• 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, Smartphones, etc.
  • It can also power to the Philips Respironics new machines of 60 series and DreamStation series, but you need to purchase the DC5521 Male to DC7406 Male Power Supply Cable separately (B07M5LMJ6X). It can be also used for Philips Respironics 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.

Runs my Phillips Dream Station 9 CPAP/APAP for four nights of camping! (Humidifier off and Heated hose turned off). Also charges my cell phone. It's a 3S4P 18650 lithium cells in a nice black box plastic package. 9v dead-12.6v full 11.1v nominal (most of the time) The led fuel gauge is a simple voltage based one, not coulomb counted. Nice portable brick of power...

If there was one negative, it was the short output cable, and the fact the cable was not a hybrid socket, fitting both 2.1x5.5mm AND 2.5x5.5mm equipment sockets. The 2.1mm limitation was mentioned among the product details, and fortunately there are both adapters and cables available for the 2.5mm connectors, although at additional expense. FYI: I am using this battery in locations with no/no nearby electric supply, with Zoom F4 or Zoom F8 recorders and the Zoom FRC-8 mixer console. This equipment is cable-connected to the battery with an Hirose 4-pin DC connector at one end and a 2.5x5.5mm Female socket at the other end of the cable. The Hirose cable is in turn connected to a hybrid 2.1/2.5x5.5mm Male-Male fitting cable connected to the battery. This final Male-Male connection cable replaces the supplied 2.1mm cable. Next, some tests for reliability and running time under working load.

Almost 7 days on a single charge add about seven hours a night at level six on a dream station. Insane.

Ran my FL-8 for over 30hours over the weekend with no issues (uses about ~350mA @12V). It had 2 of 4 bars of battery life left at the end(~50%) Overall it did the job, good battery pack.

I bought this so that I would have a convenient battery to operate my CPAP in case of a power outage. I received the item and it indicated it was completely discharged, so I plugged it in and let it charge overnight. LEDs showed it was fully charged, (4 bars) and the charger indicated the battery was charged, (green light on charger). I put the battery away for 10 days, then decided to try to use it to see how well it would work. I was able to get 2 full nights plus 2 hours out of the battery on my Phillips Respironics Dreamstation 400. On the third night, after 2 hours, the power went out, and I switched to house power to finish the night. The next morning, the LEDs on the battery showed all off. I plugged it into the charger, and had one bar within 5 minutes on the charger. 2 bars within 30 minutes. 3 bars within 4 hours, and I let it charge overnight, even though I had 4 bars before I went to sleep. I am happy with the battery, and think it will be a good addition for my CPAP therapy.

Super battery for my video rigs. Great alternative to the super expensive v mount batteries and plates. It has two 12 v ports and one USB. Which allows me to connect my monitor, recorder , zoom lens and lights to my video rigs. Thank you so much for this great item you have saved me a ton of money.

This is an outstanding product, well designed with compact size and amazing power rating. I am using it in place of a regular 120V UPS for critical timing and network devices. In the event of an AC power failure, we can operate all day on the battery if required.

Customer had a bulky battery system and when bad so I suggested them to replace it with this one and the results were that they are impressed with this unit, it last for over 6 hours of continuous use powering a light source.... I will definitely buy more when the need arises.

So far for me, it's a 5. I am a serious hobbyists - nothing more. I am in the initial phase of using this to continuously power my Arduino Mega project which only requires about 100ma @ 5v and, 25ma @ 12v. I intend to automatically switch the charger on when the level goes below, say 60%, then back off when it's charged. After 3 days of operation I still have about 67% charge. No scope verification but, the 5v source is clean enough that I have not experienced any issues with this complex Arduino project. It previously powered a Particle/Photon project for a week without issue.

I purchased this battery to power accessories on my motorcycle. I had some questions about how the input line was backfeeding and customer support got back to me in minutes with accurate and specific help about the technical and practical specifications of the battery. I'm guessing they had an actual electrical engineer answering the phone.