Ostation 2 Smart 3-in-1 Battery Charger for AA & AAA Rechargeable NiMH & Li-ion Batteries, Polarity-Free, Auto Detection & Storage, App Control, Indicator Lights, Fast Charging (Batteries Not Incl.)

• Charger, tester, and organizer in one compact system. Stores up to 12 AA + 12 AAA rechargeable batteries, keeping power ready for homes, offices, and institutions
• Supports any brand of AA and AAA Ni-MH batteries, plus our Ecolast 1.5V rechargeable lithium AA batteries. Drop cells in any direction no (+)/(-) alignment needed.Please note that - because their safety cannot be validated
• Leading-edge per-cell management system checks each battery before charging. Only healthy batteries charge, while incompatible or unhealthy cells are automatically removed. Saves time and prevents mix-ups
• Instantly view each battery's type, charge level, and charging duration via the app. Ecolast 1.5V Li-ion cells also provide ID, recharge cycles, and health percentage
• This battery charging station adjusts charging current based on battery temperature faster when cool, slower when hot protecting your batteries while keeping charging efficient
• Safeguards against overcharge, overcurrent, overheating, overvoltage, and short circuits. Fully charges batteries in as little as 2.5 hours