I've only had this product for a few months, but so far has met my expectations and save me quit a bit of money. I use the 9V batteries on my tens unit and was going through batteries every 2-3 weeks. I'm currently using the same battery I started with.
EBL AA Rechargeable Batteries 4 Pack + Individual Cell π 916 Battery Charger - Combo Deal for Rechargeable AA/AAA Ni-MH/Ni-CD Batteries
35 Review
TalentCell 12V Lithium-Ion Battery Pack For LED Strips, CCTV Cameras & More β Rechargeable With Multi-LED Indicator
44 Review
Arlo Pro 3/4/Ultra/Ultra 2 Rechargeable Battery Charger With LED Display - Dual Station For Arlo Batteries Only
3 Review
Battery Organizer Storage Case With Tester - Holds AA AAA AAAA 9V C D Lithium 3V Batteries (Batteries Not Included)
24 Review