
I have a 12Ah LiFePo4 battery that normally charges to 13.6V ) which uses a 12V -Has power input plus 3 Noctua NF-A8 PWM 12V fans. Not sure how this will perform in the long term (i.e. 12.3v is too much for the nano), but so far so good. Connecting is easy. Two wires to the battery, two wires to the load. I added a fuse to the input and output. Measurements: Output voltage no load: 12.36V Output voltage with 250mA load: 12.31 Current draw no load: 12mA I don't draw enough current to really load it so it doesn't get warm. much up.

6FT HORUSDY Gas Siphon Pump With 1/2" Valve And Virgin Grade Tubing For Safe, Multi-Purpose Use (White)
22 Review

Portable Electric Vehicle Charger (40A, 240V, 25Ft Cable) - Level 2 EV Charging Station With NEMA 6-50P Plug-In For EVs By MUSTART
19 Review

Jack Pad Adapter Anodized Black Replacement For B-MW 135 335 535 E82 E88 E46 E90 E91 E92 E93 E38 E39 E60 E61 E63 E64 E65 E66 E70 E71 E89 X5 X6 X3 1M M3 M5 M6 F01 F02 F30 F10,Mini (3 Pcs)
24 Review

Jack Pad Adapter Anodized Black Replacement For B-M-W 135 335 535 E82 E88 E46 E90 E91 E92 E93 E38 E39 E60 E61 E63 E64 E65 E66 E70 E71 E89 X5 X6 X3 1M M3 M5 M6 F01 F02 F30 F10(1 Pcs)
21 Review