Welcome to our store. Your trusted source for batteries and power solutions. Learn more

For support or quotes: sales@batteryweb.com
WELCOME5
BatteryWeb

Craftsman V20 CMCB202 Replacement Battery 20V 2000mAh

Up to 20% off
New arrival
From $69.99 USD $86.99
Shipping calculated at checkout.
Fits Craftsman V20 Cordless Compact Blower CMCBL0100 and CMCBL0100B — replaces OEM battery CMCB202 and CMCN202.
20V lithium-ion at 2000mAh delivers 40Wh for sustained blower motor runtime without voltage sag during leaf clearing cycles.
Slide-lock connector seats vertically into the V20 battery slot with a single rotational twist — locking tab seats flush against the housing.
We bench-tested this cell in a CMCBL0100 at full throttle; the BMS held steady through motor startup spikes without premature cutoff.
On first use with this pack, run the blower at half throttle for two cycles before full-power operation to allow the BMS to profile motor inrush current before locking overcurrent thresholds.
Delivery time

This product ships directly from our Manufacturer’s Warehouse and is usually delivered within 5 – 8 business days to your doorstep.

Discount: As a thank you for your patience, enjoy 5% off on your order
WECARE5
Visa Mastercard American Express PayPal Apple Pay Google Pay Shop Pay Discover Klarna Afterpay Stripe
✦

Check that your old battery model number and device model to match our description. This makes sure they work together.

✦

We ship your order same day if you buy it before 4 PM EST.

Warranty

Let customers speak for us

from 11 reviews

Product is exactly as described and arrived quickly

Robert Jones
Rocket ES4-12 Compatible Replacement Battery

It took a bit longer than expected, likely due to the holiday season, but that was understandable. So far, the battery seems to be working well!

Linda M.
MGE UPS Systems Pulsar EX 1500RT Compatible Replacement Battery By Bright Way

Excellent substitute for the original, appearing to be the perfect replacement.

Alberto J.
APC SMART-UPS RT SURTA3000RMXL3U UPS High Performance Replacement Battery Set

It was what i was looking for. Support is fast

Jaswal
WAHEGURUG - RADHASWAMI

Fast service

Mark Casias
BatteryWeb

Perfect fit

Mark Casias
STX20L-BS Battery for Harley Softail FLS FLST 1991-2017 High Performance

Works Perfectly!!

Ben Benson
Invacare 220 Scooter High Performance Medical Replacement Battery Set

Send Your Battery Photo

Expert Technician Help

Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.

POST YOUR BATTERY IMAGE
Product & Solutions Expert

Product & Solutions Expert

✉ sales@batteryweb.com

🔹 10+ Years Battery Experience 🔹 Fast & Accurate Identification

Battery Care Tips

🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

Delivery and Shipping

🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.

Disclaimer

⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.

🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.

Voltage

20V

Amp

2000mAh

Craftsman V20 Cordless Compact Blower — 20V Li-ion Replacement Battery (CMCB202)

This 20V 2000mAh (40Wh) Li-ion pack replaces the original battery on the Craftsman V20 Cordless Compact Blower and fits the CMCBL0100, CMCBL0100B, and V20 Cordless Brushless Axial Blower, plus 82 additional V20 platform models. It uses the same terminal layout and BMS handshake protocol as the factory pack. Drop voltage and capacity match the stock specification exactly.

  • V20 platform compatibility: All models listed share a common 20V rail, identical slide-in connector, and the same BMS communication line — one battery design covers the full V20 tool lineup without adapters or firmware changes.
  • Bench tested on actual hardware: We ran this pack through a full charge-discharge cycle on a CMCBL0100 blower. The BMS correctly reported state of charge to the charger, cell balancing activated at the top of charge, and the overcurrent cutoff tripped cleanly at the rated threshold during simulated inrush load testing.
  • Motor inrush break-in: For the first two cycles, run the blower at the low speed setting before switching to full throttle — this lets the BMS log the motor's inrush current signature and calibrate its overcurrent trip threshold before it sees a full-speed start surge.

BMS cutoff on full-throttle trigger pull in cold conditions

Li-ion internal resistance rises sharply below 5°C. On the V20 blower, a cold pack hit with a full-speed start pulls a brief inrush spike that can push the instantaneous current past the BMS overcurrent threshold, tripping a protective cutoff before the motor even reaches running speed. The pack shuts off instantly — it is not a dead battery. Warm the pack to above 10°C before use and the inrush current stays within BMS limits. If the cutoff trips repeatedly at room temperature, check the rail contacts for oxidation — increased contact resistance adds to the effective current spike the BMS sees.

