Lynx Smart BMS 5.4. Electrical connections 5.4.1. Connect DC wires For all DC connections the following applies: All cables and wires connected to the Lynx module need to have been fitted with M10 (or M8) cable lugs. Pay attention to the correct placement and order of the cable lug, washer, spring washer and nut on each bolt when attaching the cable to the bolt. Tighten the nuts to a torque of 33Nm (17Nm for units with a serial number before HQ2340XXXX and 14Nm for the discontinued M8 model) Cable lug M10 bolt M10 Spring washer Lynx module Correct placement of the M10 (or M8) Cable lug, washer, spring washer and nut Page 9 Installation M10 Washer