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Portable lithium jump-start pack for car batteries, in a black zippered soft case with white JUMP STARTER lettering.

Victron Energy BatteryProtect BP 12/24 100A — a low-voltage battery disconnect that cuts the load to protect a 12/24V battery from over-discharge, with programmable alarm/remote terminals.

Automatic trickle charger/maintainer for 12V lead-acid batteries (model YS-1201250, output 13.8V/1250mA) with alligator-clip leads and a charge status light.

Smart battery checker/meter for RC LiPo and other packs; reads overall and per-cell voltage, capacity, and internal resistance.

Clear plastic bin of tangled AC power adapters and wall-wart chargers, including 9V and 12V units, plus a battery charger with a digital display.

AC-input dual-channel smart charger for LiPo / Li-ion / NiMH / NiCd / Pb packs. 200W total (100W per channel), 12A, 100-240V AC input. Color touchscreen with simultaneous dual-port readouts; XT60 leads.

Bin of battery-system wiring, connectors, fuses, and a JQX-62F high-power relay module — leftovers from the battery setup at the previous house.

4-amp Lithium-Ion battery charger for 12V and 20V Max DeWalt packs (model DCB104-style).

At least five plastic marine battery box containers sized for Trojan-style trolling batteries (mixed older sizes); a couple of Trojan batteries are still inside.

768Wh LiFePO4 portable power station with 1000W pure sine wave AC output (two 120V outlets), USB-C 100W PD, USB-A, DC output, and DC/PV solar input. Top carry handle, color status display.