Ni-MH precharged and rechargeable batteries with up to 1900 mAh capacity 4 PCS SET Ideal for: computer mice, remote controls, clocks, radios, IC recorders. A great alternative to conventional alkaline batteries, lasting up to 3 timeslonger A good economical and environmental choice Rechargeable up to 1000 times Ni-MH precharged and rechargeable batteries with up to 2000 mAh capacity 4 PCS SET Ideal for: computer mice, remote controls, clocks, radios, IC recorders. A great alternative to conventional alkaline batteries, lasting up to 3 timeslonger A good economical and environmental choice Rechargeable up to 1000 times Brand SONY SKU 100035023_NP-1020285039 Model NH-AA-B4KN