Ideal upgrade for traditional 4.8v square NiMh receiver batteries, this pack contains very high quality Sanyo Eneloop cells. Custom made with 4 cells wired in series to produce 4.8v. Specifically for receivers, radio electrics or smaller models. Sanyo Eneloop batteries offer much higher running time, more charge cycles, don't develop the dreaded NiMh memory affect and retail their charge when left for prolong periods. Ready to use straight out the pack! All Mr Positive RC Lipo Batteries can be customised with your choice of main discharge connector before adding the item to the shopping cart. Voltage: 4.8v. Capacity: 2000mah. Main Connector: JR / Futaba. Chemistry: Nickel Metal Hydride.