Rechargeable AAA Batteries Lithium 925mWh True Capacity (TÜV Certified) - True 1.5V Constant Output & -30 Cold Resistant - 1000 Cycles for Medical Devices - 4 Pack

TÜV Certified TRUE 925mWh Capacity - No Fake Claims Unlike exaggerated 1200mWh labels, our capacity is certified by German TÜV (Report #ET2025). Get honest runtime that outperforms standard NiMH batteries, ensuring your devices work as long as promised.
Medical-Grade Voltage Precision - Prevents Device Errors Patented chip maintains a rock-solid 1.49 - 1.51V from full to empty. Stops glucose meters, hearing aids, and smart locks from malfunctioning due to power dropsa common flaw in NiMH and cheap lithium batteries.
TÜV Certified for Extreme -30 Climate Powers critical devices like outdoor cameras and security sensors in blizzards when ordinary batteries fail. Trusted by professionals in the harshest environments.
Hertzborn 4-Port Smart Charger - Safe & Rapid 1.5H Charge Charge 4 batteries simultaneously in just 1.5 hours. Features auto-shutoff and individual port management (UL/FCC certified) to prevent overcharging, ensuring safety and extending battery lifespan.
1000 Cycles = Massive Savings & Zero Guilt 1 Hertzborn battery replaces 1000 disposables, saving you $1500+. Backed by a 5-year warranty and TÜV-certified 1000-cycle lifespan, it' s the most reliable and eco-friendly choice.