This charger is designed for battery whose capacity is over 2000mAh.
The LED on charger is red when charging; when the battery is fully charged, LED turns green.
Health Cabin also carries regular Aspire 420mAh USB Charger for your choices.
Note: 
If customers want to plug this USB charger to a wall adaptor to charge the battery, please make sure the output current of the adaptor is greater than 1000mAh, so as  to protect the adaptor and get better charging experience.
Brand: Aspire
Unit: 1pc
Threading: 510/eGo
Output: DC 4.2V 1000mah 
Input: DC 5V 1200mah
Color: Black