ODIN
TECH GOD!
Official Answer
Yes, you can use a 16V Norsk marine battery to power your Lowrance electronics as it stays below the 17.0V threshold. If you choose to use a 16V DC to DC Charger, you will need to install a Norsk Evo-Tec DC to DC Voltage Regulator.
Answered by Odin TECH GOD!