TWB Premium Grade Generic Laptop Battery For Fujitsu LI1818, UNL51 TWB Batteries are the perfect choice that you can make for your computer. Very affordable, The best quality batteries on the market. Long Life durable Battery for your Laptop Laptop Battery Fujitsu LI1818, UNL51 battery Specification Advent 7109A, 7109B, 7113, 8111 Fujitsu Siemens Amilo Li 1818, Li 1820, Pa 1510, Pa 2510, Pi 1505, Pi 2512, Pi 2515 Maxdata Eco 4500A, Eco 4500I, Eco 4500IW Original Part Numbers 23GL1GA0F-8A, 23GL2G0G0-8A, 23GL2GA00-8A, 23GL2GF00-4A, 23GL2GF10-GA, 63GL51028-1A, 63GL51028-8A, 63GL51028-AA, L51-3S4000-C1L1, L51-3S4000-G1L1, L51-3S4000-G1L3, L51-3S4000-S1P3, L51-3S4400-C1L3, L51-3S4400-G1L3, L51-3S4400-G1P3, L51-3S4400-S1L3, L51-3S4400-S1S5, L51-4S2000-C1L1, L51-4S2000-G1L1, L51-4S2000-S1P3, L51-4S2200-C1S5, L51-4S2200-G1L3 Uniwill L50II0, L50II5, L50RI0, L51AI, L51Aix, L51II, L51IIx, L51RI, L51RIx, L53RI0, L70II0 Package includes: 1x Laptop Battery What's in the box 1 X Laptop Battery