Canon Knowledge Base - Charging the Battery (EOS Rebel T7)
Solved: 1DsMKII Battery Charger. - Canon Community
Canon R3 Battery & Charger Guide - RFShooters.com
2x NB-5L 3.7V 1400mAh Digital Li-ion Battery Pack For Canon Camera &USB Charger
Pickle Power 2X1500mAh LP-E5 Camera Battery with Dual USB Charger for Canon EOS Rebel XS, Rebel T1i, Rebel XSi,450D,500D,1000D,Kiss X3, Kiss X2, Kiss F: Amazon.co.uk: Electronics & Photo
Canon Knowledge Base - Procedure for charging the battery (NB-4L)