Pulsar PL79181 APS5 Battery Pack 3.7V Li-Ion 4900 mAh Fits Axion XQ, Axion XQ LRF, Proton FXQ and Proton XQ Charges w/ USB $70.40
Pulsar PL79161 APS 3 Battery Pack 3.6V Li-Ion 3200 mAh Fits Axion XM/Thermion/Digex/Merger LRF Charges w/ USB $99.97