Samsung 20000MAh 45W Battery Pack

20,000 mAh battery (~74 Wh), wired output up to 45 W Super Fast Charging 2.0 via USB‑C, supports PD 3.0 and PPS
Three USB‑C ports (identical): any can be used for input/output; when used singly supports 45 W; dual ports share ~22 W each; triple-port splits to ~10 W each 
Input via USB‑C PD 3.0 PPS up to 25 W (5–20 V, 3 A); outputs 5 V/3 A, 9 V/3 A, 15 V/3 A, 20 V/2.25 A; PPS 3.3–21 V at 2.25–4.05 A 
Approx. 152 × 76 × 25.5 mm, weight ~402 g; robust recycled-plastic exterior 
Supports USB PD 3.0, PPS, AFC, QC2.0; built-in protections against over‑current, overheating, short-circuit; ~83–89% energy conversion efficiency