TECMATE 3807-0574 TM-575OptiMate™ 2 Duo Bronze Series Battery Charger Battery Charger/Maintainer - 4-Bank ANTIQUES Pretty sure this is Silk

Pretty sure this is Silk but not certain

Carbon fiber plates have high static and dynamic coefficient of friction for smooth positive engagement and release

Has an old repair on it

a swift advance was effected through the Siegfried Line

TECMATE 3807-0574 TM-575OptiMate™ 2 Duo Bronze Series Battery Charger Battery Charger/Maintainer - 4-Bank ANTIQUES Pretty sure this is SilkFeatures Versatile, fully sealed automatic battery maintainer Automatically saves, charges and maintains 12. 8 V 13. 2 V lithium or 12 V lead acid batteries Adaptive charge program adjusts to the battery type and condition Optimates 24 7 smart maintenance guarantees more battery power and longer battery life Specs Product Name Battery Charger Maintainer Power Connection Type Alligator Clamp Eyelet Connector SAE Plug Features 4 Charging Banks Units