Bosch Powerpack 400W
$11 PER WEEK
Planning a full day out on your bike? Heading out an a weekend bikepacking adventure? Or just want to not worry about charging up as often? An extra Bosch Powerpack 400 is exactly what you need. Charge it fully in around 3.5 hours, lock it into the Tern GSD's second battery slot, and you're all set to ride up to 85 km further than with just a single battery.