Comments about Promariner Battery Bank Cable Extender - 5:
Easy to install, with my new battery charger. My only criticism of this Promariner product is that the cable-to-cable connection is not waterproof. With 2 Promariner cable extenders, both batteries have easily been brought up to "full charge" and are now just on a "trickle".
Bottom Line Yes, I would recommend this to a friend
Flush or surface mount this remote battery status
indicator. Provides "push to test" status for up to 3 batteries with easy to read LED indicators. Comes with 10 cable. Surface mount dimensions: 2 1/2" x 3 5/8". Flush mount cutout ...