BOSCH Starter Kit 18V 2.0Ah 2pcs Battery and 1pc AL1860CV Multi-Volt Quick Charger.

Reference
STARTERKIT 18V 2.0AH

Data sheet

Battery voltage
18V

Cell type
Li-Ion

Battery 1 weight
0.35 kg

Battery charging voltage
14.4-18V

Charge current
4.0A

Charger weight
0.55 kg

Charge time at battery cap 2.0Ah (80%/100%) approximate
24/35min

Battery 1 capacity
2.0Ah