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Schumacher SC1667 6 V/12 V manual 10 A battery charger and 250 A engine starter
Model: SC1667 · US configuration
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The current U.S. Schumacher page identifies the SC1667 as a portable manual timer-controlled charger/starter. It documents 10 A Charge at 12 V, 25 A Boost at 6 V and 12 V, 50 A Boost at 12 V, and a separate 250 A 12 V Engine Start mode. The exact page-linked PDF is labeled 0099002475-R0 but its cover identifies models 105-20/105-21, so its generic current/rate chart is not transferred to SC1667. No ordinary 6 V Charge current, maintenance mode, lithium mode, or universal Ah limit is established.
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Explore this buying guide ↗Why consider this model?
- A portable, single-output option when a 12 V lead-acid AGM or gel battery needs manually monitored charging at the documented 10 A Charge setting; separate boost and engine-start modes are available for their distinct jobs.
Tradeoffs to weigh
- Manual operation and a 135-minute timer require attention. The documented ordinary Charge setting is 12 V only; the 6 V position is Boost-only. No lithium, maintenance, banked, or universal Ah capability is established, and the linked PDF cover does not identify SC1667.
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