Battery charger

[KenD]

I know refreshing works wonders on NiCd and NiMH batteries, but LiIon I have no clue about.

Li-ion batteries aren't subject to a memory effect.

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[ShowerHead]

I 'refresh' my older batteries by taking them out of service.
Then again, I have only 8 batteries at any given time. All bought as one lot, all alike, all retired at the same time.

 

[Outcast]

This is what I ended up getting


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[DaveP]

I do not have a wiring diagram, but I suppose it's possible they're using they're own buck/boost/capacitor setup to deliver 8 amps off of a 4 amp adapter. All I know is that it works! If you really want tech, there's a complete review on candlepower forums...

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That would likely be a strobing charge where it alternately hits bays 1-3-5-7 and then 2-4-6-8 in sequence to keep the load at 4A. The must be how the magic occurs.

 

[Outcast]

Or a chip booster in the charger kind like how regulated mods work on amps


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[Mooch]

Or a chip booster in the charger kind like how regulated mods work on amps


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There was another reply earlier that covered this.
The input is 12V x 4A = 48W. Subtract 5W for inefficiencies in the circuitry and you have 43W available.

8 channels x 1A x 4.2V = 32.8W
Add 10% for inefficiences = 37W required for charging 8 channels simultaneously at 1A each.

No problem.

 

[Wheelin247]

There was another reply earlier that covered this.
The input is 12V x 4A = 48W. Subtract 5W for inefficiencies in the circuitry and you have 43W available.

8 channels x 1A x 4.2V = 32.8W
Add 10% for inefficiences = 37W required for charging 8 channels simultaneously at 1A each.

No problem.

Mooch, is it worth spending the money to get a charger that will refresh the cells (such as the Opus BT-C3100) or is it unnecessary to do that and just a waste of money to buy another charger when the one I have now charges the cells fine. Will refreshing throughout the cells life cycle be able to allow for a longer life?


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[Outcast]

I read somewhere that @Mooch said refreshing cells make no significant difference


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[Mooch]

Mooch, is it worth spending the money to get a charger that will refresh the cells (such as the Opus BT-C3100) or is it unnecessary to do that and just a waste of money to buy another charger when the one I have now charges the cells fine. Will refreshing throughout the cells life cycle be able to allow for a longer life?


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Refreshing is useless for li-ion batteries unless they have been in storage for many months. If that has happened, just use them for a cycle and they will "refresh" themselves.

 

[Wheelin247]

Refreshing is useless for li-ion batteries unless they have been in storage for many months. If that has happened, just use them for a cycle and they will "refresh" themselves.

So a waste of money. Thanks!


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