Type-C Rechargeable: Plug directly into the battery with a Type-C cable, no separate charger needed. Easy and ready for regular use. Cost Effective: Rechargeable cells may seem costly at first but it’s a smarter investment in the long run. You pay for ten cells at once and get the power of 100. Eco-Friendly: 1 Reneo replaces 100 batteries, that’s 100 less batteries in the landfills. Here’s to powering up, the eco-conscious way! Low Discharge Mechanism: Designed for modern electronics, Reneo offers stable output, low self-discharge, and better long-term durability than Ni-MH or alkaline batteries.