RYOBI 36 V MAX POWER 4.0 Ah Lithium + Battery BPL3640D2 (Compatible with All RYOBI 36 V MAX POWER Garden Tools, Battery Charge Level Indicator, Single Cell Monitoring, Overload Protection): Amazon.co.uk: DIY
Ryobi BPL3650D 36V 5,0Ah Li-Ionen Akku (5133002166) for sale online | eBay
Akku Ryobi RY36B50B 36V Max Power 5Ah | bauhaus.fi