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How to restore a lead-acid battery using simple means without using expensive purchased programmable power supplies and chargers. Let's use an old technique used in villages and where there are simply no stores with chargers. The method is, of course, an emergency one, but it is suitable for those who know how to handle electricity and do not want to spend money on fashionable electronic units that do the same thing as a simple homemade circuit made of a diode and a light bulb. ★★ MY SELECTIONS OF USEFUL VIEWS ★★ ► SOLAR BATTERY FROM A CD • SOLAR BATTERY FROM A CD Check ... ► SOLAR ELECTRICITY from PELTIER • FREE ENERGY ???? SOLAR BATTERY from CHO ... ► WILL A CANDLE CHARGE A PHONE • WILL A CANDLE CHARGE A PHONE? ► LED SOLAR BATTERY • FANTASTIC SOLAR BATTERY Tags: #DIY #experiments #schemes ══════════════════════════════════════ ✔ Official blog: https://zen.yandex.ru/dima ✔ Vkontakte group: https://vk.com/id26168899 ✔ Support the channel with money NO WAY! ▶ Odnoklassniki: https://ok.ru/profile/570092326202/ ▶ Facebook: https://www.facebook.com/profile.php?... ════════════════════════ ═════════════ 非枯燥的教育与视觉的例子和实验 自学成才或自学成才—在没有老师帮助的情况下,在任何教育机构之外独立接受或已经接受教— क शिक्षक की मदद के बिना, किसी भी शिक्षण संस्थान की दीवारों के बाहर शिव ्यक्ति ।