Fast charging large capacity lithium battery with high endurance and strong endurance. Equipped with 10 built-in battery cores for longer lasting use Six fold protection: overcurrent protection, short circuit protection, overdischarge protection, low voltage protection, overshoot protection, time limited protection Fast charging: battery cells, long-lasting battery life, and surging power bring strong torque patented technology: large capacity lithium battery, enhanced version, increases usage time by 30%, efficient and 100% New Type: 288VF Lithium Battery Direct Replacement Volt: 21V Charger: 21V Applicaton:Universal For Screwdriver Electric Drill Replacement Battery Colour: Material:plastic+metal Specification:A:98VF Enhanced Battery + Charger Package Contents: 1 x Lithium Battery 1 x Charger Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.