You can find the model number of your charger on the  black  NAMEPLATE  on the front of the charger on the top line named:  " MODEL NO." 

CCS / LS Owners Manual.pdf

CFD Owners Manual.pdf

CPS, CPT Owners Manual.pdf

CRS, CRT Owners Manual.pdf

EMPZ Owners Manual.pdf 

GTCII Owners Manual.pdf

GWMV Owners Manual.pdf

HPS, HPT Owners Manual.pdf

LS / CCS Owners Manual.pdf

MC Owners Manual.pdf

MSP Owners Manual.pdf

MSQ Owners Manual.pdf

MSR Owners Manual.pdf

MSS Owners Manual.pdf

OHF Q2 High Frequency Owners Manual.pdf

ST Owners Manual.pdf

SHF Q Owners Manual.pdf

VHS, VHT Owners Manual.pdf

VXS, VXT Owners manual.pdf

XPS, XPT Owners manual.pdf

XRT Owners Manual.pdf

Tobi PI WI-z NEW Quick Start.pdf

Tobi PI Software New  Manual.pdf

PowerLogger Wi-z Quick Start Guide.pdf