SL-Class (R230) 2003 -- 2012: Discussion on the SL500, SL550, SL600

SL/R230: Solar battery charger

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Old 08-20-2022, 05:58 PM
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2004 SL500
Solar battery charger

Has anyone found a solar charger that is suitable to maintain the consumer battery? Really chaps my butt to have to connect a maintainer on this supposedly superior car- my XK8 can sit for a long time, and fires right up- as do all my Ford stuff
Old 08-21-2022, 06:03 PM
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Would really depend on the severity of the discharge on the consumer battery. If only a light discharge then may find one with an output bigger than the discharge, but if a big discharge, then you may need a solar farm....
Old 08-22-2022, 04:17 AM
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SL 350 R230 (3.7L with AMG Speedshift autobox)
How long are you leaving the car between uses? I got rid of my rear battery and bought a Mercedes Genuine battery as I had issue, that was 3 years ago and I never use any trickle charging. I use the car every 5-6 weeks with no starting issues even in winter.

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