Rudolph R-N R Posted December 7, 2013 Share Posted December 7, 2013 Checking out manual before buying board. Want to use at parties, park, etc. The big selling point are the speakers and the battery power. The manual says not to use rechargeable batteries!!! That would make the battery operation unfeasible. Please tell me it's not so!!! Quote Link to comment Share on other sites More sharing options...
Brad Saucier Posted December 7, 2013 Share Posted December 7, 2013 We've been through this before and the official answer from Casio in Tokyo is "NO rechargables".. We don't know exactly why and to my knowledge no one has ever tried to use rechargables in Casio boards. Here's one of the discussions...http://www.casiomusicforums.com/index.php?/topic/4345-using-batteries-as-described-in-the-px-5s-basic-manual/?hl=rechargable Quote Link to comment Share on other sites More sharing options...
Rudolph R-N R Posted December 7, 2013 Author Share Posted December 7, 2013 Unfortunately that discussion doesn't really say why other than the lower 1.2 volts. Doesn't make sense- alkaline batteries, when run down, go below 1.2 volts. I wonder as well if there were rechargeables that ran at 1.5 volts if they would be OK. I'll probably run a 12 volt battery (motorcycle sized) and power the board through the ac adapter in. Quote Link to comment Share on other sites More sharing options...
Display Name Posted December 9, 2013 Share Posted December 9, 2013 Yeah I asked that a while back - not sure what the reason is but I don't want to risk my Casio to find out. I do know that the speakers and amp use up a lot more battery than just the keyboard. They make PA's with larger rechargeable battery packs - that may be an option? Quote Link to comment Share on other sites More sharing options...
Rudolph R-N R Posted December 16, 2013 Author Share Posted December 16, 2013 Yeah, I've got a Crate Limo- 50 watts into a 10" speaker, plug it in when you get home, works great. It's just that i I wanted to find something that was fairly loud by itself, and of course rechargeables are a lot cheaper. It is great however that the board will run on batteries. Was wondering- how loud would you describe the WK-7500 to be? If you've heard the Korg SP-280 (plug in power), at 22w x 2, that describes the EXTREMELY LOUD end of the spectrum. Some of the lower end boards are not that much beyond conversational loud. I haven't had a chance to try out the 7500 yet and am very curious. Quote Link to comment Share on other sites More sharing options...
Null Posted December 16, 2013 Share Posted December 16, 2013 How about plugging it into an APC Home Computer UPS? The current draw would be small so you'd probably get 8 hours of play from it. It'd be an extra 10 lbs or so to lug along but I bet you could play all day with this plugged in. You could also plug a small amp into it in a pinch. http://www.amazon.com/APC-BE750G-Saving-Battery-Back-UPS/dp/B000Z80ICM/ref=sr_1_1?ie=UTF8&qid=1387217064&sr=8-1&keywords=apc+ups+750 Plus when you do firmware updates you wouldn't need to fear power outages Quote Link to comment Share on other sites More sharing options...
Display Name Posted December 16, 2013 Share Posted December 16, 2013 The WK is 7w x 2.. About as loud as computer monitor speakers.. maybe a little more than conversational loud but I would still use an amp if I was playing out. Quote Link to comment Share on other sites More sharing options...
Null Posted December 17, 2013 Share Posted December 17, 2013 Actually having given it further thought, an APC UPS would not do the job well enough. It emits an annoying beep every minute or so while mains power is disconnected. However, a battery powered inverter device would be perfect. http://www.amazon.com/Duracell-DRPP300-Powerpack-300-Watt-Emergency/dp/B009YR00L4/ref=sr_1_2?s=automotive&ie=UTF8&qid=1387242673&sr=1-2&keywords=battery+power+pack Quote Link to comment Share on other sites More sharing options...
Brad Saucier Posted January 19, 2014 Share Posted January 19, 2014 Yes, they have low battery warnings. Quote Link to comment Share on other sites More sharing options...
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