SAFETY:Using High magnification Brand and New battery,using the latest technology,can prevent overcharging,discharging and overheating,safe and durable,no memory effect,fully compatible with the original battery pack. TRUST WORTHY RELIABILITY:no memory effect, low self-discharge rate (1% per month). Patented battery balance technology, built-in over-protection circuit to provide safe and reliable use technology to protect your use. replace Milwaukee original battery/tools: 0511-21, 0512-21, 0512-25, 0513-20, 0513-21, 0514-20, 0514-24, 0514-52, 0516-20, 0516-22, 0516-52, 0 9081-20, 9081-22, 9082-20, 9082-22, 9083-20, 9083-22, LokTor P 14.4 TX, LokTor P 14.4 TXC, LokTor PDD 14.4X, LokTor S 14.4 TX, PLD 14.4 X, PN 14.4 Power Plus, PPS 14.4 Power Plus, PSG 14.4 Power Plus, PSM 14.4 Power PlusBBM 14 STX, BBS 14 KX RAPTOR, BBS 14 X, BBS 14 X RAPTOR PERFORMANCE:Using A-class batteries,non-previous generation batteries,under the same capacity,the running time is stronger and more durable,Quality battery cells with CE and UL approval Guarantee:Reject fake labels,strictly follow the capacity label production,up to 12 months warranty,1 month worry-free refund.