AA 6000 mAh / 3.6 V pack
- Form
- AA 3-cell pack
- Nominal V
- 3.6 V (3 × 1.2 V)
- Capacity
- 6000 mAh
AA cells, 6000 mAh, 3-cell 3.6 V pack, common in backup and instrument power.
Product Line · Battery
NiMH and Lithium-Polymer. From stock packs to industry-custom.
K WIN's battery product line spans Nickel-Metal Hydride (NiMH) and Lithium-Polymer (LiPo) chemistries, with the LiPo line manufactured with KINGPOWER. We carry stock and take industry-custom builds.
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Nickel-Metal Hydride (NiMH)
High cycle life, intrinsically safe, mid-density applications
NiMH is a mature, intrinsically safe chemistry with high tolerance to over-charge and over-discharge and no thermal-runaway risk. It suits applications that prioritize safety and cycle life over peak energy density: backup power, medical equipment, wireless microphones, and select toys and tools.
- Energy density
- 60–120 Wh/kg
- Cycle life
- 500–2000 cycles
- Operating temp.
- −20°C to +60°C
- Self-discharge
- 15–30% / month (LSD type <5% / month)
- Safety
- No thermal runaway, no BMS required
- Form factor
- AA / AAA / Sub-C standard cells
AAA 800 mAh / 1.2 V cell
- Form
- AAA single cell
- Nominal V
- 1.2 V
- Capacity
- 800 mAh
AAA single cell, 800 mAh, 1.2 V, for low-power wireless and consumer use.
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Lithium-Polymer (LiPo)
High safety, high capacity, strong value
Lithium-Polymer leads NiMH on energy density, form-factor flexibility, and weight, and is the mainstream choice for tablets, laptops, and digital consumer products. The line is manufactured with KINGPOWER, characterized by high safety, good cycle performance, and long service life, in cylindrical, prismatic, and pouch formats, with industry-custom builds available.
- Energy density
- 150–250 Wh/kg
- Cycle life
- 300–800 cycles
- Operating temp.
- −10°C to +60°C
- Self-discharge
- 2–5% / month
- Safety
- Integrated protection (BMS) required
- Form factor
- Cylindrical / prismatic / pouch, highly formable
13600 / 900 mAh cylindrical
- Form
- Cylindrical
- Nominal V
- 3.7 V
- Capacity
- 900 mAh
- Dimensions
- Ø 13 × 60 mm
Cylindrical 13×60mm, 900 mAh, for wearables and compact IoT.
18350 / 900 mAh cylindrical
- Form
- Cylindrical
- Nominal V
- 3.7 V
- Capacity
- 900 mAh
- Dimensions
- Ø 18 × 35 mm
Cylindrical 18×35mm, 900 mAh, for handheld terminals and sensor nodes.
18490 / 1400 mAh cylindrical
- Form
- Cylindrical
- Nominal V
- 3.7 V
- Capacity
- 1400 mAh
- Dimensions
- Ø 18 × 49 mm
Cylindrical 18×49mm, 1400 mAh, for mid-energy industrial devices.
853085 / 4000 mAh prismatic
- Form
- Prismatic
- Nominal V
- 3.7 V
- Capacity
- 4000 mAh
- Dimensions
- 8.5 × 30 × 85 mm
Prismatic 8.5×30×85mm, 4000 mAh, for tablets and portable power.
505060P / 2000 mAh pack
- Form
- Pouch pack (2-cell)
- Nominal V
- 7.4 V (2 × 3.7 V)
- Capacity
- 2000 mAh / 14.8 Wh
7.4 V two-cell pouch pack, 2000 mAh / 14.8 Wh, type 2ICP12/51/64.
CLPS25-S / 4000 mAh pack
- Form
- Pouch pack
- Nominal V
- 3.7 V
- Capacity
- 4000 mAh / 14.8 Wh
3.7 V pouch pack, 4000 mAh / 14.8 Wh, with lead-out ribbon.
Chemistry comparison
NiMH vs LiPo
Two chemistries, two profiles. Energy density, cycle life, safety, form flexibility, and cost decide which one fits your application.
Energy density
- Nickel-Metal Hydride (NiMH)
- Mid (60–120 Wh/kg)
- Lithium-Polymer (LiPo)
- High (150–250 Wh/kg)
Cycle life
- Nickel-Metal Hydride (NiMH)
- High (500–2000 cycles)
- Lithium-Polymer (LiPo)
- Mid (300–800 cycles)
Safety
- Nickel-Metal Hydride (NiMH)
- Intrinsically safe, no thermal runaway
- Lithium-Polymer (LiPo)
- BMS required, over-charge / discharge sensitive
Form factor
- Nickel-Metal Hydride (NiMH)
- Mostly standard AA / AAA / Sub-C
- Lithium-Polymer (LiPo)
- Cylindrical, prismatic, pouch — highly formable
Self-discharge
- Nickel-Metal Hydride (NiMH)
- Higher (15–30% / mo, LSD type <5%)
- Lithium-Polymer (LiPo)
- Low (2–5% / mo)
Typical fit
- Nickel-Metal Hydride (NiMH)
- Backup power, instruments, low-drain devices
- Lithium-Polymer (LiPo)
- Tablets, laptops, digital products, industry-custom
Axis
Nickel-Metal Hydride (NiMH)
Lithium-Polymer (LiPo)
Energy density
Mid (60–120 Wh/kg)
High (150–250 Wh/kg)
Cycle life
High (500–2000 cycles)
Mid (300–800 cycles)
Safety
Intrinsically safe, no thermal runaway
BMS required, over-charge / discharge sensitive
Form factor
Mostly standard AA / AAA / Sub-C
Cylindrical, prismatic, pouch — highly formable
Self-discharge
Higher (15–30% / mo, LSD type <5%)
Low (2–5% / mo)
Typical fit
Backup power, instruments, low-drain devices
Tablets, laptops, digital products, industry-custom
Manufacturing partner
KINGPOWER
Lithium-Polymer manufacturing partner
K WIN's Lithium-Polymer line is manufactured in partnership with KINGPOWER, which operates its own cell and pack plants, holds National High-Tech Enterprise accreditation, runs the Guangdong Provincial Engineering Research Center for eco-friendly lithium batteries, and maintains joint research and graduate-training bases with Wuhan University.
- Polymer cell capacity
- 400,000 cells / day
- Pack assembly capacity
- 50,000 packs / day
- Cell plant + pack plant
- 2 in-house plants
Industry-custom
Industry-custom packs
Beyond stock cells, the other half of the battery line is industry-custom: packs built to a device's voltage, capacity, and enclosure on the KINGPOWER partner line. Below are examples of custom packs.
Pouch polymer cells in a range of sizes and capacities. 
Custom multi-cell pack with balance-charging harness. 
Custom packs for handheld terminal equipment.
Typical applications
- 01Tablets and laptops
- 02Digital consumer products
- 03Industry-custom packs
- 04Power and energy storage
Need a specific capacity, form factor, or voltage? Tell us.
Beyond the in-stock packs, industry-custom builds are available.