Rechargeable-Lithium-ion-Battery-18V-2-6 Ah-for-CP5000-Range-Sealey-CP50BP-Li-ion-batteries-give-an-all-round-better-performance-than-standard-Ni-Cd-Ni-MH-cells-They-maintain-a-high-energy-density-level-with-a-flat-discharge-curve-performing-better-&-longer-than-a-conventional-Ni-CD-Ni-MH-battery-No-memory-effect-allows-the-battery-to-recover-from-a-deep-discharge-with-no-tendency-to-reduce-overall-capacity-Features-integral-battery-level-indicator-Requires-1-hour-mains-charger-sold-s