Lithium 2170 21700 Battery Cell 5000mAh 14.4A INR2170 M50 LT - By The Case, EV West - Electric Vehicle Parts, Components, EVSE Charging Stations, Electric Car Conversion Kits
NiteCore NL2142LTHPi Li-Ion 21700 - 4200mAh, 3.6V LOW TEMPERATURE - PCB up to 15A | akkuteile.de
MB739 - Medical Battery suitable for Welch Allyn Propaq LT Insert Packs (Requires 2 Batteries)