Acumulator Lithium Polymer 20147 1200 mAh 3.7 V conector JST 64 x 35.5 x5.3 mm AKYGA Battery.
https://shopping.truda.io/product/acumulator-lithium-polymer-20147-1200mah-37v-conector-jst-64x355x53mm-pimoroni-akyga-battery
Acumulator Lithium Polymer 20147 1200 mAh 3.7 V conector JST 64 x 35.5 x5.3 mm AKYGA Battery.