Battery Chargers
Power Inverters
Powerpacks
Jump Starters
The way to avoid (NiCad) "memory effect" is to fully cycle (fully charge and then fully discharge) your battery at least once every 2 to 3 weeks.
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This is a Hi-Capacity Brand Auto/Air Adapter for your Asus A53U-XT2. The Hi-Capacity Auto/Air Adapter meets or exceeds original manufacturer power specifications for Asus A53U-XT2 Auto/Air Adapters.