Yeah, I just need float service. So old fashioned flooded cell telco batts will last 20 years if kept in a climate controlled environment and not cycled.
From: Bill Prince Sent: Saturday, October 14, 2017 9:37 AM To: [email protected] Subject: Re: [AFMUG] Best battery values But you can deplete them double what SLA batteries will tolerate. That makes them 50 cents /watt-hour. Then they will last for 2X cycles of SLA batteries. That makes them ~~ 25 cents /watt-hour. Guess that's still high... bp <part15sbs{at}gmail{dot}com> On 10/14/2017 8:22 AM, Chuck McCown wrote: Scratch that, it was $1 per watt hour.� � From: Chuck McCown Sent: Saturday, October 14, 2017 9:08 AM To: [email protected] Subject: Re: [AFMUG] Best battery values � Interesting.� First place I checked was about 10 cents per watt hour.� I wonder if you have to have a special charger or if you can just float them like a regular AGM battery.� � From: Gino A. Villarini Sent: Saturday, October 14, 2017 9:03 AM To: [email protected] Subject: Re: [AFMUG] Best battery values � Lifepo4? Gino A. Villarini @gvillarini � � � Gino A. Villarini President Metro Office Park #18 Suite 304 Guaynabo, Puerto Rico 00968 On Oct 13, 2017, at 6:58 PM, "[email protected]" <[email protected]> wrote: Need to build a 2 kW UPS for my server rack at my office. � Eltek/Valere rectifiers for sure. � Not sure what inverter I will go with yet.� Gonna run 100% inverter with a transfer switch in the event the inverter dies.� � But what is the best value for batts these days.� � I see Rolls at 13 cents per watt hour. � Trojans for 16 cents (but they have ribs and a reservoir tip). � Got a quote for absolyte types for about 18 cents.� � What else is out there?� Truck starter batteries can be had for 10 cents but I doubt their longevity.�
