The VARTA 5/V150H/3P is a rechargeable NiMH battery which is part of the VARTA Mempac range.
BATTERY ATTRIBUTES:
Capacity: 0.15Ah
Voltage : 6.0V
Termination : Polarised Pins (2 pin +, one pin negative)
Chemistry: Nickel Metal Hydride (NiMH)
To Download the Spec sheet 
BIN 206