug RCVD encryptedPacket: 00 84 07 (decrypted)
Z-Wave Debug RCVD nodeAwake: 01 08 00 04 00 14 02 84 07 FF
Z-Wave Debug . . nodeAwake: node 020
Z-Wave Debug SENT nonceRequest: 01 09 00 13 14 02 98 40 25 F2 FC
Z-Wave Debug RCVD nonceReport: node 020, nonce 6D 14 92 0D D0 9C D9 C5
Z-Wave Debug SENT requestBatteryLevel: 80 02 (encrypted)
Z-Wave Debug RCVD nonceReport: node 020, nonce 6A 55 D8 4D E9 FF 69 47 (saving)
Z-Wave Debug . . nodeAwake: inhibit count++ to 1
Z-Wave Debug . . nodeAwake: started inhibit sleep timer