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Rudy Marcelletti, K8SWD
Nope--mine works fine. Battery Tender charger. The charger will go into float when the rig is trickle charging, however, if you set the rig to use its higher charge rate then the charger will remain in the second stage. I just did that last night. I had 15 minutes left of charge on the rig and shut it off and the charger immediately jumped to float, indicating the battery in my go-box was full charged.
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I use a Rigrunner strip (5 outlet) rubberbanded to a 7 AH SLA and power every thing from that. The first outlet on the Rigrunner strip is for the charger, then the next one goes to the battery, then the remaing ones go to the rig, amp, tuner, clear speech dsp, etc. Rudy Marcelletti, K8SWD ----- Original Message -----
From: rudeparts To: FT817@... Sent: Sunday, July 13, 2003 8:31 AM Subject: [FT817] Battery charging... No, nothing to do with solar cells! I have a 7AH Yuasa SLA battery and a three-stage AC charger for it. It all works fine, and will be part of my HF backpack when the UK authorities give us no-coders full access later this month (we hope!). In the past, I've always float-charged such batteries while using them to power various bits of equipment. However, with the FT-817 the three stage charger doesn't always go into the third stage - I suspect because the Yaesu continues to trickle charge the internal NiMHs and the extra current fools the charger into thinking the main battery still needs second-stage charging. Is this right? I thought the change between stages in lead acid battery charging were marked by voltage, not current, so I'm not sure my initial idea is correct. And if it is, is there an elegant way around the problem? It can't be good for the SLA for it to be stuck in second-stage charging, I don't want to disconnect the charger and leave the Yaesu connected (if I forget, that'll discharge the SLA over time to past its safe point), and I don't want to be faffing around removing and replacing the internal NiMHs. Rupert, G6HVY and steel tape measure dipole Yahoo! Groups Sponsor ADVERTISEMENT To unsubscribe from this group, send an email to: FT817-unsubscribe@... and for a great FAQ ( Frequently Asked Questions ) see Some really good technical info at: Please note that your messages and files sent to this group may appear anywhere on the Internet or in print without notice or compensation. Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. |
