Name: Lincoln Electric Viking PAPR Extended Battery
Brand: Lincoln Electric
SKU: KP3938-1

Fits these systems

Systems this part fits, with compatibility status and evidence
System	Compatibility status	Evidence
Lincoln Electric Viking PAPR (3350 / 3250D FGS / 3350 XG)	T2 Manufacturer-listed part	[01] www.weldersupply.com manufacturer manual Listed as "Extended Battery (for Viking PAPRs)" in Lincoln Electric publication EE14.747 (07/2020); spec table gives 16 h @ 180 lpm, 4.5 h charge, 500 cycles. Archived in repo: sources/lincoln-viking-3350-xg-papr-ee14747-2020.pdf. 2026-07-04 [02] www.lincolnelectric.com manufacturer page Official Lincoln product page exists for KP3938-1 (located via search; page confirms extended battery). 2026-07-04

Specifications

Technical specifications
Runtime	16 h at 180 lpm (vs 9 h standard KP3937-1)
Chemistry	Li-ion, rechargeable, 500 charge cycles
Charge time	4.5 hours (115 V charger KP3932-1)
Ships in system	K3930-6 (Viking 3350 XG PAPR with Extended Battery)

Evidence — dated sources