Renogy 100/200/300Ah 12V LiFePO4 Lithium Leisure Battery or Battery Monitor. Optimize Battery Health. Simple and compact layout for easy installation. Alternator running detection safeguards the starter battery.
eBay
1-10pcs 5A DC-DC Step Down Adjustable Power Supply Module Lithium Charger XL4015 4~38V 96% 5A DC adjustable step-down module
Aliexpress UK
Adaptive 3-phase Charging : Bulk, Boost, and Float. Compatible with Multiple battery types : AGM, GEL, Flooded, and Lithium. Key Features Automatic battery separator works without the need for diodes or VSR relays.
eBay
LM2596S DC 6V-40V 9V 12V 24V 36V To 5V 3A Double USB Charge DC-DC Step-down Converter Module For Vehicle Charger LM2596 Dual USB
Aliexpress UK
DC output current: 40A. LED lights also indicate the battery type. Key features - Isolated DC output. - Inbuilt fan. - Suggested battery capacity: 40 - 300Ah.
eBay
DC 6V-40V To 5V 3A Double USB Charge DC-DC Step-down Converter Module For Vehicle Charger LM2596 Dual USB
Aliexpress UK
General Compatibility:Safely power your gadgets on the move with our Car Power Inverter. Product specifications: 12v-24v to 220V with digital display/without digital display. Convenience of Carrying:This car power inverter, with its lightweight and compact design, displays the working status through an LED indicator light, ensuring it does not take up much space and is plug-and-play.
eBay
DC 6V-40V To 5V 3A Double USB Charge DC-DC Step-down Converter Module For Vehicle Charger LM2596 Dual USB
Aliexpress UK
Victron Energy. Energy Monitoring. Models are available up to 400W and unlimited multiple units can be connected in parallel to increase output power. All electricity should be switched off prior to ANY electrical work being carried out.
eBay
3.3FT USB 2.0 A Type Male to DC 5.5 x 2.1mm DC 5V Power Plug Connector Cable USB to 5v Power Cable USB to DC Power Charger Cord
Aliexpress UK
Maximum charging current of target battery: 60A. It is not compatible with 24V batteries or a combination of 12V and 24V batteries. Relay signal output: 12V / 1A. Easy battery type selection: with the use of dip switches, the unit can be switched between Lead Acid, AGM, Gel, LiFePO4, or Lithium-ion battery types.
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1Pcs DC-022B18AWG DC 5.5x2.1 5.5*2.5 3.5*1.35mm Power Cable Wire Connector Charger 10A Current DC Power Plug Female Socket 15CM
Aliexpress UK
DC output current: 10A. - Isolated DC output. - Suggested battery capacity: 15 - 100Ah. LED lights also indicate the battery type. Key features - Inbuilt fan.
eBay
DC 6V-40V To 5V 3A Double USB Charge DC-DC Step-down Converter Module For Vehicle Charger LM2596 Dual USB
Aliexpress UK
Adaptive 3-phase Charging : Bulk, Boost, and Float. Maximum solar input current: 20A. Compatible with Multiple battery types : AGM, GEL, Flooded, and Lithium. 1 x 500mm RED 70amp READY MADE cable Relay to fuse holder lead.
eBay
12V to 5V DC USB Buck Converter, Dual USB Port Fast Charger Board Auto Power Supply Adapter DC-DC 10-32V 12V 24V to 5V 9V
Aliexpress UK