Bosch PowerMore 250 Range Extending Battery The smart system. PowerMore 250 is the additional battery the size of a water bottle for even greater range and longer-lasting trail fun. Compact in size and weighing just 1.5 kilograms the range extender mounts in place of a bottle cage on standard bottle bosses and the included cage can hold a standard water bottle when the extender battery is not needed. The PowerMore 250 can be combined with PowerTubes and CompactTubes of the smart system.

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