Please reply with the full brand name and any other numbers on the product label. I’ll help you narrow it down.
I’ve seen a few people asking about the manual for the BV300 (battery jump starter / power pack). If you’ve lost the paper copy or bought one second-hand, here’s how to find the correct PDF. bv300 manual
Most often, the BV300 is a 12V portable jump starter and power bank (often sold under generic brands like TACKLIFE, Ampeak, or similar). However, it could also be a piece of lab equipment or an industrial controller. This guide assumes you have the jump starter/power pack. Please reply with the full brand name and