Battery Type: Lithium Ion
Grade A cells battery, 500+ recharge cycles over.
Warranty: 6 months.
COMPATIBLE PART NUMBERS :40Y678, 41U4890, 45N1040, 45N1041, 51J0497, 51J0507, 51J0508, 57Y4536, ASM 42T4691, FRU 42T4688, FRU 42T4690