И правильно, что не веришь. Вот что пишут корабелы про 20амперСообщение от akmit
http://www.ebay.co.uk/itm/NEW-12V-20...-/140936274297Viper Rechargeable Lithium Battery 12V 20 Ah
This Lithium Battery has been specially designed for use with Viper bait boats. Gives 2.5 hours running time on a viper boat flat out on full power. With normal usage you will get even more running time out of this battery. At half the weight of a Lead Acid battery, this lithium is also 5 times more efficient.
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