• 298 Answers SOURCE: NiCD and LiOn batteries have this tendency. They work great for a year, then slowly die off. The problem is you. When new, the device MUST be charged for 14hr nonstop, then every 2-3 months run dead, and recharged again 14hrs nonstop. This is done so the CPU of the Roomba (cool toy) KNOWS what DEAD is and what FULL is.

Rasshifrovka kodov oshibok bmv e65. It does this by measuring the amount of currrent flowing thru a very precise resistance. If you do hit and miss charge cycles of the roomba or leave it charging too long, it either develops a flase memory of the above two conditions, or gets HOT and the electrolyte paste dries out. Fix is to wear it out, charge 14hrs, wer it out againand repeat 3-4x. Then recharge and use. If that doesn't fix it, the batteries are too dried and need to be replaced. Posted on Apr 08, 2009.

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(12 Volt DC Portable Power Source) USER’S MANUAL. This unit has a sealed lead acid battery that should be kept at full charge. Recharge when first received, immediately after each use, and every three months if not used (this charger contains a smart circuit which allows it to be left on charge continuously without damage).