This is a Dewalt 2ah battery and charger bundle.

DCB183:

DeWalt XR 2.0Ah Li-Ion Battery Technology offers extended runtime and optimised power to complete applications quickly

LED state of charge indicator helps manage pack charging

Lightweight design provides the user with upgraded runtime without increasing the size or weight over the 18V 1.5Ah battery pack

No memory effect and virtually no self-discharge for maximum productivity & less downtime

Compatible with all DeWalt 18V XR tools

Excellent electrical characteristics

Specification:

Battery Capacity: 2.0Ah

Voltage: 18V

Height: 48mm

Length: 110mm

Weight: 0.40kg

Compatible with: All 18V XR Li-Ion DeWalt tools

DCB1102:

Compact multi voltage charger charges all 18v XR batteries and the 12v battery packs.

2 stage charging system

Bright LED indicator to show, charged / charging / power problem and battery too hot or too cold

Charger varies charge rate according to battery type, increasing battery pack life