Tektronix-THSBAT-Rechargeable-Battery-Pack-Tektronix-THSBAT-P-The-Tektronix-THSBAT-is-a-Lithium-Ion-Rechargeable-Battery-Pack-for-use-with-the-THS3000-series-oscilloscopes-The-10-8VDC-battery-pack-consists-of-an-array-of-Lithium-Ion-battery-cells-An-internal-circuit-monitors-the-charge-on-the-battery-&-reports-the-condition-on-an-LCD-display-at-the-top-of-the-battery-The-display-indicates-the-amount-of-charge-in-increments-of-Approx.-20-each-P-Tektronix-THSBAT-Replacement-Batte