Gerbing 7V Rechargeable Battery The rechargeable 7V lithium battery pack delivers up to 8 hours of warmth and is compatible with all 7V vests, jackets, gloves, and accessories. It features an integrated microprocessor and an LED switch for status and power level checks, along with a secure power plug for a stable connection. Additionally, it supports dual-mode functionality, making it compatible with Gerbing Gyde 7V Bluetooth Temperature Controllers. Features: 2600 mAh Rechargeable 7 V lithium battery pack with keeps you warm for up to 8 hours Compatible with all 7 V vests, jackets, gloves and accessories Integrated microprocessor and LED switch Battery status monitoring Power level indication Secure power plug solution Dual Mode Compatible with Gerbing Gyde 7 V Bluetooth Temperature Controllers