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DEEP CYCLE BATTERIES and BUSH POWER
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<blockquote data-quote="condor22" data-source="post: 144895" data-attributes="member: 1932"><p>Pablo,</p><p></p><p>You are correct the CTEK is 240V, I was too quick to cut and paste. I'm a Redarc user so I'll give that as my excuse, lol</p><p></p><p>The 20A CTEK DC-DC is the D250S Dual and from what I can see the smallest.</p><p></p><p>The problem I have with the CTEK is that it states the maximum input voltage at 23volts and doesn't specify a minimum. Whereas the Redarc has an input voltage range of 9volts to 32volts, but maintains the correct output voltage.</p><p></p><p>This is better to accommodate voltage drop in cables and also higher input from solar panels. I think the Redarc dual is the BCDC1225. You can use vehicle alternator or solar as input.</p><p></p><p>However as noted a 120W solar panel + a 10A regulator would be cheaper. For small recharge this is fine, but for the bigger batteries and loads I run, I need the security of a known sufficient charge.</p><p></p><p>Be careful that you get a reasonable quality panel and a "smart charging" regulator to maximise battery life.</p></blockquote><p></p>
[QUOTE="condor22, post: 144895, member: 1932"] Pablo, You are correct the CTEK is 240V, I was too quick to cut and paste. I'm a Redarc user so I'll give that as my excuse, lol The 20A CTEK DC-DC is the D250S Dual and from what I can see the smallest. The problem I have with the CTEK is that it states the maximum input voltage at 23volts and doesn't specify a minimum. Whereas the Redarc has an input voltage range of 9volts to 32volts, but maintains the correct output voltage. This is better to accommodate voltage drop in cables and also higher input from solar panels. I think the Redarc dual is the BCDC1225. You can use vehicle alternator or solar as input. However as noted a 120W solar panel + a 10A regulator would be cheaper. For small recharge this is fine, but for the bigger batteries and loads I run, I need the security of a known sufficient charge. Be careful that you get a reasonable quality panel and a "smart charging" regulator to maximise battery life. [/QUOTE]
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Outdoor & Recreation
Camping
DEEP CYCLE BATTERIES and BUSH POWER
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