SYMBOL LS4278 Series Ni-MH Replacement Battery - MFG PN: BTRY-LS42RAAOE-01 / SYM-4278M / 750mAh SYMBOL LS4278 Series Ni-MH Replacement Battery SYM-4278M with 1 year warranty! Made with Superior Quality Japanese Cells! Fulfilled by Amazon - Credible and Trusted Transaction System