Custom 12V 3000mAh 18650 Lithium Ion Battery Pack, Rechargeable 3S Li-ion Battery with BMS Protection
Custom 12V 3000mAh 18650 lithium ion battery pack, 3S configuration with integrated BMS protection. We support custom lead, connector and plastic housing, fit for portable pumps, monitoring devices, small lighting equipment, sample and wholesale welcome.
This custom rechargeable 18650 lithium ion battery pack is 3S configuration, market marked as 12V, capacity 3000mAh. It comes with built-in BMS protection board inside, equipped with output cable, we can adjust connector, wire length and outer casing according to your project requirements.
Specifications
- Nominal Voltage: 11.1V (Commonly called 12V)
- Capacity: 3000mAh
- Cell Type: 18650 cylindrical lithium ion cell
- Structure: 3S 1P
- Protection: Built-in BMS, prevent overcharge, over-discharge, over-current and short circuit
- Charge cut-off voltage: 12.6V
- Discharge cut-off voltage: 9.0V
- Certification: CE available
- Custom options: Cable length, connector type, outer plastic case, NTC temperature sensor
Key Features
- Adopt standard 18650 cells, stable discharge performance, low self-discharge
- Integrated BMS board, safer for long time continuous working
- Blue shrink wrap / plastic housing optional, neat structure, easy to install inside equipment
- Flexible customization, match different terminal plugs for your PCB
- Full capacity test before packing, we can provide MSDS, UN38.3 document for shipment clearance
Common Applications
This 12V 3000mAh 18650 battery pack widely used for: Portable water pump, portable monitoring camera, small LED lighting, portable medical auxiliary device, handheld industrial instrument, wireless equipment, small robot power supply and other 12V portable electronic products.
Custom Service Notice
This battery is available for OEM & ODM. If you need different connector, wire or housing, send us your drawing or sample for confirmation. We support sample testing before bulk production, MOQ can be negotiated for long-term cooperation.
FAQ
Q: What is the actual nominal voltage of this battery pack?
A: It is 3S 18650 pack, nominal 11.1V, max charge voltage 12.6V, most buyers call it 12V battery pack.
Q: Can you change the connector and cable length?
A: Yes, we can customize DC plug, JST, XT60 and other connectors, adjust wire length as you require.
Q: What shipping documents can you offer?
A: MSDS, UN38.3 lithium battery test report can be provided to help customs clearance.
RELATED PRODUCTS
Replacement JBL Boombox 2 Speaker Battery 7.4V 10400mAh Li‑ion
Premium replacement lithium‑ion battery pack specially engineered for JBL Boombox 2 portable bluetooth speaker. 7.4V nominal voltage, 10400mAh large capacity, direct plug‑and‑play replacement with original connector, built‑in multiple safety protection boards, effectively restore your speaker’s working hours. Suitable for personal repair, retailer stock and bulk wholesale orders.
