HR-3UTGA-8TN is an earth-conscious, revolutionary, rechargeable battery developed to promote a “lifestyle that values reusing and recycling” with a view to realizing a clean energy society. The motif is a “crayon set”. With this multi-color eneloop set, a user may use colors to remember which batteries are charged and which ones need to be recharged, and a user can lead a “lifestyle that values reusing and recycling” while having fun. Each battery is rechargeable 1,500 times, offering high economic efficiency and high durability. A fully-charged battery will be capable of discharging 75% of its initial capacity after three years.