<div dir="auto">That’s great info, yeah it makes sense that OTS didn’t do much noise mitigation, it seems like they came up with a working design and haven’t changed it much over the years. I’ll stick with the batteries too, just another thing to add to the checklist!</div><div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Thu, Jul 2, 2026 at 2:52 PM Cliff Redus via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div style="font-family:"times new roman","new york",times,serif;font-size:16px"><div style="font-family:"times new roman","new york",times,serif"></div>
<div dir="ltr" style="font-family:"times new roman","new york",times,serif">Justin, in the early days on the R300, I switched from the battery pack in the <span style="font-family:"times new roman","new york",times,serif">OTS SSB-2010 Radio to the power supply of my boat. Big mistake. Over the years, I have dealt with all kinds of noise that the <span style="font-family:"times new roman","new york",times,serif"><span style="font-family:"times new roman","new york",times,serif;font-size:16px;color:rgb(0,0,0)">SSB-2010 apparently cannot filter out. I did not figure this out till much later. My guess is there was never a need for OTS to invest much in filtering power because with divers, the self-contained battery pack with short leads from the pack to PCB in the radio does not genrate my electrical noise. I have since switched back to using rechargeable batteries like Jon mentions. It is a pain in the butt, but given all the PWM noises my motor controllers make and the PWM on my exterior lights, it's for the best.</span></span></span></div><div style="font-family:"times new roman","new york",times,serif"><br></div>
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On Thursday, July 2, 2026 at 02:49:46 PM CDT, Justin Helland via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank" style="font-family:"Helvetica Neue",Helvetica,Arial,sans-serif">personal_submersibles@psubs.org</a>> wrote:
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<div style="font-family:"Helvetica Neue",Helvetica,Arial,sans-serif"><div id="m_8132253303000474988ydpb6fde794yiv4210810934" style="font-family:"Helvetica Neue",Helvetica,Arial,sans-serif"><div style="font-family:"Helvetica Neue",Helvetica,Arial,sans-serif">Thanks Jon! Has anyone here ever powered their comms from the sub, or are you all just running with batteries?</div><div style="font-family:"Helvetica Neue",Helvetica,Arial,sans-serif"><br><div style="font-family:"Helvetica Neue",Helvetica,Arial,sans-serif"><div dir="ltr" style="font-family:"Helvetica Neue",Helvetica,Arial,sans-serif">On Thu, Jul 2, 2026 at 11:44 AM Jon Wallace via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" rel="nofollow" target="_blank" style="font-family:"Helvetica Neue",Helvetica,Arial,sans-serif">personal_submersibles@psubs.org</a>> wrote:<br></div><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex;font-family:"Helvetica Neue",Helvetica,Arial,sans-serif"><div style="font-family:"Helvetica Neue",Helvetica,Arial,sans-serif"><div style="font-family:"new times",serif;font-size:16px"><div style="font-family:"new times",serif"></div>
<div dir="ltr" style="font-family:"new times",serif">A couple of examples:</div><div dir="ltr" style="font-family:"new times",serif"><br></div><div dir="ltr" style="font-family:"new times",serif"><a href="https://www.amazon.com/dp/B01N91OF9H" style="font-family:"new times",serif" rel="nofollow" target="_blank">https://www.amazon.com/dp/B01N91OF9H</a></div><div style="font-family:"new times",serif"><br></div><div dir="ltr" style="font-family:"new times",serif"><a href="https://www.amazon.com/dp/B0D4M581B3" style="font-family:"new times",serif" rel="nofollow" target="_blank">https://www.amazon.com/dp/B0D4M581B3</a></div><div style="font-family:"new times",serif"><br></div><div style="font-family:"new times",serif"><br></div><div style="font-family:"new times",serif"><br></div><div style="font-family:"new times",serif"><br></div><div style="font-family:"new times",serif"><br></div>
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On Thursday, July 2, 2026 at 02:05:30 PM EDT, Justin Helland via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" style="font-family:Helvetica,Arial,sans-serif" rel="nofollow" target="_blank">personal_submersibles@psubs.org</a>> wrote:
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<div style="font-family:Helvetica,Arial,sans-serif"><div id="m_8132253303000474988ydpb6fde794yiv4210810934m_2901750318837877988ydp2e6d886yiv5563510678" style="font-family:Helvetica,Arial,sans-serif"><div style="font-family:Helvetica,Arial,sans-serif">Oh nice, that would work perfectly! Mine were off eBay and they came with the original battery but they don’t seem to hold a charge very well. Let me know if you have pictures or links to the AA one</div><div style="font-family:Helvetica,Arial,sans-serif"><br><div style="font-family:Helvetica,Arial,sans-serif"><div dir="ltr" style="font-family:Helvetica,Arial,sans-serif">On Thu, Jul 2, 2026 at 10:52 AM Jon Wallace via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" style="font-family:Helvetica,Arial,sans-serif" rel="nofollow" target="_blank">personal_submersibles@psubs.org</a>> wrote:<br></div><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex;font-family:Helvetica,Arial,sans-serif"><div style="font-family:Helvetica,Arial,sans-serif"><div style="font-family:serif;font-size:16px"><div style="font-family:serif"></div>
<div dir="ltr" style="font-family:serif">I have not seen a "pack" replacement, but as Alec said, my units came with a generic 8-AA plastic battery holder with a 9-volt type wiring harness. Better off using this and AA lithium batteries that can be recharged via an external charger. Walmart has an 8-pack battery charger for $22.</div></div></div><div style="font-family:Helvetica,Arial,sans-serif"><div style="font-family:serif;font-size:16px"><div dir="ltr" style="font-family:serif"><br></div><div dir="ltr" style="font-family:serif">Jon</div><div dir="ltr" style="font-family:serif"><br></div><div dir="ltr" style="font-family:serif"><br></div><div style="font-family:serif"><br></div>
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On Thursday, July 2, 2026 at 01:12:40 PM EDT, Justin Helland via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" style="font-family:Helvetica,Arial,sans-serif" rel="nofollow" target="_blank">personal_submersibles@psubs.org</a>> wrote:
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<div style="font-family:Helvetica,Arial,sans-serif"><div id="m_8132253303000474988ydpb6fde794yiv4210810934m_2901750318837877988ydp2e6d886yiv5563510678m_-4939183055314795581ydp1567db4ayiv9999143455" style="font-family:Helvetica,Arial,sans-serif"><div dir="ltr" style="font-family:Helvetica,Arial,sans-serif">Greetings! Have any of you found a decent off the shelf battery as a replacement for the OTS 12v NiMH battery in the SSB-2010? I could probably build one with spare cells I have lying around, but I was just wondering if there's anything out there that's cheaper than the $150 OTS wants for the official replacement. </div>
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