WARNING: Electricity can be deadly! Capacitors will hold charge even when disconnected! This type of charger can damage batteries if built or used incorrectly. This video is a build documentation only, and does not claim to teach correct or safe practices.
Pr-assembled units can be purchased from Electronic Enterprises
[ Ссылка ]
Parts List
Large Capacitor (larger batteries, or battery banks, require larger, and/or more, capacitors)
45 5 uf Round Capacitor ($15) (this is the one we used)
[ Ссылка ]
Bridge Rectifier, 1000v 25a ($3)
[ Ссылка ]
120v (for USA) Power Supply Cord Cable ($7)
[ Ссылка ]
Battery Terminal Clamps ($12)
[ Ссылка ]
3-way Switch ($5)
[ Ссылка ]
Programmable Timer Switch ($25)
[ Ссылка ]
6 x 6 x 4 PVC Box ($25)
[ Ссылка ]
Cheap Voltmeter ($12 online. These practically free at Harbor Freight)
[ Ссылка ]
Heat Sink ($10 or build your own from 1/4" aluminum bar)
[ Ссылка ]
Wire-nuts, screws, wire spade connectors.
Tools
Wire Strippers / Cutters ($7)
[ Ссылка ]
Stepper Drill Bits ($10)
[ Ссылка ]
A drill and a saw
![](https://s2.save4k.ru/pic/F4LBClo-XmQ/mqdefault.jpg)