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  2. sku: 11221102391018751
  3. POWER SHARE BL2145

POWER SHARE BL2145 Lithium Ion Battery Cordless Tools Pack 21V 4500MAH

Bl2145 Power Share 21v 4500mah Replacement Lithium-ion Battery For Cordless Tools 2 Pack

( Brand: Power Share ), ( Manufacturer Part Number: BL2145 ), ( Part Type: Tool Battery ), ( Compatible Models: , Bl1830b, Bl1840, Bl1840b, Bl1850, Bl1860b ), ( Battery Technology: Lithium-ion ), ( Color: Black ), ( Item Length: 4.7 ), ( Unit Type: Unit ), ( Battery Capacity: 4.5ah/4500mah ), ( Voltage: 21v ), ( Item Height: 3.5 ), ( Item Width: 3.0 ), ( Item Weight: 29oz )

Review POWER SHARE 21v 4500mah Replacement Lithium ion Battery Cordless Tools Pack

The Power Share BL2145 21V 4500mAh Lithium-ion Battery is a high-performance, rechargeable power source designed for use with cordless tools. This battery is part of the DEWALT Power Share 20V Max System, which allows users to share batteries across a wide range of compatible DEWALT tools, making it a versatile and cost-effective solution for any jobsite.

The BL2145 battery boasts a capacity of 4500mAh, which translates to longer run times and increased productivity. With a voltage of 21V, it delivers the power required to tackle even the most demanding tasks with ease. This battery features a Fuel Gauge, allowing users to quickly and accurately check the charge level, ensuring they always know when it's time to recharge.

The BL2145 is engineered for durability, with a compact, lightweight design that makes it easy to transport between jobsites. It's constructed with advanced materials that provide protection against extreme temperatures and drop impacts. The battery also features a conveniently located fuel gauge, which is easily accessible from the outside of the pack.

This Lithium-ion battery charges quickly, with an approximate charge time of just 30 minutes using a DEWALT Fast Charger (sold separately). It's also compatible with all DEWALT 20V Max and FlexVolt Max chargers, providing users with flexibility and convenience.

The Power Share BL2145 21V 4500mAh Lithium-ion Battery is a must-have for any professional or DIY enthusiast looking for a reliable, high-capacity power source for their cordless tools. Its compatibility with a wide range of DEWALT tools, long run time, and fast charging capabilities make it an essential addition to any jobsite or toolbox.

The PowerShare BL2145 21V 4500mAh Lithium-Ion Battery is a popular choice for cordless power tool users due to its high capacity and compatibility with a wide range of tools from various brands. Here are some pros and cons that can help you make an informed decision about purchasing this battery:

Pros:

1. High Capacity: With a 4500mAh capacity, this battery can deliver longer run times compared to standard batteries, allowing you to complete more tasks before recharging.

2. Compatibility: This battery is compatible with a wide range of cordless power tools from various brands, including DEWALT, Porter-Cable, and Black Decker.

3. Fuel Gauge: The battery features a fuel gauge that displays the remaining charge level, allowing you to keep track of the battery's charge status.

4. Overcharge Protection: The battery has built-in overcharge protection, which prevents the battery from getting overcharged, extending its lifespan.

5. Interchangeable: You can use this battery with multiple tools, making it a cost-effective solution for those who own multiple cordless power tools.

Cons:

1. Weight: At 2.2 pounds, this battery is heavier than some standard batteries, which can make it more difficult to use for extended periods.

2. Cost: This battery is more expensive than standard batteries, which can be a deterrent for some users.

3. Charging Time: It takes longer to charge this battery compared to standard batteries, which can be inconvenient for some users.

In conclusion, the PowerShare BL2145 21V 4500mAh Lithium-Ion Battery offers several advantages, including high capacity, compatibility with a wide range of tools, fuel gauge, overcharge protection, and interchangeability. However, it also has some disadvantages, such as its weight, cost, and longer charging time. Ultimately, if you frequently use cordless power tools and require longer run times, this battery may be a worthwhile investment, despite its higher cost and longer charging time. If you have limited budget or only use your tools for short tasks, a standard battery may be a more cost-effective solution.

Details:

Comes with 2 21 volt batteries and one charger US Shipping only have been tested fully functional. With a total capacity of 9000mAh, these black batteries are lightweight at 29oz and feature compact design with dimensions 4.7 in length , 3.5 height , 3.0 width . The 21V 4500mAh Replacement Lithium-ion Battery for Cordless Power Tools 2 Pack by Share is compatible with model's such as BL1830, BL1850, and BL1860B.

specifications pobatcha:

  • brand: Power Share
  • mpn: Bl2145
  • part type: Tool Battery
  • compatible models: , Bl1830b, Bl1840, Bl1840b, Bl1850, Bl1860b
  • battery technology: Lithium-ion
  • color: Black
  • item length: 4.7
  • unit type: Unit
  • battery capacity: 4.5ah/4500mah
  • voltage: 21v
  • item height: 3.5
  • item width: 3.0
  • item weight: 29oz

returns pobatcha:

  • paid by: Buyer
  • time: 30 Days
  • policy: Returns Accepted
  • method: Money back

payments pobatcha:

  • other
  • wallet: Paypal
  • credit card: Diners-club

offer pobatcha:

  • options: Ship-to-home
  • quantity: 1
  • sold: 0
  • started: April 5, 2026
  • availability: In Stock

seller pobatcha:

  • # reviews: 775
  • rating: 100.0%
  • city: Coppell, Texas

shipping pobatcha:

  • carrier: USPS
  • class: Standard
  • service: USPS Ground Advantage
  • transit: 4-9 Days
  • cost: $0.00
  • type: Calculated

general pobatcha:

  • Tools Workshop Equipment > Power Tool Air Tool Accessories > Power Tool Batteries
  • condition: New
part type: tool battery, compatible models: , bl1830b, bl1840, bl1840b, bl1850, bl1860b, battery technology: lithium-ion, item length: 4.7, unit type: unit, battery capacity: 4.5ah/4500mah, voltage: 21v, item height: 3.5, item width: 3.0, item weight: 29oz,
category: home & garden > tools workshop equipment > power tool air accessories > power tool batteries, color: black, sku: 11221102391018751,
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