Brunton Sustain2 73Wh Rechrgble Pwr Pk.
The Brunton Sustain2 73WH Rechargeable Battery (Black) has smaller size, weight and capacity than the Impel, but with the same multi-charging functionality. The USB, 12 V, 16 V and 19 V outputs charge nearly all types of electronics, from cell phones to laptops. Durable rubberized housing holds up to life on the move.
