Contrary polarity protection and distinguish from batteries, charging the rechargeable battery automatically
Led Displays Red for charging and green for charging completed
Dimensions and Weight:
Dimensions: 5.25" (134 mm) x 2.16" (55 mm) x 1.18 (30 mm)
Weight: 5.86 oz for Both Charger and Adaptor
Caution: Please take out of batteries after cutting off the power while finished charging; otherwise, the batteries keep discharging and effect the performance
-Do not make any changes to the charger, charger accessories or connectors, as this might cause electrical shortage, fire or over-heating during charging. We are not liable for the product is any changes are made to the charger accessories or connectors.