The External battery slide pack for the DVR500 is great for versatility and covert worn applications. When joining this unit with the DVR500 (DVR500 not included) you will increase the recording time up to 270 minutes. This unit features direct DC 12V power output to DC12V camera. Easy and simple to use this is a must have accessory for the DVR500.
Note on charging
Be sure the DC 12V out on/off switch is set to off before charging unit. When the unit is fully charged the charging indicator light will go off, fully charge before use. Recharging time 10 hours
• Built in 3.7V 3760mA
• high capacity rechargeable lithium battery
• Hinge clip on design
• Holds DVR500 securely
• Increase recording time up to 270 minutes
• External battery unit
• Carry case
3 1/2" x 2 1/4" x 1 1/2"