3.7V 4500mAh 955178 Lipo Battery Rechargeable Lithium Polymer ion Battery Pack with PH2.0mm JST Connector

Works perfect.

Great battery mod for your psp vita, right fit but worked with the vita

Be very careful. This almost destroyed my eInk screen. I just received one of these, however the positive(+) and negative (-) wires were reversed on the JST connector from the battery. As soon as I connected this to an eInk screen, I could smell but did not see the magic smoke and immediately disconnected. I then inspected the wires and double checked JST wiring convention with other devices using the same size/type connector. They were all working and reverse of the wires on this battery. Very Dangerous and I doubt this company would refund the replacement costs of a destroyed device.

After a full charge used it for almost 2 full days with an ESP32-CAM module. After that the ESP32 just shut down even through the battery still showed 3.6V out. Anyway, this battery worked as expected and lasts long enough for my purpose.

The Good: Descent capacity. Definitely not 4500mAh as advertised. Instead, this particular cell consistently tested to approximately 3600mAh. As far as cheap, Chinese LIPO cells can go, It could've been further off the mark.The Bad: Sh#tty, Chinese build quality. On first charge attempt, my charger consistently returned a "connection broken" error. Upon closer inspection, the positive battery tab wasn't soldered to the positive pad on the BMS. All attempts to remedy this issue failed as solder simply wouldn't adhere to the battery tab.Verdict: Cell is a complete write-off.

Put this in a Polaroid tablet. No problems charging. Good battery life before it had to be recharged. Works excellent for a replacement Polaroid tablet battery.

ok