Ravpower Car Jump start, Amazon Lightening deal, save 20% for £23.99 Sold by Sunvalleytek-UK and Fulfilled by Amazon
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Ravpower Car Jump start, Amazon Lightening deal, save 20% for £23.99 Sold by Sunvalleytek-UK and Fulfilled by Amazon

4
Found 8th Dec 2017
Warranty : 18+ 12 months after registration

Car Jump Starters RAVPower 300A 8000mAh car battery, Emergency Battery Booster with Dual Quick Charge 3.0 USB Charging Outputs, Built-In LED Flashlight
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4 Comments
It's with a heavyening heart that I coldening it
300 amp PEAK current, might start a moped.
They do work, but only if your car starts on first engine turnover, it won't crank the engine for more than a few seconds.

Heat for the price
Edited by: "mikerr" 8th Dec 2017
gazdoubleu2 h, 0 m ago

300 amp PEAK current, might start a moped.



90-100A Cold Cranking Amps is typical for a 6Ah Lead Acid battery that is in most 125s and starts them with ease.

A YTX12 12Ah battery fitted to the SV650 650cc V-twin bike only has a stated 180 CCA, and apart from when the battery is run down or old and has been standing at -5C for a long while will start that engine easily.

IF this unit can deliver the claimed 300A then it will be fine, however I'd be more interested in the spec of the battery cells in the unit, what is their stated capacity (C) in mAh, and whether they are a 20C, 25C or 30C discharge rating. Cars have been started using 5Ah LiPo RC model batteries, albeit they need to be high discharge rating and they are best left connected for a minute before starting.

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