PMNN4023CR Original Walkie Talkie Battery For Motorola GP328PLUS GP338PLUS GP388 EX500 PTX760PLUS PTX700PLUS GP344 EX560 EX600 - AliExpress
Motorola GP388 Accessories - Radiotronics UK
Cameron Sino 1800mAh Battery for Motorola EX500, EX560, EX600, GL2000, GP329, GP344, GP388, GP644, GP688, PTX700
Amazon.co.jp: Rowa Japan JMNN4024 Compatible Battery for MOTOROLA EX500 EX600 GL2000 GP688 PSE Standard Inspection, High Capacity Portable Radio, Set of 2 : Electronics
GP388 Battery - GP388 Batteries - Spare Module Type Motorola GP388 Replacement Lithium Ion (Li-Ion) Two Way Radio Battery