Black, 11.1V, 4400mAh, Li-ion Battery fits Advent, 4213, 48.84WhBattery Fits Models: 4213 Battery Part Numbers: 1a 28, 63gg10028 5a Shl, G10 3s3600 s1a1, Sbx23456783444285 Our battery should have the exact dimensions and fitment as the original battery; the fit and finish are checked before dispatch. The battery shown on this page is manufactured using the highest quality parts. Batteries come in all shapes and sizes; quite often, a single battery model will replace hundreds of other models. The manufacturers, in