# TLDR Review: Kobalt 40V Battery

*Published: 2025-02-27 | Updated: 2025-02-27 | Source: https://shopsavvy.com/reviews-tldr/kobalt-40v-battery*

---

## Product: Kobalt 40V Battery
**Brand:** Kobalts

## Pros
- Heavy-duty construction ensures durability and performance.
- Functions effectively both as a charger and a battery.
- Quick charging time; fully charges to 100% in just 1.25 hours.
- Fits the chain saw perfectly and functions effectively.
- Charger operates without any issues.
- Offers excellent value for the price.
- Performance is reliable and efficient.

## Cons
- Battery life is insufficient for mowing larger areas like a 1/4 acre.
- Struggles in covering a 3000 sq. ft. lawn without leaving patches uncut.
- Users may need multiple batteries for a full mowing session, which increases costs.
- Does not deliver on advertised capabilities for larger lawns.

## Bottom Line

The Kobalt 40-Volt 4-Amps 4.0ah Rechargeable Lithium Ion Cordless Power Equipment Battery is a sturdy and efficient choice for smaller tasks and compatible equipment like the chain saw. However, if you're planning to mow larger areas beyond a 1/4 acre, you might find its performance lacking, possibly requiring additional battery purchases that could elevate costs significantly. For those with smaller lawns or specific power equipment needs, it provides good value and reliability.

## Pros vs Cons at a Glance

| Pros | Cons |
|------|------|
| Heavy-duty construction ensures durability and performance. | Battery life is insufficient for mowing larger areas like a 1/4 acre. |
| Functions effectively both as a charger and a battery. | Struggles in covering a 3000 sq. ft. lawn without leaving patches uncut. |
| Quick charging time; fully charges to 100% in just 1.25 hours. | Users may need multiple batteries for a full mowing session, which increases costs. |
| Fits the chain saw perfectly and functions effectively. | Does not deliver on advertised capabilities for larger lawns. |
| Charger operates without any issues. |  |
| Offers excellent value for the price. |  |
| Performance is reliable and efficient. |  |

## Current Prices

| Retailer | Price | Availability |
|----------|-------|-------------|
| Carkart.com | $144.31  | Check |
| Walmart | $159.00  | Check |
| Sears | $186.24  | Check |

---

*About this review: We pulled together findings from professional and user reviews, and cross-referenced them with ShopSavvy's pricing data from thousands of retailers to give you the short version.*