Description Shine Tool’s Universal 3.7V Battery Charger will simultaneously charge up to four 3.7V batteries. Its adjustable bays will automatically stop charging if the batteries are full. Smart charging system will also detect any incompatible or defective batteries, non-rechargeable batteries, or improper voltage. LED charging indicator will turn from red to green once batteries are fully charged to save on power. This Universal 3.7V Battery Charger product does not include batteries. Only the charger is included.
