Don't worry - The blinking doesn't mean that there is an error. The green LED on the charger indicated that you properly plugged the battery pack into it. While it is charging, it will continue blinking. When charging is complete, the light will stay steady green.
Beside this, can you use Duracell batteries in an Energizer battery charger?
I recharged Rayovac AA rechargeable batteries but the manufacturer shouldn't matter (Energizer, Duracell, etc). The EBL charger package states it will charge AA/AAA NI-MH/NI-CD rechargeable batteries. It can charge Energizer "rechargeable" batteries, not the standard alkaline batteries.
How long does it take to charge a Duracell rechargeable battery?
Value charger/CEF-14 - Charge any AA/AAA Batteries. The Duracell Ion Speed 1000 NiMH Battery Charger will recharge your batteries in 4-8 hours* with 1000 mW** of charging power.
How long do Duracell rechargeable batteries last?
With its Long-Life Ion Core technology you get amazing power in every battery. Plus, they come pre-charged and ready to use. They are guaranteed to last for 10 years* and they will hold a charge for up to 1 year when not in use.