When you're miles from camp and the trail keeps going, the Birch 48V 21Ah rear rack battery has your back. Designed for the Grolar AWD hunting eBike, it adds up to 70 more miles of range—letting you reach up to 155 miles on a single charge. With 1008Wh of high-output ternary lithium power, your rugged hunts, long days, and heavy loads are now backed by even more freedom.
Certified to UL2771 standards and equipped with a BMS & IP54 water resistance, it's tough, safe, and ready for the wild. The slide-in rail system with integrated lock makes mounting fast and secure. Recharges overnight in 9 to 10 hours—so you're always ready to ride at first light.