https://www.ebay.com/sch/i.html?_nkw=3M+Battery+Charger+Kit&_sacat=0&_dmd=2

3M Battery Charger Kit

Regular price
$216.00
Sale price
$148.00

Battery Charger Kit, For Use With Mfr. No. TR-300 PAPR, Includes Mfr. No. TR-941N, TR-340