Please turn on the battery switch to position "I" when you're charging. The LED indicator of the AC/DC charger will change from Red to Green if the battery is fully charged. TalentCell Rechargeable Lithium-ion Battery Pack is designed specifically to integrate with our Light bars, Flexible LED Lights, Digital cameras, Booth lighting, Bluetooth speaker, Smartphone, and most 12V or 5V electronic devices. The Lithium Ion Battery Pack can be recharged without limitations, as the battery is designed for a slow charge process (8 hours for full charge), which helps the battery pack last longer. Package content: 1x DC 12V 3000mAh Li-ion Battery Pack 1x DC5521 1 Female to 2 Male Power Splitter Cable 1x 12.6V/0.
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