Piles AAAA, Pickle Power 4 PCS Rechargeables NI-MH AAAA 500 mAh

Reliable Quality - No longer to worry about the endurance of the batteries, EBL AAAA Batteries will provide ultra strong power for your devices to work well and operate longer. Supercell Lattice - EBL batteries made in supercell lattice technology, make it more inner space to contain such high volume power juice, provide constant voltage and best performance in heavy load discharge.

EBL AAAA Batteries 1.2V 400mAh Ni-MH AAAA Rechargeable Batteries for Surface Pen 4-Count

PicklePower 8 Pack AAAA Rechargeable Battery for Surface Pen, Active stylus pens, Lenovo pen, Asus stylus - AliExpress

CP-C-021 Smart Charger: ANVOW Ni-MH/ Ni-CD battery charger, specifically for AAAA battery. Input DC 5V/400mA, Output DC 1.5V/2x200mA. Nice shedding

ANVOW - AAAA Batteries Rechargeable for Surface Pen Active Stylus - Size AAAA Battery Ni-MH 1.2V 400mAh - 2 Count (Charger Included)

Rechargeable Batteries Kit Charger Rechargeable Lr1 Battery - 750mah N Ni- mh Lr1 - Aliexpress

Picklepower 8 Pack Aaaa Rechargeable Battery For Surface Pen, Active Stylus Pens, Lenovo Pen, Asus Stylus - Rechargeable Batteries - AliExpress

EBL AAAA Rechargeable Batteries, 1.2V 400mAh Ni-MH AAAA Rechargeable Battery for Surface Pen, 4-Count : Health & Household

Plugging into the SUN

4 Piles Rechargeables Duracell 2500mAh AA / HR6

Pickle Power 500mAh AAAA Rechargeable Ni-MH Battery +LED USB Charger for Surface Pen,Active stylus pens,Digital pen - AliExpress