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Questions tagged [battery]

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2 votes
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"Non-Retail" House Battery

I need a ~3.5kw battery to power an emergency circuit if the power goes down. I've been quoted $13,000 to add an LG Chem 9kw to our existing system but that does not include the inverter upgrade. ...
acpilot's user avatar
  • 189
1 vote
0 answers
64 views

i'm having trouble with battery not charging

I think I have a battery going bad. Charged over nite and light read charged. but in the first 15 mins it died on me how long does it take to charge a hitachi battery 18v
Robert Reid's user avatar
1 vote
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43 views

Using excess energy during float phase - am I using up my batteries' cycle life?

I have a hybrid power system: 3kW solar; 2kW wind turbine; 1kW water wheel, that feed a 48v (flooded lead acid) battery bank. Presently, after absorption charging is complete and the system goes into ...
xirt's user avatar
  • 193
1 vote
1 answer
1k views

Solar Charge Controller and grounding the battery

I am just getting my feet wet, so I have one 100 watt panel and a 12v marine battery. I plan on running a small water pump to circulate water in a black hose to see if I can heat some water. The ...
Terrence's user avatar
  • 173
0 votes
0 answers
137 views

Ryobi Lithium+ 18V battery says fully charged but provides no energy

The lights on both the battery and the charger says it's fully charged. However, the battery fails to power either of my Ryobi fans. Both fans work just fine with my other Ryobi Lithium+ 18V ...
Kate R.'s user avatar
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42 views

Borehole system running on inverter

3kVA 240V inverter and three gel batteries 100Ah 12V. And I am only running my borehole system 1st pump .38kW, 2nd pump .75kW. The inverter lasts for five mins then goes off because of low battery.
Muaawiyah's user avatar
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382 views

How to connect a whole-house battery?

I've been curious about installing a small home battery (4 - 7 kWh) to take advantage of time-of-use (TOU) billing. The idea is that the battery charges from the grid off-peak and then the home ...
Aaron_H's user avatar
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799 views

Porter Cable NiCd 18V batteries - Lithium replacements?

Does anyone here have any experience with these tools and battery options? What about chargers? I understand the need for a different charger; my specific question is whether anyone has experience ...
Donald Locker's user avatar
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54 views

Battery terminal in wireless light switch corroded

I have a wireless light switch in my garage which uses 4 triple-A batteries. When the switch quit working recently, I took off the cover to replace the batteries and saw that the terminals were all ...
user1828's user avatar
0 votes
1 answer
419 views

Same Bosch batteries, but one battery only works in one tool, what can I do?

So, I have some BAT612 18V batteries from Bosch. I should be able to use both batteries with either of my tools (Angle Grinder - GWS18V-45PC, Drill - DDS181A), but one battery works in both tools and ...
GregTheHun's user avatar
-1 votes
1 answer
3k views

Wiring a Tesla Powerwall into an Existing Solar Install

I've been looking at the cost and feasibility of augmenting my existing 5kWh solar install with battery-backed storage to shift usage of the solar power that I generate to more useful times of the day/...
aroth's user avatar
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