Battery tender

Comments

• Franklin Posts: 4,747

  2011-03-23 08:50 edited 2011-03-23 08:50

  http://www.google.com/search?q=battery+charger+circuits&rls=com.microsoft:en-us&ie=UTF-8&oe=UTF-8&startIndex=&startPage=1&rlz=
• erco Posts: 20,261

  2011-03-23 08:51 edited 2011-03-23 08:51

  If you live near a Harbor Fright, you can often get one of these on sale for $6 or less with their 20% coupon:
  
  http://www.harborfreight.com/automatic-battery-float-charger-42292.html
  
  http://www.harborfreight.com/more-couponsusa.html coupon page