• Kastar rechargeable 9V battery: High Capacity 680mAh, replace dry battery perfectly.
• Equipped with Micro USB charge port, which is convenient and efficient.
• Intelligent power chip inside to make sure the charge up to full-charge with constant voltage.
• Charge it anytime anywhere, no need to afraid that whether the battery run out.
• Short-circuit protection inside and it is unwarming for long time charging.

Package includes:

6 Batteries