Choose a correct current.
eBay
18650 Lithium Battery Charger 90 degree right angle DC 4.2V 8.4V 12.6V 16.8V 21V 29.4V 1A 2A DC Power Supply Adapter
Aliexpress UK
Model: SSR-3 D4860 60A. Load Current: 60A. Item Type: 3 Phase Solid State Relay. 1 x 3 Phase Solid State Relay. Purpose: Relay. If you are satisfied with our service, pls.
eBay
TOMZN 2P DC MCB 1000V Solar Mini Circuit Breaker 3A 6A 10A 16A 20A 25A 32A 40A 50A 63A DC MCB for PV System
Aliexpress UK
Load Current: 2A. Output Type: AC Zero Cross. On-State Resistance (Max): -. G3MC-202P-VD DC24.
eBay
5pcs Mini DC-DC 12-24V To 5V 3A Step Down Power Supply Module Voltage Buck Converter Adjustable 97.5% 1.8V 2.5V 3.3V 5V 9V 12V
Aliexpress UK
Load Current: 5A. On-State Resistance (Max): -. G3NE-205TL-US DC24.
eBay
DC-DC Converter Step Down Module 3A 5V 12V Mini BEC For RC Plane FPV Promotion Black & Red RC Air Plane Accessory Hot Selling
Aliexpress UK
Introduce：. Good Good quality.
eBay
2P DC MCCB TOM7Z 1000V DC Solar Molded Case Circuit Breaker MCCB Overload Protection Switch Protector for Solar Photovoltaic PV
Aliexpress UK
Output current: 40A. 1/2/5/10 x Solid State Relay Moduleor 1 x Cover Case or 1 x Heat Sink. Sound & Vision. Due to the different display and different light, the picture may not show the actual color of the item.
eBay
SN04-N SN04-N2 SN04-P SN04-P2 DC NPN PNP NO NC 4MM DC 10-30V SN04 Inductive Proximity Sensor Detection Switch
Aliexpress UK
Load Current: 5A. On-State Resistance (Max): -.
eBay
DC 12V 24V 48V 72V MCB Battery Mini Circuit Breaker 16A 25A 32A 63A 100A 125A PV DC Positive And Negative Protection Air Switch
Aliexpress UK
Load Current: 1A. On-State Resistance (Max): 500 mOhms.
eBay
DC-DC Boost Converter 12V 24V to 80V-650V 100V 200V 300V 400V 600V linear adjustable voltage regulator Power supply PSU Module
Aliexpress UK