
This adapter lets you use existing DM18D-compatible batteries on other tool platforms instead of buying a separate battery system, which saves money if you've already got batteries on hand. It's $2.65 off the list price at Walmart, bringing it to $12.34. Buy Now at Walmart
- Powers 18V Dewalt tools with 20V lithium batteries
- Converts 20V battery output to 18V compatible power
- Broad compatibility with extensive range of 18V tools
- Includes 5V/2.1A USB port for device charging
- Replaces legacy DC9096 and DE9096 battery models

Anyone charging an EV at home without a dedicated charging station on hand benefits from the 25-foot reach and NACS connector, and switching between 240V and 120V outlets means you're not stuck if only a standard plug is available. Buy Now at Home Depot

Handy if you drive a Tesla but sometimes need to charge at J1772 stations, since it lets you plug into the more common public charging network instead of hunting for Tesla-specific chargers; it's currently priced at its $140 list, so no discount right now. Buy Now at Best Buy
- Charges J1772 EVs with Tesla charging stations
- Supports 48A current for fast charging
- Compatible with 240V power systems
- Compact portable design for easy storage
- Durable construction for reliable daily use

This compact jump starter is worth keeping in your trunk if you've ever been stranded with a dead battery, since it can restart your car without needing another vehicle nearby, and it's currently $16 off the list price at Walmart. Buy Now at Walmart
- 6000A peak current starts gas and 12.0L diesel engines
- Full recharge in 2 hours
- Rugged waterproof dustproof and shockproof construction
- USB-C dual-mode fast charging for mobile devices
- 10 smart protection systems for safe operation

These rechargeable batteries handle their own charge cycles individually, so mismatched charge levels across batteries won't slow down the fastest ones, useful if you go through a lot of AA/AAA batteries for household electronics. At $34.73, it's about $2 off the $36.70 list price. Buy Now at Amazon
- Charge 8 AA or AAA batteries simultaneously
- Full charge in 3 to 5 hours
- Individual cell charging for optimal performance
- Smart technology automatically stops at peak capacity
- 8 LED indicators for real-time charge status

Anyone with a worn-out or missing charger for their Razor Hovertrax will find this a straightforward replacement without having to track down the original manufacturer part. Buy Now at Newegg
- 29.4V output for hoverboard charging
- Compatible with Razor Hovertrax smart balancing boards
- Supports 25.2V Li-ion battery packs
- Brand: ABLEGRID
- Model: 29.4V AC/DC Adapter

A straightforward option for replacing a lost or failing laptop power adapter, particularly if you need a 135W output and want to avoid paying manufacturer prices for an OEM replacement. Buy Now at Newegg
- 135W high-performance power output
- Compatible with multiple Acer Nitro and V15 models
- Reliable AC/DC power supply
- Ensures stable battery charging
- Model: Yustda 135W

Handy for anyone who's tired of burning through AAA batteries in their Xbox controllers, since this pack lets you swap in a fresh charge without digging through a drawer for spares. It's $14.79 right now, $10.20 off the $24.99 list price. Buy Now at Walmart
- Endless playtime with 11040mAh battery capacity