in 36 offers
The lowest price for RYOBI RB1840X 18V One Plus Lithium Plus 4.0Ah Compact Battery right now is $29.00 at Cash Converters, compared across 9 retailers.
The all-time low was $15.00 on 20 Sept 2026 — today's price is 93% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 11 Oct 2026.
RYOBI RB1840X 18V One Plus Lithium Plus 4.0Ah Compact Battery
Last updated at 11/10/2026 21:08:23
Ryobi Rb1820c 18V One+ 2.0Ah Compact Battery Cordless Tool Battery
Delivery $14.50
5.0ah 18v Battery For One+ Plus Lithium-ion P108 P105 P104 P102 P107
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
RYOBI 18V 8.0Ah Lithium battery For BSL18 Series Fit Cordless Drill Driver Circular Saw For Backyard
Free delivery
Ryobi ONE+ RB1815C 18V 1.5Ah Cordless Li-ion Battery
Delivery between 14–22 Oct $10
Ryobi One+ 18V 2.0Ah Compact Battery
Delivery $12
RYOBI 18V 4.0Ah ONE+ Lithium Battery RB1840C (LN) - Grey, 18V, 4.0Ah, Lithium-ion, Cordless, Tool Accessory
Delivery $20
Ryobi P102 18 Volt One Plus Compact Lithium Ion Battery Pack Bulk Packaged
Delivery $49.20
Ryobi One+ 18 V 2.0 Ah Lithium Ion Battery (Pbp006)
Delivery between 18–21 Oct $29
4-Pack Ryobi 18V Battery 8.0AH Lithium for P108 ONE+ RB18L50 RB18L40 For RYOBI One+ Power Tools
Delivery between Tue – Fri $10.50
| Power Source | Cordless |
| Power Voltage | 18V |
| Battery Voltage | 18 V |
| Battery Type | Lithium+, Lithium+ battery, Lithium+ battery technology |
| Battery Capacity | 4.0 Ah |
Ryobi Rb1820c 18V One+ 2.0Ah Compact Battery Cordless Tool Battery
Delivery $14.50
5.0ah 18v Battery For One+ Plus Lithium-ion P108 P105 P104 P102 P107
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
RYOBI 18V 8.0Ah Lithium battery For BSL18 Series Fit Cordless Drill Driver Circular Saw For Backyard
Free delivery
Ryobi ONE+ RB1815C 18V 1.5Ah Cordless Li-ion Battery
Delivery between 14–22 Oct $10
Ryobi One+ 18V 2.0Ah Compact Battery
Delivery $12
| Power Source | Cordless |
| Power Voltage | 18V |
| Battery Voltage | 18 V |
| Battery Type | Lithium+, Lithium+ battery, Lithium+ battery technology |
| Battery Capacity | 4.0 Ah |
