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Old 01-08-2018, 03:59 PM   #91 (permalink)
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Simba - '05 Seat Leon FR
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Possible solutions:

1 x 44Ah sealed-lead-acid ---------------------- ~10kgs / 22lbs
2 x 12Ah AGM + supercaps ------------------- 8.7kgs / 19.2lbs
no wooden box or hardware
1 x 20Ah AGM + supercaps ------------------- 8.0kgs / 17.7lbs
2 x 14Ah AGM + supercaps ------------------- 9.7kgs / 21.4lbs

Ideally it should be

2 x 16Ah lithium + supercaps ---------------- 7.4kgs / 16.35lbs

But this last one is out of the acceptable price range for just an experiment...

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Old 01-09-2018, 11:39 AM   #92 (permalink)
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little jona - '91 Dodge D 250 first gen cummins LE
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One of the pitfalls of AGM, the jell which is electrolyte has no ability to pass gas this is why AGM Chargers are specific.
over rate charge / discharge and it will generate hydrogen bubbles witch get traped and insolate the core reducing capacity. Batteries have a C rating . A C rating is the number of times above its capacity it is Happy charging or discharging lithium ion for example typically 1C charge 5c discharge Lithium Polymer 1C charge up to 90 C discharge with the advances in technology these numbers have been bumped up to 5c charge and 180 C discharge. RC cars batteries are getting closer to being capacitors but they're still batteries

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