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Author Topic: What Battery Charger for Rolls Series 5000?  (Read 3846 times)
Scruff
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« Reply #30 on: June 14, 2018, 03:16:24 PM »

Scruff's Cure-All Battery Tonic

Remove any with dead cells.
Add water (not too much it expands as they charge....just cover the plates + some to gas off)
Simmer for the month @ 2.5V p/c @ C7000
Don't let the plates get exposed to air (add water as it boils off). Rainwater is fine.

If they don't hold 6.3V after that laisse tomber.

Some members here have adopted more aggressive methods of purging them and refilling....maybe life is too short maybe it isn't...
« Last Edit: June 14, 2018, 03:20:18 PM by Scruff » Logged
sticksville
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« Reply #31 on: June 14, 2018, 03:19:26 PM »

Thank you!
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heatherhopper
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« Reply #32 on: June 14, 2018, 03:40:21 PM »

Now that history is interesting sticksville - thanks for sharing a bit more.

Pity you couldn't take Scruff up on his offer to renovate - would be more interesting stuff for this forum in these days of rather tedious grid-centric crystal ball gazing.

I give the batteries more than 35% chance but you are in better and more realistic hands than mine.

I think the turbine may be just a little too old for refurb. Not that expensive (if possible) considering the cost of a new equivalent.


Don't sell anything to anyone who talks faster than you can hear.

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Off grid AC coupled, 6kW Proven, 2.8kW PV, SMA SI/SB/WB Inverters, 4x576ah Rolls batteries @ 24v, 25kW Biomass Boiler, Wood Stoves, Spring/Well water. Sorry planet - I did try.
sticksville
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« Reply #33 on: June 14, 2018, 03:45:04 PM »

Unfortunately the PV panels and a few other bits and bobs have already gone Sad
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Scruff
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« Reply #34 on: June 15, 2018, 02:44:34 AM »

...would be more interesting stuff for this forum in these days of rather tedious grid-centric crystal ball gazing.

'tis a bit innit....

Here have some 12v teasers Dear HH to cheer yerself up...I'm almost finished the latest evolution of the true grid hopping heroine...

Plenty more to follow in a month or seven.  Wink



Photo's old. I've gone MPPT since and tidied up the diodes.

250A Bus, 265Wp PV fixed, 150A diesel electric delivering 110A continuous @ 50% SOC with 40A running load. Hybrid solar controller; 20A PV/20A Mains Rectifier Changeover. Automatic split charge 20A, manual split charge 150A. Dual sensed shunt (TriMetric 2025RV (Excellent meter) & Victron BMV (good enough meter with some very annoying features)) Base load 0.3W. ballspin

I've decommissioned all my other systems...I have the guts of 4 in the wings all told...
« Last Edit: June 15, 2018, 02:58:18 AM by Scruff » Logged
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