A customizable multi-cell 18650 lithium ion battery pack with Grade A cells, insulated blue heat-shrink protection, pre-soldered lead wires, stable discharge performance, and flexible configuration options.
We develop lithium batteries covering home storage, low-speed vehicles, industrial UAVs and portable power stations to meet multi-scenario energy demands.
Hubei Annait is a one-stop lithium battery maker offering OEM&ODM, supplying certified storage, EV, drone and portable power batteries to global clients.
This high-capacity 18650 lithium battery pack is assembled with multiple brand new Grade A cylindrical cells in parallel. It is fully wrapped with thick blue insulating heat shrink tube, moisture-proof and scratch-resistant to protect inner cells and improve safety.
Equipped with two black lead wires pre-soldered at factory, no secondary welding needed. Widely compatible with high-power portable lights, outdoor energy storage units, industrial testing instruments, power tools and small household power supplies for easy installation.
With well-matched cells, low internal resistance, stable continuous discharge current, long cycle life and durable runtime, it maintains balanced and safe charging & discharging performance with low capacity attenuation.
Full customization service is available: All cell models and any capacity can be customized to meet your demands. We adjust series-parallel layout, wire size & length, protection board and packaging according to your equipment voltage, power and endurance requirements.
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