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Ditch the lights and go LED. Then rethink your power source.

Mike

On Tue, Jul 21, 2015 at 12:52 PM, Christopher Carlton <[log in to unmask]>
wrote:

>  Many different configurations of these powerpacks are available with
> features like jump starters, and air pumps being typical. AC inverter
> equipped models such as the one under consideration are less common and
> more expensive. Battery size and amperage from the inverter are the
> critical elements for AC operation. Check the specs for battery amps and
> maximum output, in addition to run time under various loads.
>
>
>  Another thing to think about before buying an expensive inverter power
> pack is this. Infrequent use and chronic undercharge will kill the battery
> sooner. Battery life under optimal conditions might be a couple years if
> you keep it charged. Investigate how easy or even feasible it is to replace
> the battery.
>
>
>  Might be cheaper to just lug around a big marine battery and separate
> inverter you can clip to it.
>
>
>  Chris Carlton, Ph. D.
>
> Director, Louisiana State Arthropod Museum
>
> President, Coleopterists Society
>
> Department of Entomology, LSB-404
>
> 110 Union Sq., Baton Rouge, LA 70803-1710
>
>
>
>
>  *From:* Entomological Collections Network Listserve <
> [log in to unmask]> on behalf of Doug Yanega <[log in to unmask]>
> *Sent:* Tuesday, July 21, 2015 12:34 PM
> *To:* [log in to unmask]
> *Subject:* PS Re: Alternative to gas generator
>
>  Answering my own question:
>
> I found some customer reviews, and some quotes of the runtimes, and found
> this example:
>
> "William Toward
> <http://www.amazon.com/gp/pdp/profile/A2IG7GA537OI0U/ref=cm_cr_pr_pdp?ie=UTF8>on
> February 8, 2013
> After charging the powerpack, I tested the run time of two small
> appliances and one light bulb against the manual’s run times for listed
> appliances.
> 1. 400-watt heater ran 25 minutes (manual for 300-watts: 23 minutes).
> Recharge time: Forgot to time it.
> 2. 38-watt incandescent bulb ran 5 ¾ hrs. (manual for 40-watt bulb: 3 ½
> hrs) Recharge time: 22 hrs.
> 3. 200-watt hand heater (Lasko’s “My Heat”) ran 59 minutes (no manual
> listing for 200 watts). Recharge time: 19 hours.
> Based on the above appliance tests, I would say the Duracell powerpack is
> operating according to its specifications."
>
> If it only runs a 200-watt appliance for an hour, and a 40-watt for 5
> hours, that doesn't sound like it would last 3 or 4 hours running a
> 175-watt light rig. That's a shame - would've been nice to ditch the gas
> generator.
>
> Peace,
>
> --
> Doug Yanega      Dept. of Entomology       Entomology Research Museum
> Univ. of California, Riverside, CA 92521-0314     skype: dyanega
> phone: (951) 827-4315 (disclaimer: opinions are mine, not UCR's)
>              http://cache.ucr.edu/~heraty/yanega.html
>   "There are some enterprises in which a careful disorderliness
>         is the true method" - Herman Melville, Moby Dick, Chap. 82
>
>