PulseTech SP-XCR-20 Xtreme 12V Battery Recovery Charger/Desulfator connector-type_lc It uses a cooled EML

It uses a cooled EML laser transmitter at 1550nm and a PIN photodiode

while FRM220-CH01AD has dual redundant AC 90~240V and DC 18~72V power supplies available in same single slot casing

Upload/Download file function

FRM220-1000T-SC001 uses an 850nm VCSEL transmitting diode complying with the 1000Base-SX Gigabit over mutli-mode fiber standard

model F1-SFP0116F

PulseTech SP-XCR-20 Xtreme 12V Battery Recovery Charger/Desulfator connector-type_lc It uses a cooled EMLPulseTech SP XCR 20 Xtreme 12V Battery Recovery Charger Desulfator The PulseTech SP XCR 20 Xtreme Charge Battery Recovery Pulse Charger & Desulfator (mfg SKU # 100X500) will charge and recover lead acid batteries you previously thought were beyond saving. The state of the art pulse technology charging system works with any kind of 12 volt lead acid battery: conventional flooded, maintenance free, AGM and GEL cell. It uses either 110 or 220 Volt AC