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

NEW Xtreme Power High Frequency.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  P46-301 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