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14.4V–40V & 40A Discharge Custom Power Tool Battery Solution

With the increasing application of power tools in construction, industrial maintenance, automotive repair, landscaping and home DIY, users have ever-higher requirements for battery power performance. Traditional batteries no longer meet the needs of modern power tools for long-term, high-intensity operation due to heavy weight, limited service life and insufficient charge-discharge efficiency. UFOPOWER lithium battery solutions — from 14.4V drill packs to 40V garden tool packs — deliver longer runtime, more stable output and lower maintenance costs, with complete OEM/ODM services from Grade-A cell selection to intelligent BMS protection.

Why Power Tools Need High-Performance Lithium Batteries

Power tools usually require high current output within a short period of time — electric drills, rotary hammers, angle grinders and electric saws all generate high power demands during startup and operation. UFOPOWER lithium battery solutions deliver continuous energy supply with fast response, replacing heavy nickel-cadmium and lead-acid packs with higher energy density and lighter weight.

High Energy Density: Store more power in the same volume — lighter tools and better user comfort.

Long Cycle Life: Up to 800–1,000 cycles per pack, reducing replacement frequency and long-term cost.

Stable Output: Consistent discharge performance under frequent charge-discharge cycles.

Wide-Temperature Operation: Reliable performance across demanding construction and outdoor environments.

Smart BMS: Real-time monitoring of voltage, current and temperature, with overcharge, over-discharge, overcurrent and temperature protection.

Application Scenarios of Lithium Batteries for Power Tools

UFOPOWER lithium batteries for power tools can be applied to various mobile devices, with customized capacity, discharge rate, protection level and operating temperature for each scenario.

Construction Tools: Handheld electric drills, impact drills and rotary hammers — lightweight packs with continuous output capability.

Industrial Tools: Angle grinders, electric saws and cutting equipment — high-discharge power for heavy workloads.

Landscaping Equipment: Lawn mowers and pruning machines — 40V packs for long outdoor sessions.

Automotive Repair & Outdoor Equipment: Reliable power for workshop and field tools.

Professional Industrial Mobile Equipment: Customized packs for demanding industrial applications.

Recommended Power Tool Battery Solutions by Platform

Different power tools run on different voltage platforms. We have categorized our cordless tool battery range into three configurations to help you select the right pack for your tool family.

14.4V – Cordless Drills & Compact Tools 20V – Universal Cordless Tools 40V – Garden & Outdoor Tools

For cordless drills and compact power tools, the UFO-BL14-3 pack delivers 4.5–9.0Ah (64.8–129.6Wh) with 40A maximum continuous discharge (576W) — enough headroom for drilling and driving all day in a 0.83kg package.

14.4V, 4.5Ah / 6.0Ah / 7.5Ah / 9.0Ah options

40A continuous discharge (576W), customizable

18650 cells, 4S3P / 12 cells, 800–1,000 cycles

UL94 V-0 flame-retardant housing, 95×73×78mm

14.4V – Cordless Drills & Compact Tools

For universal 18V/20V Max tool platforms, the UFO-CMCB201-1 pack offers 1.5–3.0Ah (27–54Wh) in a compact 120×79×53mm footprint weighing just 0.5kg — ideal for screwdrivers, impact drivers and compact saws across construction and repair work.

18V (20V Max), 1.5Ah–3.0Ah options

20A continuous discharge (360W), customizable

18650 cells, 5S1P / 5 cells, 800–1,000 cycles

UL94 V-0 flame-retardant housing, 0.5kg

20V – Universal Cordless Tools

For lawn mowers, weed eaters, chainsaws, blowers and trimmers, the UFO-KB440 pack delivers 3.0–6.0Ah (120–240Wh) on the 40V platform — a 10S2P configuration with 40A maximum continuous discharge (1440W) for extended outdoor sessions, interchangeable with original 40V garden tool batteries.

40V, 3.0Ah–6.0Ah options (120–240Wh)

40A continuous discharge (1440W), customizable

18650 cells, 10S2P / 20 cells, 42V full charge

1.4kg, custom color & labels for your brand

40V – Garden & Outdoor Tools

ModelNominal VoltageCapacityEnergyCell ArrayMax Continuous DischargeCycle LifeDimensions (L×W×H)Weight
UFO-BL14-314.4V4.5–9.0Ah64.8–129.6Wh4S3P / 12 cells40A (576W)800–1,00095×73×78mm0.83kg
UFO-CMCB201-118V (20V Max)1.5–3.0Ah27–54Wh5S1P / 5 cells20A (360W)800–1,000120×79×53mm0.5kg
UFO-KB44040V3.0–6.0Ah120–240Wh10S2P / 20 cells40A (1440W)800–1,0001.4kg


UFOPOWER cordless tool batteries are built with Grade-A 18650 lithium-ion cells on quality-controlled production lines, with capacity testing, internal resistance testing and voltage matching at every stage. Every pack integrates an intelligent BMS with overcharge, over-discharge, overcurrent and temperature protection, housed in a UL94 V-0 flame-retardant PC/ABS case with customizable color, labels and connectors. Customized 12V–48V pack solutions are available according to equipment voltage, capacity, size and operating environment requirements — from household drills that need lightweight design to industrial rotary hammers that need continuous output.

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