LONG LASTING POWER: This pack of 4 D Type batteries with low self-discharge is ideal for devices with high power consumption including toys, torches, flashlights, lanterns, CD players, ghetto blasters, and musical Instruments - These batteries guarantee long-lasting power HIGH SAFETY STANDARDS: These rechargeable batteries comply with current valid EU directive and meet the highest requirements for safety and longevity with good cycle stability PACK OF 4: This pack consists of 4 x D Size NIMH MaxE Pro 10000mAh ANSMANN Rechargeable Batteries. These batteries have been successfully tested for electrical, thermal, geometric and mechanical requirements RECHARGEABLE: These rechargeable batteries can be charged with high charging current resulting in shorter charging time. These batteries also guarantee longer running times all thanks to the high capacity SAVE MONEY: These NiMH batteries can be recharged up to 1000 times saving you money and reducing waste! These batteries are an economical replacement for disposable/alkaline batteries OTHER USES: Use with baby cradles & swings, boom boxes, electric meter, flashlights/torchlights, Geiger counters, lanterns, megaphones, PIR detectors/sensors, radio receiver, security lamps, kids toys, products with electric motors and high drain devices