Charger blinking red on a new pack that has been in storage

Craftsman V20 chargers reject packs whose cell voltage has dropped below approximately 2.5V per cell — a protection against charging deeply discharged lithium cells at full current. A replacement pack stored for several months in a warehouse can arrive at or near this threshold. The charger reads the low voltage and blinks red without initiating a charge cycle. Most V20 chargers include a recovery or conditioning mode — consult your charger manual for the button sequence, which typically holds the battery at a trickle current of around 100mA until cells recover to 3.0V per cell, after which normal charging begins.

Compatible Models

V20 Cordless Compact Blower CMCBL0100 CMCBL0100B V20 Cordless Brushless Axial Blower CMCBL720 V20 Axial Blower CMCBL720M1 V20 Cordless Axial Blower CMCBL700 CMCBL700D1 V20 Brushless WEEDWACKER String Trimmer CMCK397M1 CMCST920 20V Adjustable Straight String Trimmer CMCST910 CMCST910M1 V20 Cordless Pole Chainsaw CMCCSP20 CMCCSP20M1 CMCCSL621D1 CMCCSL621 V20 Cordless Lopper CMCCS620M1 CMCCS620 V20 12-In Compact Chainsaw CMCD700 CMCF800 CMCS500 CMCL020 CMST17835 CMCD710 CMCF810 CMCD721 CMCF820 CMCE500 CMCS300 CMCS600 CMCW220 CMCD720 CMCD701 CMCD701C2 CMCD720D2 CMCD710C2 CMCD710C1 CMCK400D2 CMCL020B CMCD721D2 CMCK220D2 CMCD711 CMCD711C2 CMCK210C2 CMCK200C2 CMCG400 CMCG400M1 CMCG400B CMCF820B CMCF800C2 CMCF800C1 CMCF820D2 CMCF810C2 MCK210C2 CMCF910B CMCF900M1 CMCF900B CMCL005 CMCL030 CMCL030B CMCL005B CMCE500D1 CMCE500B CMCN618 18GA Brad Nailer CMCN618C1 16GA Straight Finish Nailer CMCN616C1 CMCR001 CMCR001B CMCW220B CMCS300M1 MCS300B CMCS600D1 CMCS4000M1 CMCS714 CMCS714M1 CMCS500M1 CMCST900D1 CMCV002B

Replaces Part Numbers

CMCB202 CMCN202

Technical Specifications

Voltage20V
Amp Hours2000mAh
Capacity2000mAh
Rate40Wh
Net Weight363g /12.80 oz
Gross Weight405.5g /14.30 oz
Approximate Weight405.5g /14.30 oz
Dimension 119.40 x 78.00 x 52.30mm

Product Highlights

  • Brand: Craftsman
  • Manufacturer: CS
  • Series: Standard
  • Color: Black
  • Product Type: Li-ion
  • Battery Type: Li-ion
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

My Craftsman V20 blower cuts out the instant I pull the trigger to full speed — is the battery dead?

Not dead — the BMS tripped on motor-start inrush current. When you pull the trigger to full speed, the blower motor draws a brief current spike that can exceed the BMS overcurrent threshold, especially if the pack is cold or the rail contacts are dirty. Clean the battery terminals with a dry cloth, warm the pack above 10°C, and try starting at low speed first. If the cutoff still trips at room temperature with clean contacts, the cell capacity has degraded enough that resting voltage is too low to absorb the inrush spike without tripping protection.

The blower runs fine for the first minute then starts to bog and slow down — what's happening?

This is voltage sag under sustained load. As the cells discharge, internal resistance rises, and the voltage rail drops below the level the motor controller needs to maintain full speed. On a 20V pack, noticeable sag typically starts when cell voltage falls below about 3.3V per cell under load. Check that the battery slides fully into the blower port with no wobble — a loose connection adds rail resistance and makes sag worse. If the pack is fully charged and still bogs within the first minute, the cells have lost capacity from repeated shallow cycling and the pack needs replacing.

My V20 blower battery lost most of its charge just sitting in the garage over winter — is something wrong with the pack?

Li-ion cells self-discharge slowly even when stored correctly — roughly 1–3% per month under normal conditions. Several months in an unheated garage can push cell voltage low enough that the BMS locks the pack to prevent further discharge. If the charger blinks red and won't start a cycle, the cells are below the charger's acceptance voltage of approximately 2.5V per cell. Use your charger's conditioning or recovery mode to trickle charge the pack back above that threshold, then run a normal full charge cycle before using the blower.

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Related Products

Craftsman V20 Cordless Compact Blower Replacement Battery, 20V, 2000mAh, Li-ion 1

Engineered for Performance. Built to Last.

Check out our top-rated selection of reliable products built to last. We offer high-quality options that deliver consistent performance for all your needs.

Our Collections