Reddit reviews TalentCell 12V Lithium ion Battery PB120B1, Rechargeable 38400mAh 142.08Wh Li-ion Battery Pack with DC 12V and 5V USB Output for LED Light Strip, CCTV Camera, Mobile and More

High capacity, Last longer: 3.7V/ 38400mAh.【PB120B1 12/5V lithium ion battery pack is constructed from 12pcs High Quality 18650 cells in 3s4p. The capacity of each cell is 3200mah at 3.7V】【Output: 12V (voltage range is 12.6-9V) /6A Max. 5V/2.4A Max.】【Input: 12.6V/2A】Compatible with LED strip light products, CCTV Camera, LED Panel, Modem, Speak, Car DVR or Telescopes, Spectra S2 breast pump, Smartphones, etc.It can also power to the new machines of 60 series and D series, but you need to purchase the DC5521 Male to DC7406 Male Power Supply Cable separately (B07M5LMJ6X). It can be also used for old machines of 50 series and M series.Supports Over-charged/discharged, Over-voltage, Over-current and Short circuit protection. Multi-led indicator, 4 LED indicators displaying battery percentage. The size of PB120B1 and PB120B2 DC Output and Input ports are all 5.5 mm x 2.1 mm.12.6V/2A charger and cable are included. The battery is designed for a slow charge process (about 10 hours for full charge), which helps the battery life last longer.