Batteries and accessories

60 ProductsPage 1 of 3
Otronic Lithium 18650 Battery Charger with USB-C 5V 1A TP4056
This little board is a constant voltage linear charger for single cell Li-Ion batteries. Input via USB-C or + and - holes. <br>The...
Otronic BMS 4S 40A Li-Ion Lithium Battery 18650 Charger Pcb
Battery Management System (BMS) for a 4S battery pack. With this circuit you can safely make a battery pack from 4 series Li-ion/Li-Po batteries (cell...
Otronic 18650 rechargeable battery 3.6V 2850Mah 10A
Powerful 18650 Li-ion battery of 2850mAh with 10A discharge current. Suitable for flashlights and robots. Nominal voltage of 3.6V - 3.7V. Without prot...
Otronic 3.7V 2000mAh Rechargeable LIPO (Lithium Polyemer) flat battery | 103450
3.7V 2000mAh Nominal: 3.7V to 4.2V <br>Equipped with built-in BMS and protected from overcharging and over-discharging.Cut-off: 2.75V</p...
Otronic Adjustable DC regulated power supply module (0 - 30 V / 2 mA - 3 A) - DIY KIT (self-soldering)
This is a soldering kit to assemble a high-quality stabilized power supply yourself, with which the voltage can be continuously adjusted between 0 V a...
Otronic BMS 3S Protection circuit with balancing function
A Battery Management System (BMS) for a 3S battery pack. With this circuit you can safely make a battery pack from 3 series Li-ion/Li-Po batteries (ce...
Otronic Power Bank DIY 18650 Lithium Battery Charger JX-887Y
Make your own Power Bank with this JX-887Y PCD 18650 Dual Micro USB 3.7V to 5V 2A Boost Power Bank DIY Dual USB Output. Ing...
Otronic 3S Lithium Battery Protection BMS Board For 18650 18550 Li-ion Lipo Battery 11.1V 12.6V 20A
11.1V 12.6V 20A 3S Lithium Battery Protection PCB BMS Board For 18650 18550 Li-ion Lipo Battery Cell Pack This lithium ion battery protection board...
Otronic 2S BMS charging and protection board for 2x 18650
Do you want to connect 2 18650 batteries in series for an output of 7.2V? To charge and balance them properly, a BMS is required. This 2S BMS is speci...
Otronic 3.7V 4000mAh Rechargeable LIPO (Lithium Polyemer) flat battery | 606090
3.7V 4000mAh Nominal: 3.7V to 4.2V With built-in BMS and protected from overcharging and over-discharging. Cut-off: 2.75V...
Otronic Lithium 18650 Battery Charger with Micro USB 5V 1A TP4056
This little board is a linear charger with a constant voltage for single-cell Li-Ion batteries. Input via micro USB or + and - holes. <...
Otronic 12V 5A Power Adapter
12V 5A Adapter for example a 12V LED Strip. Please note that images may differ slightly from the adapter print. Including grounded power cord.</p...
Otronic Samsung 18650 rechargeable battery 3.6V 3400Mah 8A
Discover the impressive Samsung INR18650-35E battery. With 3400mAh capacity, 8A discharge, rechargeability and compact size, it offers reliable power ...
Wireless power module 5V 2A (transmitter and receiver)
This wireless power module can be used as a wireless power supply. In combination with a charger module it could be used to wirelessly charge a 18650 ...
Otronic 18650 Battery holder with Charger and 5V Step-up module (USB-C)
This advanced 18650 battery holder, with integrated charger and 5V step up module, is designed for electronics hobbyists and professionals who need re...
Otronic ZB2L3 Battery Capacity Tester 1.2-12V
With this module you can test the capacity of a battery. By connecting a fully charged battery and starting the Ah test, the battery will slowly l...
Otronic LIR2032 3.6V RECHARGEABLE BUTTON CELL
The LIR2032 3.6V button cell battery is the rechargeable version of the CR2032 and has a capacity of approximately 40mAh. This LIR2032 is suitable for...
Otronic 18650 battery holder single
Battery holder for 1x 3.7V round lithium 18650 battery. Dimensions Length: 7.6cmWidth: 2.1cmHeight: 2cm...
Otronic USB charging module: DC-DC step-down converter - 6V ~ 24V 12V to 5V 3A
DC-DC USB Buck Converter / Charging Module Max output current 3A, long time use 2.1A, enough use New design, 3 solid st...
Otronic 2S 18650 Battery Capacity Tester Li-Ion Module
2S 18650 Li-po lithium battery capacity indicator module Color: outline red, display block blue Display part size is 3.1cm x 2cm...
Otronic 6S 15A 22V 24V BMS for lithium batteries
This board is ideal for connecting 6 18650 batteries in series and charging them at the same time. Protects the batteries from being discharged too de...
Otronic 9V battery clip connection
battery clip for 9V battery with red and black connection wires....
Otronic 5V Step-Up Power and Charger module for Lithium battery
A compact module to use a Lithium battery of for example 3.7V as a mini Powerbank or power supply for your electronics or robot project....
Otronic 3S lithium charger module with USB-C
Charging module for 3x 3.7V lithium batteries connected in series. USB-C connection and overcharge protection. Easy to connect....