Features
- 4.0 Ah (80 Wh) lithium‑ion battery capacity for extended runtime
- Compact size and weight comparable to the 3.0 Ah compact battery
- 3‑LED fuel gauge for quick charge status visibility
- Compatible with 20V MAX tools and chargers
- Kit includes a charger
- 3‑year limited warranty (plus 1 year free service and 90‑day satisfaction guarantee)
Specifications
| Battery Capacity (Ah) | 4 |
| Battery Type | Lithium Ion |
| Battery Voltage | 20V MAX* |
| Charge Time (Min) | 45 |
| Color | Yellow, Black |
| Has Fuel Gauge | Yes |
| Is It A Set | Yes |
| Number Of Pieces | 2 |
| Included Items | (1) DCB240 20V MAX 4Ah Battery; (1) DCB1102 Charger |
| Product Height (In) | 9.125 |
| Product Length (In) | 9.938 |
| Product Width (In) | 3.875 |
| Product Weight (Lbs) | 2.21 |
| Product Weight (Oz) | 35.36 |
| Warranty | 3 Year Limited Warranty; 1 Year Free Service; 90 Days Satisfaction Guaranteed |
Related Tools
Compact 20V lithium‑ion battery kit containing a 4.0 Ah compact battery and a compatible charger. The battery offers increased run time versus the 3.0 Ah compact battery while maintaining similar size and weight. It includes a 3‑LED charge indicator for state‑of‑charge visibility and is compatible with 20V MAX tools and chargers. The kit includes a limited warranty.
Project Ideas
Business
Pop‑Up Phone Charging
Offer pay‑per‑charge at markets and events using a 20V MAX USB power source accessory on the 4Ah battery. The 3‑LED fuel gauge helps manage inventory and the 45‑minute charger keeps turnaround fast. Upsell cable rentals and bundle discounts for vendors.
Battery Work‑Light Rentals
Rent out 20V MAX cordless work lights with 4Ah batteries for weekend DIYers and contractors. Provide charged spares and a swap‑out service. Market the benefits—no cords, instant setup, extended runtime—and charge tiered rates for day, weekend, and weekly rentals.
Custom Charging Stations
Design and sell wall or van‑mounted organizers tailored to 20V MAX chargers and batteries. Include cable management, labeled bays, and ventilation. Offer branded versions for small contractors, and upsell installation plus a maintenance check to keep fleets organized.
Cordless‑Only Handyman
Position a clean, quiet, cord‑free service for furniture assembly, shelving, and minor installs using 20V MAX tools powered by the 4Ah pack. Promote faster setup and safer, trip‑free jobsites. Offer fixed‑price packages and same‑day availability to stand out.
Battery Fleet Care Service
Provide a subscription to rotate, test, clean contacts, and recharge clients’ 20V MAX batteries. Track warranty windows, swap underperforming packs, and deliver weekly charge logs. Ideal for realtors, maintenance teams, and small GC crews that can’t babysit charging.
Creative
Snap‑In Camp Lantern
Build a rugged lantern housing (wood or 3D‑printed) that accepts any 20V MAX LED work light head and the 4Ah battery. Add a frosted diffuser panel and carry handle. The compact 80 Wh pack delivers long runtimes, and the 3‑LED fuel gauge lets you check charge at a glance for hikes, power outages, or backyard evenings.
Cordless Mini Fan Box
Create a portable comfort fan by mounting a 20V MAX jobsite fan into a plywood or aluminum enclosure with a battery cubby, fold‑flat stand, and accessory hooks. Perfect for drying finishes, cooling a workspace, or camping—quickly swap the 4Ah battery and use the 45‑minute charger to keep air moving all day.
Wall Charging Dock Organizer
Craft a clean, wall‑mounted station for the included charger with slots for multiple batteries, cord channels, and a small lip that leaves the fuel gauge visible. Add a catch‑tray for bits and labels for charge rotation. The compact footprint fits in tight shops and makes battery management painless.
Mobile Photo/Video Light Stand
Build a lightweight telescoping stand with quick‑clamp mounts for a 20V MAX jobsite light, plus DIY barn doors and a softbox ring. You get flicker‑free, cord‑free lighting in parks, studios, or events, and the 4Ah pack provides dependable runtime without hunting for outlets.
Maker Fair Power Crate
Assemble a foam‑lined crate that holds the 4Ah battery, charger, a 20V MAX USB power source accessory, and DC LED strip reels. Include cable pass‑throughs and ventilation for safe charging. It becomes a grab‑and‑go kit to light booths, charge devices, and power small 20V tools at pop‑ups.