Keep your S1 Dry Flush toilet's battery topped up on the road. This charging kit plugs into any 12V–24V cigarette lighter socket, or can be hardwired directly into your RV or vehicle's electrical system for a permanent, out-of-sight install.
Features
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Plug-and-play or hardwire — use the included cigarette lighter plug, or trim it off and wire the charger straight into your RV's 12–24V DC system
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Purpose-built connector — the 5.5 x 2.1mm output connector is the waterproof-rated connector that mates with your S1's charging port
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LED charging indicator — red light while charging, green light once the battery is fully charged, so you can check status at a glance
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Smart charging profile — automatically manages current and voltage to protect your battery (details below)
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Built-in protection — automatic shutdown on overcurrent or overvoltage, with automatic recovery once the fault clears
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Compact and lightweight — easy to tuck away in a cabinet, under a seat, or wherever your RV's 12V wiring runs
Compatibility
Designed specifically for the S1 Dry Flush toilet's Li-ion battery pack (3S2P configuration). Output is fixed at 12.6V / 1.5A to match the S1's charging requirements — this is not a universal charger.