Replacement battery for Tsx17. Specifications: 5400mAh, 3.6V, Li-SOCl2. Compatible with: Tsx17, NUM 1020, NUM 1060, NUM 1040. Replaces: Schneider 2XSL360/131, Schneider 2 X SL360/131. SCHNEIDER replacement battery designed for Equipment/Survey/Test Charger devices. Ensures your device stays powered through regular use.