KandyPens - Black 350 mAh Battery w/USB Charger - Vaporizer
TETRIX® MAX 12-Volt Rechargeable 3,000 mAh NiMH Battery Pack (W39057)
Battery mAh, Voltage, amp-hour, watt-hour | What Is mAh? | Electronics Basic | Ampere & Watt-h - YouTube
Amazon.com: UCEC Wii U Gamepad Battery, Wii U Accessories 3600 mAh Wii U Battery Replacement Rechargeable Battery Pack Compatible for Nintendo Wii U Gamepad : Video Games