https://ennopol.com/product/bb-2557-u-75-wh-rechargeable-lithium-ion-battery-bt-70757bk/
BB-2557/U, 75 Wh Rechargeable Lithium-Ion Battery (BT-70757BK)
NSN: 6140-01-490-5387 PRODUCT SPECIFICATION Type Li-ion Battery Model/SKU BT-70757BK Nominal Voltage 14.4 V, 28.8 V Capacity In 24 V Mode: 2.5 Ah ; In 12 V...
lithium ion batterybbwh