Assertion: hearing aid's size | /r/CapableOf | offer good balance
Facets:
value: between size
type: OTHER
value: between battery life
type: OTHER
Source sentences:
text: The size 312 battery offers a good balance between size and battery life offering a relatively small size with more battery life than a size 10 battery, but less than the bulky size 13 battery required for high-powered hearing aids.