Need a massive battery for your project? This lithium-ion pack is made of 3 balanced 2200mAh cells for a total of 6600mA capacity! The cells are connected in parallel and spot-welded to a protection circuit that provides over-voltage, under-voltage, and over-current protection. https://elecena.pl/product/17497795/lithium-ion-battery-pack-3-7v-6600mah 2021-04-06 https://elecena.pl/product/17497795/lithium-ion-battery-pack-3-7v-6600mah 2021-06-29