ANVOW Rechargeable AAAA Batteries for Charger + 2 Batteries, black\nProduct Details\n--Publisher: ANVOW\n--Publication date: 0\n--Item weight: 32 g\n--Dimensions: 14.8 x 17.4 x 4.5 cm\n--AAAA Smart Battery Charger: ANVOW Ni-MH/ NI-CD battery charger, specifically for AAAA battery. Input DC 5V/200mA, Output DC 1.5V/200mA. Nice shedding heat, short circuit and input voltage detection, automatically switches to trickle charge when charging is complete to ensure max.\n--Rechargeable AAAA Batteries: The AAAA Ni-MH batteries cell 1.2V/400mAh, 35-45min fast charging and up to 1200 cycles, no need to buy batteries frequently. We suggest every 3 months to charge the battery to protect the battery with more long life.\n--Energy Saving & ECO Friendly: Cadmium and Lead are not used in these batteries; ANVOW AAAA batteries can be recharged 1000+ times, saving thousands of alkaline batteries and reducing a significant about of landfill waste.\n--AAAA Batteries for Surface Pen: ANVOW Rechargeab.